MAVEN SWEA Sample PDS4 Labels
Version 1.0
14 July 2016

Introduction
============
This document contains sample PDS label files for each of the different data file
types archive by the MAVEN SWEA instrument. This includes:

   A. Survey 3D Sample Label
   B. Archive 3D Sample Label
   C. Survey Pitch Angle Distribution Sample Label
   D. Archive Pitch Angle Distribution Sample Label
   E. Survey Omnidirectional Energy Spectra Sample Label
   F. Archive Omnidirectional Energy Spectra Sample Label

Sample XML Labels
=================

A. Survey 3D Sample Label

This sample label is from the MAVEN SWEA Survey Rate 3D Electron Distributions 
Data Collection (LID=urn:nasa:pds:maven.swea.calibrated:data.svy_3d). The 
sample data product label is for the date 2016-02-08.

<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="http://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1400.sch" 
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/alt/v1/PDS4_ALT_1000.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/particle/v1/PDS4_PARTICLE_1100.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/mvn/v1/PDS4_MVN_1020.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<Product_Observational
   xmlns="http://pds.nasa.gov/pds4/pds/v1"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:alt="http://pds.nasa.gov/pds4/alt/v1"
   xmlns:particle="http://pds.nasa.gov/pds4/particle/v1"
   xmlns:mvn="http://pds.nasa.gov/pds4/mission/mvn/v1"
   xsi:schemaLocation="
      http://pds.nasa.gov/pds4/pds/v1
      http://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1400.xsd

      http://pds.nasa.gov/pds4/alt/v1
      http://pds.nasa.gov/pds4/alt/v1/PDS4_ALT_1000.xsd

      http://pds.nasa.gov/pds4/particle/v1
      http://pds.nasa.gov/pds4/particle/v1/PDS4_PARTICLE_1100.xsd

      http://pds.nasa.gov/pds4/mission/mvn/v1
      http://pds.nasa.gov/pds4/mvn/v1/PDS4_MVN_1020.xsd
 ">
       <Identification_Area>
             <logical_identifier>urn:nasa:pds:maven.swea.calibrated:data.svy_3d:mvn_swe_l2_svy3d_20160208</logical_identifier>
             <version_id>1.0</version_id>
             <title>MAVEN SWEA Survey Rate 3D Electron Distributions for 2016-02-08</title>
             <information_model_version>1.4.0.0</information_model_version>
             <product_class>Product_Observational</product_class>
             <Citation_Information>
                   <author_list>Mitchell, D. L.</author_list>
                   <publication_year>2016</publication_year>
                   <description>
            MAVEN SWEA electron energy/angle (3D) distributions in units of differential energy flux (eV/cm**2 sec ster eV) at the MAVEN survey telemetry rate for 2016-02-08
         </description>
            </Citation_Information>
             <Modification_History>
                   <Modification_Detail>
                         <modification_date>2016-05-16</modification_date>
                         <version_id>1.0</version_id>
                         <description>
               Intial Version
            </description>
                  </Modification_Detail>
            </Modification_History>
      </Identification_Area>
       <Observation_Area>
             <Time_Coordinates>
                   <start_date_time>2016-02-08T00:00:02.595Z</start_date_time>
                   <stop_date_time>2016-02-08T23:59:46.837Z</stop_date_time>
            </Time_Coordinates>
             <Primary_Result_Summary>
                   <purpose>Science</purpose>
                   <processing_level>Calibrated</processing_level>
                   <Science_Facets>
                         <domain>Magnetosphere</domain>
                         <discipline_name>Particles</discipline_name>
                         <facet1>Electrons</facet1>
                         <facet2>Solar Energetic</facet2>
                  </Science_Facets>
            </Primary_Result_Summary>
             <Investigation_Area>
                   <name>Mars Atmosphere and Volatile EvolutioN Mission</name>
                   <type>Mission</type>
                   <Internal_Reference>
                         <lid_reference>urn:nasa:pds:context:investigation:mission.maven</lid_reference>
                         <reference_type>data_to_investigation</reference_type>
                  </Internal_Reference>
            </Investigation_Area>
             <Observing_System>
                   <Observing_System_Component>
                         <name>MAVEN</name>
                         <type>Spacecraft</type>
                         <Internal_Reference>
                               <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.maven</lid_reference>
                               <reference_type>is_instrument_host</reference_type>
                        </Internal_Reference>
                  </Observing_System_Component>
                   <Observing_System_Component>
                         <name>Solar Wind Electron Analyzer</name>
                         <type>Instrument</type>
                         <Internal_Reference>
                               <lid_reference>urn:nasa:pds:context:instrument:swea.maven</lid_reference>
                               <reference_type>is_instrument</reference_type>
                        </Internal_Reference>
                  </Observing_System_Component>
            </Observing_System>
             <Target_Identification>
                   <name>Mars</name>
                   <type>Planet</type>
                   <Internal_Reference>
                         <lid_reference>urn:nasa:pds:context:target:planet.mars</lid_reference>
                         <reference_type>data_to_target</reference_type>
                  </Internal_Reference>
            </Target_Identification>
             <Mission_Area>
                   <MAVEN xmlns="http://pds.nasa.gov/pds4/mvn/v1">
                         <mission_phase_name>EM-1</mission_phase_name>
                         <spacecraft_clock_start_count>3.3302875594797547E13</spacecraft_clock_start_count>
                         <spacecraft_clock_stop_count>3.330853686763909E13</spacecraft_clock_stop_count>
                         <mission_event_time_start_count>5.081615565566956E8</mission_event_time_start_count>
                         <mission_event_time_stop_count>5.082479397498108E8</mission_event_time_stop_count>
                         <Parameter>
                               <name>geom_factor</name>
                               <description>Full sensor geometric factor (per anode) at 1.4 keV</description>
                               <value>2.4725273E-4</value>
                        </Parameter>
                         <Parameter>
                               <name>accum_time</name>
                               <description>Accumulation time</description>
                               <value>0.0043526785</value>
                        </Parameter>
                         <Parameter>
                               <name>num_dists</name>
                               <description>Number of distributions in file</description>
                               <value>5400</value>
                        </Parameter>
                  </MAVEN>
            </Mission_Area>
             <Discipline_Area>
                   <Particle_Observation xmlns="http://pds.nasa.gov/pds4/particle/v1">
                         <name>counts</name>
                         <description>Raw Instrument Counts</description>
                         <Primary_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>counts</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_observation_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Primary_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>1</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>2</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>azim</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>3</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>energy</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>4</axis_number>
                        </Axis_Values>
                         <Face_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_face_values</local_reference_type>
                              </Local_Internal_Reference>
                               <Face_Plane>
                                     <face_axis>2</face_axis>
                                     <face_axis>4</face_axis>
                              </Face_Plane>
                        </Face_Values>
                  </Particle_Observation>   
                   <Particle_Observation xmlns="http://pds.nasa.gov/pds4/particle/v1">
                         <name>diff_en_fluxes</name>
                         <description>Calibrated differential energy flux</description>
                         <Primary_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>diff_en_fluxes</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_observation_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Primary_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>1</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>2</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>azim</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>3</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>energy</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>4</axis_number>
                        </Axis_Values>
                         <Face_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_face_values</local_reference_type>
                              </Local_Internal_Reference>
                               <Face_Plane>
                                     <face_axis>2</face_axis>
                                     <face_axis>4</face_axis>
                              </Face_Plane>
                        </Face_Values>
                  </Particle_Observation>   
                   <Alternate_Values xmlns="http://pds.nasa.gov/pds4/alt/v1">
                         <name>time values</name>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>time_met</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>time_unix</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                  </Alternate_Values>
                   <Alternate_Values xmlns="http://pds.nasa.gov/pds4/alt/v1">
                         <name>elevation values</name>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>g_elev</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                  </Alternate_Values>
            </Discipline_Area>
      </Observation_Area>
       <Reference_List>
             <Internal_Reference>
                   <lidvid_reference>urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0011.tls::1.0</lidvid_reference>
                   <reference_type>data_to_spice_kernel</reference_type>
                   <comment>
            This data file was processed using the SPICE leapsecond kernel: naif0011.tls.
         </comment>
            </Internal_Reference>
             <Internal_Reference>
                   <lidvid_reference>urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00027.tsc::1.0</lidvid_reference>
                   <reference_type>data_to_spice_kernel</reference_type>
                   <comment>
            This data file was processed using the SPICE MAVEN SCLK kernel
            MVN_SCLKSCET.00026.tsc. The clock correlation provided by this
            version is identical to the correlation provided by the latest
            archived kernel through 2016-02-12T14:58:56.379 (5.0856120456300E+08
            TDT). After that time the spacecraft clock drift rate in this SCLK 
            kernel has been predicted and, when used, resulted in timing errors
            relative to the latest archive SCLK kernel.
         </comment>
            </Internal_Reference>
      </Reference_List>
       <File_Area_Observational>
             <File>
                   <file_name>mvn_swe_l2_svy3d_20160208_v03_r03.cdf</file_name>
                   <creation_date_time>2016-05-16T08:24:18</creation_date_time>
                   <file_size unit="byte">265602381</file_size>
                   <md5_checksum>1f08a24b58a72735bb41be7cc85a5a05</md5_checksum>
            </File>
             <Header>
                   <name>CDF Header</name>
                   <offset unit="byte">0</offset>
                   <object_length unit="byte">404</object_length>
                   <parsing_standard_id>CDF 3.4 ISTP/IACG</parsing_standard_id>
            </Header>
             <Array>
                   <name>epoch</name>
                   <local_identifier>epoch</local_identifier>
                   <offset unit="byte">32693</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in TT2000 time base. TT2000 is UTC time in nanoseconds from 2000-Jan-01 12:00:00.000 including leap seconds.</description>
                   <Element_Array>
                         <data_type>SignedMSB8</data_type>
                         <unit>ns</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>5400</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
            </Array>
             <Array>
                   <name>time_met</name>
                   <local_identifier>time_met</local_identifier>
                   <offset unit="byte">76397</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in raw mission elapsed time.</description>
                   <Element_Array>
                         <data_type>IEEE754MSBDouble</data_type>
                         <unit>s</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>5400</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>5.4025914E8</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>time_unix</name>
                   <local_identifier>time_unix</local_identifier>
                   <offset unit="byte">120101</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in Unix time. Unix time is elapsed seconds since 1970-Jan-01 00:00:00.000 without leap seconds.</description>
                   <Element_Array>
                         <data_type>IEEE754MSBDouble</data_type>
                         <unit>s</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>5400</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.92499194E9</valid_maximum>
                         <valid_minimum>1.3847328E9</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>binning</name>
                   <local_identifier>binning</local_identifier>
                   <offset unit="byte">163798</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Energy binning factor: 1 = 64 energies, 2 = 32 energies, 4 = 16 energies</description>
                   <Element_Array>
                         <data_type>UnsignedByte</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>5400</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1</invalid_constant>
                         <valid_maximum>4</valid_maximum>
                         <valid_minimum>1</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>counts</name>
                   <local_identifier>counts</local_identifier>
                   <offset unit="byte">169722</offset>
                   <axes>4</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Raw Instrument Counts</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>counts</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>5400</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>elevation angle</axis_name>
                         <elements>6</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>azimuth angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>3</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>4</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0E10</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>diff_en_fluxes</name>
                   <local_identifier>diff_en_fluxes</local_identifier>
                   <offset unit="byte">132880646</offset>
                   <axes>4</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Calibrated differential energy flux</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV/[eV cm^2 sr s]</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>5400</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>elevation angle</axis_name>
                         <elements>6</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>azimuth angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>3</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>4</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0E14</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>g_engy</name>
                   <local_identifier>g_engy</local_identifier>
                   <offset unit="byte">265592058</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Relative sensitivity as a function of energy</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>2.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>de_over_e</name>
                   <local_identifier>de_over_e</local_identifier>
                   <offset unit="byte">265592822</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>DeltaE/E (FWHM)</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV/eV</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>energy</name>
                   <local_identifier>energy</local_identifier>
                   <offset unit="byte">265594090</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Energies</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>50000.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>elev</name>
                   <local_identifier>elev</local_identifier>
                   <offset unit="byte">265594862</offset>
                   <axes>2</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Elevation angle (theta)</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>degrees</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>elevation angle</axis_name>
                         <elements>6</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>180.0</valid_maximum>
                         <valid_minimum>-180.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>g_elev</name>
                   <local_identifier>g_elev</local_identifier>
                   <offset unit="byte">265596914</offset>
                   <axes>2</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Relative sensitivity as a function of elevation</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>elevation angle</axis_name>
                         <elements>6</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>2.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>azim</name>
                   <local_identifier>azim</local_identifier>
                   <offset unit="byte">265599469</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Azimuth angle (phi)</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>degrees</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>azimuth angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>360.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>g_azim</name>
                   <local_identifier>g_azim</local_identifier>
                   <offset unit="byte">265600041</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Relative sensitivity as a function of azimuth</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>azimuth angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>2.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
      </File_Area_Observational>
</Product_Observational>


B.       Archive 3D Sample Label

This sample label is from the MAVEN SWEA Archive Rate 3D Electron Distributions 
Data Collection (LID=urn:nasa:pds:maven.swea.calibrated:data.arc_3d). The 
sample data product label is for the date 2016-02-08.


<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="http://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1400.sch" 
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/alt/v1/PDS4_ALT_1000.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/particle/v1/PDS4_PARTICLE_1100.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/mvn/v1/PDS4_MVN_1020.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<Product_Observational
   xmlns="http://pds.nasa.gov/pds4/pds/v1"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:alt="http://pds.nasa.gov/pds4/alt/v1"
   xmlns:particle="http://pds.nasa.gov/pds4/particle/v1"
   xmlns:mvn="http://pds.nasa.gov/pds4/mission/mvn/v1"
   xsi:schemaLocation="
      http://pds.nasa.gov/pds4/pds/v1
      http://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1400.xsd

      http://pds.nasa.gov/pds4/alt/v1
      http://pds.nasa.gov/pds4/alt/v1/PDS4_ALT_1000.xsd

      http://pds.nasa.gov/pds4/particle/v1
      http://pds.nasa.gov/pds4/particle/v1/PDS4_PARTICLE_1100.xsd

      http://pds.nasa.gov/pds4/mission/mvn/v1
      http://pds.nasa.gov/pds4/mvn/v1/PDS4_MVN_1020.xsd
 ">
       <Identification_Area>
             <logical_identifier>urn:nasa:pds:maven.swea.calibrated:data.arc_3d:mvn_swe_l2_arc3d_20160208</logical_identifier>
             <version_id>1.0</version_id>
             <title>MAVEN SWEA Archive Rate 3D Electron Distributions for 2016-02-08</title>
             <information_model_version>1.4.0.0</information_model_version>
             <product_class>Product_Observational</product_class>
             <Citation_Information>
                   <author_list>Mitchell, D. L.</author_list>
                   <publication_year>2016</publication_year>
                   <description>
            MAVEN SWEA electron energy/angle (3D) distributions in units of differential energy flux (eV/cm**2 sec ster eV) at the MAVEN archive telemetry rate for 2016-02-08
         </description>
            </Citation_Information>
             <Modification_History>
                   <Modification_Detail>
                         <modification_date>2016-05-16</modification_date>
                         <version_id>1.0</version_id>
                         <description>
               Intial Version
            </description>
                  </Modification_Detail>
            </Modification_History>
      </Identification_Area>
       <Observation_Area>
             <Time_Coordinates>
                   <start_date_time>2016-02-08T00:00:02.595Z</start_date_time>
                   <stop_date_time>2016-02-08T23:59:54.837Z</stop_date_time>
            </Time_Coordinates>
             <Primary_Result_Summary>
                   <purpose>Science</purpose>
                   <processing_level>Calibrated</processing_level>
                   <Science_Facets>
                         <domain>Magnetosphere</domain>
                         <discipline_name>Particles</discipline_name>
                         <facet1>Electrons</facet1>
                         <facet2>Solar Energetic</facet2>
                  </Science_Facets>
            </Primary_Result_Summary>
             <Investigation_Area>
                   <name>Mars Atmosphere and Volatile EvolutioN Mission</name>
                   <type>Mission</type>
                   <Internal_Reference>
                         <lid_reference>urn:nasa:pds:context:investigation:mission.maven</lid_reference>
                         <reference_type>data_to_investigation</reference_type>
                  </Internal_Reference>
            </Investigation_Area>
             <Observing_System>
                   <Observing_System_Component>
                         <name>MAVEN</name>
                         <type>Spacecraft</type>
                         <Internal_Reference>
                               <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.maven</lid_reference>
                               <reference_type>is_instrument_host</reference_type>
                        </Internal_Reference>
                  </Observing_System_Component>
                   <Observing_System_Component>
                         <name>Solar Wind Electron Analyzer</name>
                         <type>Instrument</type>
                         <Internal_Reference>
                               <lid_reference>urn:nasa:pds:context:instrument:swea.maven</lid_reference>
                               <reference_type>is_instrument</reference_type>
                        </Internal_Reference>
                  </Observing_System_Component>
            </Observing_System>
             <Target_Identification>
                   <name>Mars</name>
                   <type>Planet</type>
                   <Internal_Reference>
                         <lid_reference>urn:nasa:pds:context:target:planet.mars</lid_reference>
                         <reference_type>data_to_target</reference_type>
                  </Internal_Reference>
            </Target_Identification>
             <Mission_Area>
                   <MAVEN xmlns="http://pds.nasa.gov/pds4/mvn/v1">
                         <mission_phase_name>EM-1</mission_phase_name>
                         <spacecraft_clock_start_count>3.3302875594797547E13</spacecraft_clock_start_count>
                         <spacecraft_clock_stop_count>3.3308537391922094E13</spacecraft_clock_stop_count>
                         <mission_event_time_start_count>5.081615565566956E8</mission_event_time_start_count>
                         <mission_event_time_stop_count>5.082479477497345E8</mission_event_time_stop_count>
                         <Parameter>
                               <name>geom_factor</name>
                               <description>Full sensor geometric factor (per anode) at 1.4 keV</description>
                               <value>2.4725273E-4</value>
                        </Parameter>
                         <Parameter>
                               <name>accum_time</name>
                               <description>Accumulation time</description>
                               <value>0.0043526785</value>
                        </Parameter>
                         <Parameter>
                               <name>num_dists</name>
                               <description>Number of distributions in file</description>
                               <value>10800</value>
                        </Parameter>
                  </MAVEN>
            </Mission_Area>
             <Discipline_Area>
                   <Particle_Observation xmlns="http://pds.nasa.gov/pds4/particle/v1">
                         <name>counts</name>
                         <description>Raw Instrument Counts</description>
                         <Primary_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>counts</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_observation_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Primary_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>1</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>2</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>azim</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>3</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>energy</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>4</axis_number>
                        </Axis_Values>
                         <Face_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_face_values</local_reference_type>
                              </Local_Internal_Reference>
                               <Face_Plane>
                                     <face_axis>2</face_axis>
                                     <face_axis>4</face_axis>
                              </Face_Plane>
                        </Face_Values>
                  </Particle_Observation>   
                   <Particle_Observation xmlns="http://pds.nasa.gov/pds4/particle/v1">
                         <name>diff_en_fluxes</name>
                         <description>Calibrated differential energy flux</description>
                         <Primary_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>diff_en_fluxes</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_observation_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Primary_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>1</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>2</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>azim</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>3</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>energy</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>4</axis_number>
                        </Axis_Values>
                         <Face_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_face_values</local_reference_type>
                              </Local_Internal_Reference>
                               <Face_Plane>
                                     <face_axis>2</face_axis>
                                     <face_axis>4</face_axis>
                              </Face_Plane>
                        </Face_Values>
                  </Particle_Observation>   
                   <Alternate_Values xmlns="http://pds.nasa.gov/pds4/alt/v1">
                         <name>time values</name>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>time_met</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>time_unix</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                  </Alternate_Values>
                   <Alternate_Values xmlns="http://pds.nasa.gov/pds4/alt/v1">
                         <name>elevation values</name>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>g_elev</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                  </Alternate_Values>
            </Discipline_Area>
      </Observation_Area>
       <Reference_List>
             <Internal_Reference>
                   <lidvid_reference>urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0011.tls::1.0</lidvid_reference>
                   <reference_type>data_to_spice_kernel</reference_type>
                   <comment>
            This data file was processed using the SPICE leapsecond kernel: naif0011.tls.
         </comment>
            </Internal_Reference>
             <Internal_Reference>
                   <lidvid_reference>urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00027.tsc::1.0</lidvid_reference>
                   <reference_type>data_to_spice_kernel</reference_type>
                   <comment>
            This data file was processed using the SPICE MAVEN SCLK kernel
            MVN_SCLKSCET.00026.tsc. The clock correlation provided by this
            version is identical to the correlation provided by the latest
            archived kernel through 2016-02-12T14:58:56.379 (5.0856120456300E+08
            TDT). After that time the spacecraft clock drift rate in this SCLK 
            kernel has been predicted and, when used, resulted in timing errors
            relative to the latest archive SCLK kernel.
         </comment>
            </Internal_Reference>
      </Reference_List>
       <File_Area_Observational>
             <File>
                   <file_name>mvn_swe_l2_arc3d_20160208_v03_r02.cdf</file_name>
                   <creation_date_time>2016-05-16T07:10:15</creation_date_time>
                   <file_size unit="byte">531158182</file_size>
                   <md5_checksum>09233a673ca08e9e35b36b57e218d7e4</md5_checksum>
            </File>
             <Header>
                   <name>CDF Header</name>
                   <offset unit="byte">0</offset>
                   <object_length unit="byte">404</object_length>
                   <parsing_standard_id>CDF 3.4 ISTP/IACG</parsing_standard_id>
            </Header>
             <Array>
                   <name>epoch</name>
                   <local_identifier>epoch</local_identifier>
                   <offset unit="byte">32694</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in TT2000 time base. TT2000 is UTC time in nanoseconds from 2000-Jan-01 12:00:00.000 including leap seconds.</description>
                   <Element_Array>
                         <data_type>SignedMSB8</data_type>
                         <unit>ns</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>10800</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
            </Array>
             <Array>
                   <name>time_met</name>
                   <local_identifier>time_met</local_identifier>
                   <offset unit="byte">119598</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in raw mission elapsed time.</description>
                   <Element_Array>
                         <data_type>IEEE754MSBDouble</data_type>
                         <unit>s</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>10800</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>5.4025914E8</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>time_unix</name>
                   <local_identifier>time_unix</local_identifier>
                   <offset unit="byte">206502</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in Unix time. Unix time is elapsed seconds since 1970-Jan-01 00:00:00.000 without leap seconds.</description>
                   <Element_Array>
                         <data_type>IEEE754MSBDouble</data_type>
                         <unit>s</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>10800</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.92499194E9</valid_maximum>
                         <valid_minimum>1.3847328E9</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>binning</name>
                   <local_identifier>binning</local_identifier>
                   <offset unit="byte">293399</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Energy binning factor: 1 = 64 energies, 2 = 32 energies, 4 = 16 energies</description>
                   <Element_Array>
                         <data_type>UnsignedByte</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>10800</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1</invalid_constant>
                         <valid_maximum>4</valid_maximum>
                         <valid_minimum>1</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>counts</name>
                   <local_identifier>counts</local_identifier>
                   <offset unit="byte">304723</offset>
                   <axes>4</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Raw Instrument Counts</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>counts</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>10800</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>elevation angle</axis_name>
                         <elements>6</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>azimuth angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>3</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>4</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0E10</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>diff_en_fluxes</name>
                   <local_identifier>diff_en_fluxes</local_identifier>
                   <offset unit="byte">265726047</offset>
                   <axes>4</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Calibrated differential energy flux</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV/[eV cm^2 sr s]</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>10800</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>elevation angle</axis_name>
                         <elements>6</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>azimuth angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>3</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>4</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0E14</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>g_engy</name>
                   <local_identifier>g_engy</local_identifier>
                   <offset unit="byte">531147859</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Relative sensitivity as a function of energy</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>2.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>de_over_e</name>
                   <local_identifier>de_over_e</local_identifier>
                   <offset unit="byte">531148623</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>DeltaE/E (FWHM)</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV/eV</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>energy</name>
                   <local_identifier>energy</local_identifier>
                   <offset unit="byte">531149891</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Energies</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>50000.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>elev</name>
                   <local_identifier>elev</local_identifier>
                   <offset unit="byte">531150663</offset>
                   <axes>2</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Elevation angle (theta)</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>degrees</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>elevation angle</axis_name>
                         <elements>6</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>180.0</valid_maximum>
                         <valid_minimum>-180.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>g_elev</name>
                   <local_identifier>g_elev</local_identifier>
                   <offset unit="byte">531152715</offset>
                   <axes>2</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Relative sensitivity as a function of elevation</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>elevation angle</axis_name>
                         <elements>6</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>2.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>azim</name>
                   <local_identifier>azim</local_identifier>
                   <offset unit="byte">531155270</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Azimuth angle (phi)</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>degrees</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>azimuth angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>360.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>g_azim</name>
                   <local_identifier>g_azim</local_identifier>
                   <offset unit="byte">531155842</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Relative sensitivity as a function of azimuth</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>azimuth angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>2.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
      </File_Area_Observational>
</Product_Observational>


C.       Survey Pitch Angle Distribution Sample Label

This sample label is from the MAVEN SWEA Survey Rate Electron Pitch Angle 
Distributions Data Collection 
(LID=urn:nasa:pds:maven.swea.calibrated:data.svy_3d). The sample data 
product label is for the date 2016-02-08.


<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="http://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1400.sch" 
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/alt/v1/PDS4_ALT_1000.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/particle/v1/PDS4_PARTICLE_1100.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/mvn/v1/PDS4_MVN_1020.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<Product_Observational
   xmlns="http://pds.nasa.gov/pds4/pds/v1"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:alt="http://pds.nasa.gov/pds4/alt/v1"
   xmlns:particle="http://pds.nasa.gov/pds4/particle/v1"
   xmlns:mvn="http://pds.nasa.gov/pds4/mission/mvn/v1"
   xsi:schemaLocation="
      http://pds.nasa.gov/pds4/pds/v1
      http://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1400.xsd

      http://pds.nasa.gov/pds4/alt/v1
      http://pds.nasa.gov/pds4/alt/v1/PDS4_ALT_1000.xsd

      http://pds.nasa.gov/pds4/particle/v1
      http://pds.nasa.gov/pds4/particle/v1/PDS4_PARTICLE_1100.xsd

      http://pds.nasa.gov/pds4/mission/mvn/v1
      http://pds.nasa.gov/pds4/mvn/v1/PDS4_MVN_1020.xsd
 ">
       <Identification_Area>
             <logical_identifier>urn:nasa:pds:maven.swea.calibrated:data.svy_pad:mvn_swe_l2_svypad_20160208</logical_identifier>
             <version_id>1.0</version_id>
             <title>MAVEN SWEA Survey Rate Electron Pitch Angle Distributions for 2016-02-08</title>
             <information_model_version>1.4.0.0</information_model_version>
             <product_class>Product_Observational</product_class>
             <Citation_Information>
                   <author_list>Mitchell, D. L.</author_list>
                   <publication_year>2016</publication_year>
                   <description>
            MAVEN SWEA electron pitch angle distributions in units of differential energy flux (eV/cm**2 sec ster eV) at the MAVEN survey telemetry rate for 2016-02-08
         </description>
            </Citation_Information>
             <Modification_History>
                   <Modification_Detail>
                         <modification_date>2016-05-16</modification_date>
                         <version_id>1.0</version_id>
                         <description>
               Intial Version
            </description>
                  </Modification_Detail>
            </Modification_History>
      </Identification_Area>
       <Observation_Area>
             <Time_Coordinates>
                   <start_date_time>2016-02-08T00:00:02.595Z</start_date_time>
                   <stop_date_time>2016-02-09T00:00:00.837Z</stop_date_time>
            </Time_Coordinates>
             <Primary_Result_Summary>
                   <purpose>Science</purpose>
                   <processing_level>Calibrated</processing_level>
                   <Science_Facets>
                         <domain>Magnetosphere</domain>
                         <discipline_name>Particles</discipline_name>
                         <facet1>Electrons</facet1>
                         <facet2>Solar Energetic</facet2>
                  </Science_Facets>
            </Primary_Result_Summary>
             <Investigation_Area>
                   <name>Mars Atmosphere and Volatile EvolutioN Mission</name>
                   <type>Mission</type>
                   <Internal_Reference>
                         <lid_reference>urn:nasa:pds:context:investigation:mission.maven</lid_reference>
                         <reference_type>data_to_investigation</reference_type>
                  </Internal_Reference>
            </Investigation_Area>
             <Observing_System>
                   <Observing_System_Component>
                         <name>MAVEN</name>
                         <type>Spacecraft</type>
                         <Internal_Reference>
                               <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.maven</lid_reference>
                               <reference_type>is_instrument_host</reference_type>
                        </Internal_Reference>
                  </Observing_System_Component>
                   <Observing_System_Component>
                         <name>Solar Wind Electron Analyzer</name>
                         <type>Instrument</type>
                         <Internal_Reference>
                               <lid_reference>urn:nasa:pds:context:instrument:swea.maven</lid_reference>
                               <reference_type>is_instrument</reference_type>
                        </Internal_Reference>
                  </Observing_System_Component>
            </Observing_System>
             <Target_Identification>
                   <name>Mars</name>
                   <type>Planet</type>
                   <Internal_Reference>
                         <lid_reference>urn:nasa:pds:context:target:planet.mars</lid_reference>
                         <reference_type>data_to_target</reference_type>
                  </Internal_Reference>
            </Target_Identification>
             <Mission_Area>
                   <MAVEN xmlns="http://pds.nasa.gov/pds4/mvn/v1">
                         <mission_phase_name>EM-1</mission_phase_name>
                         <spacecraft_clock_start_count>3.3302875594797547E13</spacecraft_clock_start_count>
                         <spacecraft_clock_stop_count>3.3308537785134086E13</spacecraft_clock_stop_count>
                         <mission_event_time_start_count>5.081615565566956E8</mission_event_time_start_count>
                         <mission_event_time_stop_count>5.082479537496735E8</mission_event_time_stop_count>
                         <Parameter>
                               <name>geom_factor</name>
                               <description>Full sensor geometric factor (per anode) at 1.4 keV</description>
                               <value>2.4725273E-4</value>
                        </Parameter>
                         <Parameter>
                               <name>accum_time</name>
                               <description>Accumulation Time</description>
                               <value>0.0043526785</value>
                        </Parameter>
                         <Parameter>
                               <name>num_dists</name>
                               <description>Number of distributions in file</description>
                               <value>43200</value>
                        </Parameter>
                  </MAVEN>
            </Mission_Area>
             <Discipline_Area>
                   <Particle_Observation xmlns="http://pds.nasa.gov/pds4/particle/v1">
                         <name>counts</name>
                         <description>Raw Instrument Counts</description>
                         <Primary_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>counts</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_observation_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Primary_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>1</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>2</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>azim</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>3</axis_number>
                        </Axis_Values>
                         <Face_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>pa</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_face_values</local_reference_type>
                              </Local_Internal_Reference>
                               <Face_Plane>
                                     <face_axis>3</face_axis>
                                     <face_axis>4</face_axis>
                              </Face_Plane>
                        </Face_Values>
                  </Particle_Observation>   
                   <Particle_Observation xmlns="http://pds.nasa.gov/pds4/particle/v1">
                         <name>diff_en_fluxes</name>
                         <description>Calibrated differential energy flux</description>
                         <Primary_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>diff_en_fluxes</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_observation_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Primary_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>1</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>2</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>azim</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>3</axis_number>
                        </Axis_Values>
                         <Face_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>pa</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_face_values</local_reference_type>
                              </Local_Internal_Reference>
                               <Face_Plane>
                                     <face_axis>3</face_axis>
                                     <face_axis>4</face_axis>
                              </Face_Plane>
                        </Face_Values>
                  </Particle_Observation>   
                   <Alternate_Values xmlns="http://pds.nasa.gov/pds4/alt/v1">
                         <name>time values</name>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>time_met</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>time_unix</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                  </Alternate_Values>
                   <Alternate_Values xmlns="http://pds.nasa.gov/pds4/alt/v1">
                         <name>energy values</name>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>energy</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>g_engy</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>de_over_e</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                  </Alternate_Values>
                   <Alternate_Values xmlns="http://pds.nasa.gov/pds4/alt/v1">
                         <name>pitch angle values</name>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>pa</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>d_pa</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>g_pa</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                  </Alternate_Values>
            </Discipline_Area>
      </Observation_Area>
       <Reference_List>
             <Internal_Reference>
                   <lidvid_reference>urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0011.tls::1.0</lidvid_reference>
                   <reference_type>data_to_spice_kernel</reference_type>
                   <comment>
            This data file was processed using the SPICE leapsecond kernel: naif0011.tls.
         </comment>
            </Internal_Reference>
             <Internal_Reference>
                   <lidvid_reference>urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00027.tsc::1.0</lidvid_reference>
                   <reference_type>data_to_spice_kernel</reference_type>
                   <comment>
            This data file was processed using the SPICE MAVEN SCLK kernel
            MVN_SCLKSCET.00026.tsc. The clock correlation provided by this
            version is identical to the correlation provided by the latest
            archived kernel through 2016-02-12T14:58:56.379 (5.0856120456300E+08
            TDT). After that time the spacecraft clock drift rate in this SCLK 
            kernel has been predicted and, when used, resulted in timing errors
            relative to the latest archive SCLK kernel.
         </comment>
            </Internal_Reference>
      </Reference_List>
       <File_Area_Observational>
             <File>
                   <file_name>mvn_swe_l2_svypad_20160208_v03_r03.cdf</file_name>
                   <creation_date_time>2016-05-16T09:37:15</creation_date_time>
                   <file_size unit="byte">886205413</file_size>
                   <md5_checksum>93fe05e0303844d15b01131119715d67</md5_checksum>
            </File>
             <Header>
                   <name>CDF Header</name>
                   <offset unit="byte">0</offset>
                   <object_length unit="byte">404</object_length>
                   <parsing_standard_id>CDF 3.4 ISTP/IACG</parsing_standard_id>
            </Header>
             <Array>
                   <name>epoch</name>
                   <local_identifier>epoch</local_identifier>
                   <offset unit="byte">33149</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in TT2000 time base. TT2000 is UTC time in nanoseconds from 2000-Jan-01 12:00:00.000 including leap seconds.</description>
                   <Element_Array>
                         <data_type>SignedMSB8</data_type>
                         <unit>ns</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
            </Array>
             <Array>
                   <name>time_met</name>
                   <local_identifier>time_met</local_identifier>
                   <offset unit="byte">379253</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in raw mission elapsed time.</description>
                   <Element_Array>
                         <data_type>IEEE754MSBDouble</data_type>
                         <unit>s</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>5.4025914E8</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>time_unix</name>
                   <local_identifier>time_unix</local_identifier>
                   <offset unit="byte">725357</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in Unix time. Unix time is elapsed seconds since 1970-Jan-01 00:00:00.000 without leap seconds.</description>
                   <Element_Array>
                         <data_type>IEEE754MSBDouble</data_type>
                         <unit>s</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.92499194E9</valid_maximum>
                         <valid_minimum>1.3847328E9</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>binning</name>
                   <local_identifier>binning</local_identifier>
                   <offset unit="byte">1071454</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Energy binning factor: 1 = 64 energies, 2 = 32 energies, 4 = 16 energies</description>
                   <Element_Array>
                         <data_type>UnsignedByte</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1</invalid_constant>
                         <valid_maximum>4</valid_maximum>
                         <valid_minimum>1</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>counts</name>
                   <local_identifier>counts</local_identifier>
                   <offset unit="byte">1115170</offset>
                   <axes>3</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Raw Instrument Counts</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>counts</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>pitch angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>3</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0E10</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>diff_en_fluxes</name>
                   <local_identifier>diff_en_fluxes</local_identifier>
                   <offset unit="byte">178062886</offset>
                   <axes>3</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Calibrated differential energy flux</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV/[eV cm^2 sr s]</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>pitch angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>3</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0E14</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>g_engy</name>
                   <local_identifier>g_engy</local_identifier>
                   <offset unit="byte">355011098</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Relative sensitivity as a function of energy</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>2.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>de_over_e</name>
                   <local_identifier>de_over_e</local_identifier>
                   <offset unit="byte">355011862</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>DeltaE/E (FWHM)</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV/eV</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>energy</name>
                   <local_identifier>energy</local_identifier>
                   <offset unit="byte">355013130</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Energies</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>50000.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>pa</name>
                   <local_identifier>pa</local_identifier>
                   <offset unit="byte">355013902</offset>
                   <axes>3</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Pitch Angle</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>degrees</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>pitch angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>3</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>180.0</valid_maximum>
                         <valid_minimum>-180.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>d_pa</name>
                   <local_identifier>d_pa</local_identifier>
                   <offset unit="byte">531961618</offset>
                   <axes>3</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Pitch Angle Width</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>degrees</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>pitch angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>3</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>180.0</valid_maximum>
                         <valid_minimum>-180.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>g_pa</name>
                   <local_identifier>g_pa</local_identifier>
                   <offset unit="byte">708909334</offset>
                   <axes>3</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Relative sensitivity as a function of pitch angle</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>pitch angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>3</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>2.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>b_azim</name>
                   <local_identifier>b_azim</local_identifier>
                   <offset unit="byte">885857555</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Magnetic field azimuth in instrument coordiantes</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>degrees</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>360.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>b_elev</name>
                   <local_identifier>b_elev</local_identifier>
                   <offset unit="byte">886030855</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Magnetic field elevation in instrument coordiantes</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>degrees</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>180.0</valid_maximum>
                         <valid_minimum>-180.0</valid_minimum>
                  </Special_Constants>
            </Array>
      </File_Area_Observational>
</Product_Observational>


D.       Archive Pitch Angle Distribution Sample Label

This sample label is from the MAVEN SWEA Archive Rate Electron Pitch Angle 
Distributions Data Collection 
(LID=urn:nasa:pds:maven.swea.calibrated:data.arc_3d). The sample data 
product label is for the date 2016-02-08.


<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="http://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1400.sch" 
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/alt/v1/PDS4_ALT_1000.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/particle/v1/PDS4_PARTICLE_1100.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/mvn/v1/PDS4_MVN_1020.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<Product_Observational
   xmlns="http://pds.nasa.gov/pds4/pds/v1"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:alt="http://pds.nasa.gov/pds4/alt/v1"
   xmlns:particle="http://pds.nasa.gov/pds4/particle/v1"
   xmlns:mvn="http://pds.nasa.gov/pds4/mission/mvn/v1"
   xsi:schemaLocation="
      http://pds.nasa.gov/pds4/pds/v1
      http://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1400.xsd

      http://pds.nasa.gov/pds4/alt/v1
      http://pds.nasa.gov/pds4/alt/v1/PDS4_ALT_1000.xsd

      http://pds.nasa.gov/pds4/particle/v1
      http://pds.nasa.gov/pds4/particle/v1/PDS4_PARTICLE_1100.xsd

      http://pds.nasa.gov/pds4/mission/mvn/v1
      http://pds.nasa.gov/pds4/mvn/v1/PDS4_MVN_1020.xsd
 ">
       <Identification_Area>
             <logical_identifier>urn:nasa:pds:maven.swea.calibrated:data.arc_pad:mvn_swe_l2_arcpad_20160208</logical_identifier>
             <version_id>1.0</version_id>
             <title>MAVEN SWEA Archive Rate Electron Pitch Angle Distributions for 2016-02-08</title>
             <information_model_version>1.4.0.0</information_model_version>
             <product_class>Product_Observational</product_class>
             <Citation_Information>
                   <author_list>Mitchell, D. L.</author_list>
                   <publication_year>2016</publication_year>
                   <description>
            MAVEN SWEA electron pitch angle distributions in units of differential energy flux (eV/cm**2 sec ster eV) at the MAVEN archive telemetry rate for 2016-02-08
         </description>
            </Citation_Information>
             <Modification_History>
                   <Modification_Detail>
                         <modification_date>2016-05-16</modification_date>
                         <version_id>1.0</version_id>
                         <description>
               Intial Version
            </description>
                  </Modification_Detail>
            </Modification_History>
      </Identification_Area>
       <Observation_Area>
             <Time_Coordinates>
                   <start_date_time>2016-02-08T00:00:02.595Z</start_date_time>
                   <stop_date_time>2016-02-09T00:00:00.837Z</stop_date_time>
            </Time_Coordinates>
             <Primary_Result_Summary>
                   <purpose>Science</purpose>
                   <processing_level>Calibrated</processing_level>
                   <Science_Facets>
                         <domain>Magnetosphere</domain>
                         <discipline_name>Particles</discipline_name>
                         <facet1>Electrons</facet1>
                         <facet2>Solar Energetic</facet2>
                  </Science_Facets>
            </Primary_Result_Summary>
             <Investigation_Area>
                   <name>Mars Atmosphere and Volatile EvolutioN Mission</name>
                   <type>Mission</type>
                   <Internal_Reference>
                         <lid_reference>urn:nasa:pds:context:investigation:mission.maven</lid_reference>
                         <reference_type>data_to_investigation</reference_type>
                  </Internal_Reference>
            </Investigation_Area>
             <Observing_System>
                   <Observing_System_Component>
                         <name>MAVEN</name>
                         <type>Spacecraft</type>
                         <Internal_Reference>
                               <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.maven</lid_reference>
                               <reference_type>is_instrument_host</reference_type>
                        </Internal_Reference>
                  </Observing_System_Component>
                   <Observing_System_Component>
                         <name>Solar Wind Electron Analyzer</name>
                         <type>Instrument</type>
                         <Internal_Reference>
                               <lid_reference>urn:nasa:pds:context:instrument:swea.maven</lid_reference>
                               <reference_type>is_instrument</reference_type>
                        </Internal_Reference>
                  </Observing_System_Component>
            </Observing_System>
             <Target_Identification>
                   <name>Mars</name>
                   <type>Planet</type>
                   <Internal_Reference>
                         <lid_reference>urn:nasa:pds:context:target:planet.mars</lid_reference>
                         <reference_type>data_to_target</reference_type>
                  </Internal_Reference>
            </Target_Identification>
             <Mission_Area>
                   <MAVEN xmlns="http://pds.nasa.gov/pds4/mvn/v1">
                         <mission_phase_name>EM-1</mission_phase_name>
                         <spacecraft_clock_start_count>3.3302875594797547E13</spacecraft_clock_start_count>
                         <spacecraft_clock_stop_count>3.3308537785134086E13</spacecraft_clock_stop_count>
                         <mission_event_time_start_count>5.081615565566956E8</mission_event_time_start_count>
                         <mission_event_time_stop_count>5.082479537496735E8</mission_event_time_stop_count>
                         <Parameter>
                               <name>geom_factor</name>
                               <description>Full sensor geometric factor (per anode) at 1.4 keV</description>
                               <value>2.4725273E-4</value>
                        </Parameter>
                         <Parameter>
                               <name>accum_time</name>
                               <description>Accumulation Time</description>
                               <value>0.0043526785</value>
                        </Parameter>
                         <Parameter>
                               <name>num_dists</name>
                               <description>Number of distributions in file</description>
                               <value>43200</value>
                        </Parameter>
                  </MAVEN>
            </Mission_Area>
             <Discipline_Area>
                   <Particle_Observation xmlns="http://pds.nasa.gov/pds4/particle/v1">
                         <name>counts</name>
                         <description>Raw Instrument Counts</description>
                         <Primary_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>counts</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_observation_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Primary_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>1</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>2</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>azim</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>3</axis_number>
                        </Axis_Values>
                         <Face_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>pa</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_face_values</local_reference_type>
                              </Local_Internal_Reference>
                               <Face_Plane>
                                     <face_axis>3</face_axis>
                                     <face_axis>4</face_axis>
                              </Face_Plane>
                        </Face_Values>
                  </Particle_Observation>   
                   <Particle_Observation xmlns="http://pds.nasa.gov/pds4/particle/v1">
                         <name>diff_en_fluxes</name>
                         <description>Calibrated differential energy flux</description>
                         <Primary_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>diff_en_fluxes</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_observation_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Primary_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>1</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>2</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>azim</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>3</axis_number>
                        </Axis_Values>
                         <Face_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>pa</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_face_values</local_reference_type>
                              </Local_Internal_Reference>
                               <Face_Plane>
                                     <face_axis>3</face_axis>
                                     <face_axis>4</face_axis>
                              </Face_Plane>
                        </Face_Values>
                  </Particle_Observation>   
                   <Alternate_Values xmlns="http://pds.nasa.gov/pds4/alt/v1">
                         <name>time values</name>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>time_met</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>time_unix</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                  </Alternate_Values>
                   <Alternate_Values xmlns="http://pds.nasa.gov/pds4/alt/v1">
                         <name>energy values</name>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>energy</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>g_engy</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>de_over_e</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                  </Alternate_Values>
                   <Alternate_Values xmlns="http://pds.nasa.gov/pds4/alt/v1">
                         <name>pitch angle values</name>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>pa</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>d_pa</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>g_pa</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                  </Alternate_Values>
            </Discipline_Area>
      </Observation_Area>
       <Reference_List>
             <Internal_Reference>
                   <lidvid_reference>urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0011.tls::1.0</lidvid_reference>
                   <reference_type>data_to_spice_kernel</reference_type>
                   <comment>
            This data file was processed using the SPICE leapsecond kernel: naif0011.tls.
         </comment>
            </Internal_Reference>
             <Internal_Reference>
                   <lidvid_reference>urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00027.tsc::1.0</lidvid_reference>
                   <reference_type>data_to_spice_kernel</reference_type>
                   <comment>
            This data file was processed using the SPICE MAVEN SCLK kernel
            MVN_SCLKSCET.00026.tsc. The clock correlation provided by this
            version is identical to the correlation provided by the latest
            archived kernel through 2016-02-12T14:58:56.379 (5.0856120456300E+08
            TDT). After that time the spacecraft clock drift rate in this SCLK 
            kernel has been predicted and, when used, resulted in timing errors
            relative to the latest archive SCLK kernel.
         </comment>
            </Internal_Reference>
      </Reference_List>
       <File_Area_Observational>
             <File>
                   <file_name>mvn_swe_l2_arcpad_20160208_v03_r02.cdf</file_name>
                   <creation_date_time>2016-05-16T08:01:50</creation_date_time>
                   <file_size unit="byte">886205414</file_size>
                   <md5_checksum>bb57377c7346775e0530f795fa092e66</md5_checksum>
            </File>
             <Header>
                   <name>CDF Header</name>
                   <offset unit="byte">0</offset>
                   <object_length unit="byte">404</object_length>
                   <parsing_standard_id>CDF 3.4 ISTP/IACG</parsing_standard_id>
            </Header>
             <Array>
                   <name>epoch</name>
                   <local_identifier>epoch</local_identifier>
                   <offset unit="byte">33150</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in TT2000 time base. TT2000 is UTC time in nanoseconds from 2000-Jan-01 12:00:00.000 including leap seconds.</description>
                   <Element_Array>
                         <data_type>SignedMSB8</data_type>
                         <unit>ns</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
            </Array>
             <Array>
                   <name>time_met</name>
                   <local_identifier>time_met</local_identifier>
                   <offset unit="byte">379254</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in raw mission elapsed time.</description>
                   <Element_Array>
                         <data_type>IEEE754MSBDouble</data_type>
                         <unit>s</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>5.4025914E8</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>time_unix</name>
                   <local_identifier>time_unix</local_identifier>
                   <offset unit="byte">725358</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in Unix time. Unix time is elapsed seconds since 1970-Jan-01 00:00:00.000 without leap seconds.</description>
                   <Element_Array>
                         <data_type>IEEE754MSBDouble</data_type>
                         <unit>s</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.92499194E9</valid_maximum>
                         <valid_minimum>1.3847328E9</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>binning</name>
                   <local_identifier>binning</local_identifier>
                   <offset unit="byte">1071455</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Energy binning factor: 1 = 64 energies, 2 = 32 energies, 4 = 16 energies</description>
                   <Element_Array>
                         <data_type>UnsignedByte</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1</invalid_constant>
                         <valid_maximum>4</valid_maximum>
                         <valid_minimum>1</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>counts</name>
                   <local_identifier>counts</local_identifier>
                   <offset unit="byte">1115171</offset>
                   <axes>3</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Raw Instrument Counts</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>counts</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>pitch angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>3</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0E10</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>diff_en_fluxes</name>
                   <local_identifier>diff_en_fluxes</local_identifier>
                   <offset unit="byte">178062887</offset>
                   <axes>3</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Calibrated differential energy flux</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV/[eV cm^2 sr s]</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>pitch angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>3</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0E14</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>g_engy</name>
                   <local_identifier>g_engy</local_identifier>
                   <offset unit="byte">355011099</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Relative sensitivity as a function of energy</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>2.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>de_over_e</name>
                   <local_identifier>de_over_e</local_identifier>
                   <offset unit="byte">355011863</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>DeltaE/E (FWHM)</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV/eV</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>energy</name>
                   <local_identifier>energy</local_identifier>
                   <offset unit="byte">355013131</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Energies</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>50000.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>pa</name>
                   <local_identifier>pa</local_identifier>
                   <offset unit="byte">355013903</offset>
                   <axes>3</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Pitch Angle</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>degrees</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>pitch angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>3</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>180.0</valid_maximum>
                         <valid_minimum>-180.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>d_pa</name>
                   <local_identifier>d_pa</local_identifier>
                   <offset unit="byte">531961619</offset>
                   <axes>3</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Pitch Angle Width</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>degrees</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>pitch angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>3</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>180.0</valid_maximum>
                         <valid_minimum>-180.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>g_pa</name>
                   <local_identifier>g_pa</local_identifier>
                   <offset unit="byte">708909335</offset>
                   <axes>3</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Relative sensitivity as a function of pitch angle</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>pitch angle</axis_name>
                         <elements>16</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>3</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>2.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>b_azim</name>
                   <local_identifier>b_azim</local_identifier>
                   <offset unit="byte">885857556</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Magnetic field azimuth in instrument coordiantes</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>degrees</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>360.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>b_elev</name>
                   <local_identifier>b_elev</local_identifier>
                   <offset unit="byte">886030856</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Magnetic field elevation in instrument coordiantes</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>degrees</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43200</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>180.0</valid_maximum>
                         <valid_minimum>-180.0</valid_minimum>
                  </Special_Constants>
            </Array>
      </File_Area_Observational>
</Product_Observational>


E.       Survey Omnidirectional Energy Spectra Sample Label

This sample label is from the MAVEN SWEA Survey Rate Omni-Directional Electron 
Energy Spectra Data Collection 
(LID=urn:nasa:pds:maven.swea.calibrated:data.svy_spec). The sample data 
product label is for the date 2016-02-08.


<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="http://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1400.sch" 
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/alt/v1/PDS4_ALT_1000.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/particle/v1/PDS4_PARTICLE_1100.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="http://pds.nasa.gov/pds4/mvn/v1/PDS4_MVN_1020.sch"
   schematypens="http://purl.oclc.org/dsdl/schematron"?>
<Product_Observational
   xmlns="http://pds.nasa.gov/pds4/pds/v1"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:alt="http://pds.nasa.gov/pds4/alt/v1"
   xmlns:particle="http://pds.nasa.gov/pds4/particle/v1"
   xmlns:mvn="http://pds.nasa.gov/pds4/mission/mvn/v1"
   xsi:schemaLocation="
      http://pds.nasa.gov/pds4/pds/v1
      http://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1400.xsd

      http://pds.nasa.gov/pds4/alt/v1
      http://pds.nasa.gov/pds4/alt/v1/PDS4_ALT_1000.xsd

      http://pds.nasa.gov/pds4/particle/v1
      http://pds.nasa.gov/pds4/particle/v1/PDS4_PARTICLE_1100.xsd

      http://pds.nasa.gov/pds4/mission/mvn/v1
      http://pds.nasa.gov/pds4/mvn/v1/PDS4_MVN_1020.xsd
 ">
       <Identification_Area>
             <logical_identifier>urn:nasa:pds:maven.swea.calibrated:data.svy_spec:mvn_swe_l2_svyspec_20160208</logical_identifier>
             <version_id>1.0</version_id>
             <title>MAVEN SWEA Survey Rate Omni-Directional Electron Energy Spectra for 2016-02-08</title>
             <information_model_version>1.4.0.0</information_model_version>
             <product_class>Product_Observational</product_class>
             <Citation_Information>
                   <author_list>Mitchell, D. L.</author_list>
                   <publication_year>2016</publication_year>
                   <description>
            MAVEN SWEA omni-directional electron energy spectra in units of differential energy flux (eV/cm**2 sec ster eV) at the MAVEN survey telemetry rate for 2016-02-08
         </description>
            </Citation_Information>
             <Modification_History>
                   <Modification_Detail>
                         <modification_date>2016-05-16</modification_date>
                         <version_id>1.0</version_id>
                         <description>
               Intial Version
            </description>
                  </Modification_Detail>
            </Modification_History>
      </Identification_Area>
       <Observation_Area>
             <Time_Coordinates>
                   <start_date_time>2016-02-08T00:00:22.595Z</start_date_time>
                   <stop_date_time>2016-02-09T00:00:00.837Z</stop_date_time>
            </Time_Coordinates>
             <Primary_Result_Summary>
                   <purpose>Science</purpose>
                   <processing_level>Calibrated</processing_level>
                   <Science_Facets>
                         <domain>Magnetosphere</domain>
                         <discipline_name>Particles</discipline_name>
                         <facet1>Electrons</facet1>
                         <facet2>Solar Energetic</facet2>
                  </Science_Facets>
            </Primary_Result_Summary>
             <Investigation_Area>
                   <name>Mars Atmosphere and Volatile EvolutioN Mission</name>
                   <type>Mission</type>
                   <Internal_Reference>
                         <lid_reference>urn:nasa:pds:context:investigation:mission.maven</lid_reference>
                         <reference_type>data_to_investigation</reference_type>
                  </Internal_Reference>
            </Investigation_Area>
             <Observing_System>
                   <Observing_System_Component>
                         <name>MAVEN</name>
                         <type>Spacecraft</type>
                         <Internal_Reference>
                               <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.maven</lid_reference>
                               <reference_type>is_instrument_host</reference_type>
                        </Internal_Reference>
                  </Observing_System_Component>
                   <Observing_System_Component>
                         <name>Solar Wind Electron Analyzer</name>
                         <type>Instrument</type>
                         <Internal_Reference>
                               <lid_reference>urn:nasa:pds:context:instrument:swea.maven</lid_reference>
                               <reference_type>is_instrument</reference_type>
                        </Internal_Reference>
                  </Observing_System_Component>
            </Observing_System>
             <Target_Identification>
                   <name>Mars</name>
                   <type>Planet</type>
                   <Internal_Reference>
                         <lid_reference>urn:nasa:pds:context:target:planet.mars</lid_reference>
                         <reference_type>data_to_target</reference_type>
                  </Internal_Reference>
            </Target_Identification>
             <Mission_Area>
                   <MAVEN xmlns="http://pds.nasa.gov/pds4/mvn/v1">
                         <mission_phase_name>EM-1</mission_phase_name>
                         <spacecraft_clock_start_count>3.3302876905504535E13</spacecraft_clock_start_count>
                         <spacecraft_clock_stop_count>3.3308537785139523E13</spacecraft_clock_stop_count>
                         <mission_event_time_start_count>5.081615765564972E8</mission_event_time_start_count>
                         <mission_event_time_stop_count>5.0824795374976504E8</mission_event_time_stop_count>
                         <Parameter>
                               <name>weight_factor</name>
                               <description>Weighting factor for converting raw counts to raw count rate</description>
                               <value>0.81758624</value>
                        </Parameter>
                         <Parameter>
                               <name>geom_factor</name>
                               <description>Full sensor geometric factor (per anode) at 1.4 keV</description>
                               <value>2.4725278E-4</value>
                        </Parameter>
                         <Parameter>
                               <name>accum_time</name>
                               <description>Accumulation Time</description>
                               <value>0.41785714</value>
                        </Parameter>
                         <Parameter>
                               <name>num_spec</name>
                               <description>Number of energy spectra in file</description>
                               <value>43190</value>
                        </Parameter>
                  </MAVEN>
            </Mission_Area>
             <Discipline_Area>
                   <Particle_Observation xmlns="http://pds.nasa.gov/pds4/particle/v1">
                         <name>counts</name>
                         <description>Raw Instrument Counts</description>
                         <Primary_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>counts</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_observation_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Primary_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>1</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>2</axis_number>
                        </Axis_Values>
                  </Particle_Observation>   
                   <Particle_Observation xmlns="http://pds.nasa.gov/pds4/particle/v1">
                         <name>diff_en_fluxes</name>
                         <description>Calibrated differential energy flux</description>
                         <Primary_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>diff_en_fluxes</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_observation_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Primary_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>1</axis_number>
                        </Axis_Values>
                          <Axis_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>elev</local_identifier_reference>
                                     <local_reference_type>particle_observation_to_axis_values</local_reference_type>
                              </Local_Internal_Reference>
                               <axis_number>2</axis_number>
                        </Axis_Values>
                  </Particle_Observation>   
                   <Alternate_Values xmlns="http://pds.nasa.gov/pds4/alt/v1">
                         <name>time values</name>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>epoch</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>time_met</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>time_unix</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                  </Alternate_Values>
                   <Alternate_Values xmlns="http://pds.nasa.gov/pds4/alt/v1">
                         <name>energy values</name>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>energy</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>g_engy</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                         <Data_Values>
                               <Local_Internal_Reference>
                                     <local_identifier_reference>de_over_e</local_identifier_reference>
                                     <local_reference_type>data_values_to_data_values</local_reference_type>
                              </Local_Internal_Reference>
                        </Data_Values>
                  </Alternate_Values>
            </Discipline_Area>
      </Observation_Area>
       <Reference_List>
             <Internal_Reference>
                   <lidvid_reference>urn:nasa:pds:maven.spice:spice_kernels:lsk_naif0011.tls::1.0</lidvid_reference>
                   <reference_type>data_to_spice_kernel</reference_type>
                   <comment>
            This data file was processed using the SPICE leapsecond kernel: naif0011.tls.
         </comment>
            </Internal_Reference>
             <Internal_Reference>
                   <lidvid_reference>urn:nasa:pds:maven.spice:spice_kernels:sclk_mvn_sclkscet_00027.tsc::1.0</lidvid_reference>
                   <reference_type>data_to_spice_kernel</reference_type>
                   <comment>
            This data file was processed using the SPICE MAVEN SCLK kernel
            MVN_SCLKSCET.00026.tsc. The clock correlation provided by this
            version is identical to the correlation provided by the latest
            archived kernel through 2016-02-12T14:58:56.379 (5.0856120456300E+08
            TDT). After that time the spacecraft clock drift rate in this SCLK 
            kernel has been predicted and, when used, resulted in timing errors
            relative to the latest archive SCLK kernel.
         </comment>
            </Internal_Reference>
      </Reference_List>
       <File_Area_Observational>
             <File>
                   <file_name>mvn_swe_l2_svyspec_20160208_v03_r03.cdf</file_name>
                   <creation_date_time>2016-05-16T09:44:38</creation_date_time>
                   <file_size unit="byte">23271185</file_size>
                   <md5_checksum>f0954bef3138bca26981cf496f2f8c3d</md5_checksum>
            </File>
             <Header>
                   <name>CDF Header</name>
                   <offset unit="byte">0</offset>
                   <object_length unit="byte">404</object_length>
                   <parsing_standard_id>CDF 3.4 ISTP/IACG</parsing_standard_id>
            </Header>
             <Array>
                   <name>epoch</name>
                   <local_identifier>epoch</local_identifier>
                   <offset unit="byte">27436</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in TT2000 time base. TT2000 is UTC time in nanoseconds from 2000-Jan-01 12:00:00.000 including leap seconds.</description>
                   <Element_Array>
                         <data_type>SignedMSB8</data_type>
                         <unit>ns</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43190</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
            </Array>
             <Array>
                   <name>time_met</name>
                   <local_identifier>time_met</local_identifier>
                   <offset unit="byte">373460</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in raw mission elapsed time.</description>
                   <Element_Array>
                         <data_type>IEEE754MSBDouble</data_type>
                         <unit>s</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43190</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>5.4025914E8</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>time_unix</name>
                   <local_identifier>time_unix</local_identifier>
                   <offset unit="byte">719484</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Time, center of sample, in Unix time. Unix time is elapsed seconds since 1970-Jan-01 00:00:00.000 without leap seconds.</description>
                   <Element_Array>
                         <data_type>IEEE754MSBDouble</data_type>
                         <unit>s</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43190</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.92499194E9</valid_maximum>
                         <valid_minimum>1.3847328E9</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>num_accum</name>
                   <local_identifier>num_accum</local_identifier>
                   <offset unit="byte">1065502</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Number of two-second accumulations per energy spectrum</description>
                   <Element_Array>
                         <data_type>SignedMSB2</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43190</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-32768</invalid_constant>
                         <valid_maximum>100</valid_maximum>
                         <valid_minimum>1</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>counts</name>
                   <local_identifier>counts</local_identifier>
                   <offset unit="byte">1152390</offset>
                   <axes>2</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Raw Instrument Counts</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>counts</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43190</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0E10</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>diff_en_fluxes</name>
                   <local_identifier>diff_en_fluxes</local_identifier>
                   <offset unit="byte">12209538</offset>
                   <axes>2</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Calibrated differential energy flux</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV/[eV cm^2 sr s]</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>time</axis_name>
                         <elements>43190</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>2</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0E14</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>g_engy</name>
                   <local_identifier>g_engy</local_identifier>
                   <offset unit="byte">23267694</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Relative sensitivity as a function of energy</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>2.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>de_over_e</name>
                   <local_identifier>de_over_e</local_identifier>
                   <offset unit="byte">23268458</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>DeltaE/E (FWHM)</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV/eV</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>1.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
             <Array>
                   <name>energy</name>
                   <local_identifier>energy</local_identifier>
                   <offset unit="byte">23269726</offset>
                   <axes>1</axes>
                   <axis_index_order>Last Index Fastest</axis_index_order>
                   <description>Energies</description>
                   <Element_Array>
                         <data_type>IEEE754MSBSingle</data_type>
                         <unit>eV</unit>
                  </Element_Array>
                    <Axis_Array>
                         <axis_name>energy</axis_name>
                         <elements>64</elements>
                         <sequence_number>1</sequence_number>
                  </Axis_Array>
                   <Special_Constants>
                         <invalid_constant>-1.0E31</invalid_constant>
                         <valid_maximum>50000.0</valid_maximum>
                         <valid_minimum>0.0</valid_minimum>
                  </Special_Constants>
            </Array>
      </File_Area_Observational>
</Product_Observational>


2.6       Archive Omnidirectional Energy Spectra Sample Label

No sample Archive Omnidirectional Energy Spectra sample label is provided at 
this time. The SWEA arc_spec data product was defined before launch, however 
through the time when this document was generated SWEA has not been configured 
to produce arc_spec. Svy_spec is more than sufficient and the SWEA team has 
chosen to use the archive (burst) system for the higher resolution PAD and 3D 
data. The SWEA team does not expect to ever produce arc_spec.