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    xmlns="http://pds.nasa.gov/pds4/pds/v1"
    xmlns:msn="http://pds.nasa.gov/pds4/msn/v1"
    xmlns:particle="http://pds.nasa.gov/pds4/particle/v2"
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    http://pds.nasa.gov/pds4/msn/v1        https://pds.nasa.gov/pds4/msn/v1/PDS4_MSN_1P00_1310.xsd
    ">
    <Identification_Area>
        <logical_identifier>urn:nasa:pds:p11-crt-cal:data-15min-jup:p11_crt_jup_15min_het</logical_identifier>
        <version_id>1.0</version_id>
        <title>Pioneer 11 CRT Calibrated 15 minute HET Data</title>
        <information_model_version>1.25.0.0</information_model_version>
        <product_class>Product_Observational</product_class>
        <Citation_Information>
            <publication_year>2012</publication_year>
            <description>                                             
      Pioneer 11 CRT 15 minute electron flux data from the Jupiter            
      Encounter. This file contains data from the High Energy Telescope (HET) 
      channels R6A, R6B, and R7A. The data cover 1974-11-26 to 1974-12-09.
                                                             
      This is a space-delimited ASCII table with fixed width columns. The     
      data consist of a time column followed by a flux and flux uncertainty   
      for each of the data channels.                                          
                                                                              
      This file includes the following channels:                              
                                                                              
        Channel 1 = (R6A / 2.200E-01)                                         
                   R6A = A1.^A2.B.^C1                                         
                                                                              
        Channel 2 = (R6B / 2.200E-01)                                         
                   R6B = A1.^A2.B.C1.^C2                                      
                                                                              
        Channel 3 = (R7A / 2.200E-01)                                         
                   R7A = A1.^A2.B.C1.C2.^C3                                   
                                                                              
      Individual detectors in HET telescope are identified by A, B,           
      C1, C2, and C3. The subscript in parentheses of a detector              
      identifier refers to the trigger threshold on that detector.            
      Several detectors defining a flux channel are in coincidence            
      unless the symbol ^ preceding the detector identifier                   
      indicating that detector is in anti-coincidence.</description>
            <List_Author>
                <Person>
                    <given_name>Frank Bethune</given_name>
                    <family_name>McDonald</family_name>
                    <Affiliation>
                        <organization_name>Institute for Physical Science and Technology
                            University of Maryland</organization_name>
                        <organization_rorid>https://ror.org/047s2c258</organization_rorid>
                        <sequence_number>1</sequence_number>
                    </Affiliation>
                </Person>
                <Person>
                    <given_name>Lal</given_name>
                    <family_name>Nand</family_name>
                    <Affiliation>
                        <organization_name>Goddard Space Flight Center</organization_name>
                        <organization_rorid>https://ror.org/0171mag52</organization_rorid>
                        <sequence_number>2</sequence_number>
                    </Affiliation>
                </Person>
            </List_Author>
        </Citation_Information>
        <Modification_History>
            <Modification_Detail>
                <modification_date>2026-04-30</modification_date>
                <version_id>1.0</version_id>
                <description>This is the first product released as part
                    of the PDS4 bundle. The data themselves are unchanged.</description>
            </Modification_Detail>
        </Modification_History>
    </Identification_Area>
    <Observation_Area>
        <Time_Coordinates>
            <start_date_time>1974-11-26T00:00:00.000Z</start_date_time>
            <stop_date_time>1974-12-09T21:45:00.000Z</stop_date_time>
        </Time_Coordinates>
        <Primary_Result_Summary>
            <purpose>Science</purpose>
            <processing_level>Calibrated</processing_level>
            <Science_Facets>
                <discipline_name>Particles</discipline_name>
                <facet1>Electrons</facet1>
                <facet2>Cosmic Ray</facet2>
            </Science_Facets>
            <Science_Facets>
                <discipline_name>Particles</discipline_name>
                <facet1>Ions</facet1>
                <facet2>Cosmic Ray</facet2>
            </Science_Facets>
        </Primary_Result_Summary>
        <Investigation_Area>
            <name>Pioneer 11</name>
            <type>Mission</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:investigation:mission.pioneer_11</lid_reference>
                <reference_type>data_to_investigation</reference_type>
            </Internal_Reference>
        </Investigation_Area>
        <Observing_System>
            <Observing_System_Component>
                <name>Cosmic Ray Telescope (CRT)</name>
                <type>Instrument</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument:crt.p11</lid_reference>
                    <reference_type>is_instrument</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
            <Observing_System_Component>
                <name>Pioneer 11</name>
                <type>Host</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.p11</lid_reference>
                    <reference_type>is_instrument_host</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
        </Observing_System>
        <Target_Identification>
            <name>Solar Wind</name>
            <type>Plasma Stream</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:target:plasma_stream.solar_wind</lid_reference>
                <reference_type>data_to_target</reference_type>
            </Internal_Reference>
        </Target_Identification>
        <Target_Identification>
            <name>Jupiter</name>
            <type>Planet</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:target:planet.jupiter</lid_reference>
                <reference_type>data_to_target</reference_type>
            </Internal_Reference>
        </Target_Identification>
        <Discipline_Area>
            <msn:Mission_Information>
                <msn:mission_phase_name>Earth-Jupiter Cruise</msn:mission_phase_name>
                <msn:mission_phase_name>Jupiter Encounter</msn:mission_phase_name>
            </msn:Mission_Information>
            <particle:Particle_Observation>
                <particle:energy_range_minimum unit="keV">50</particle:energy_range_minimum>
                <particle:energy_range_maximum unit="MeV">21</particle:energy_range_maximum>
                <particle:Particle_Parameter>
                    <particle:particle_type>Electrons</particle:particle_type>
                    <particle:particle_measurement_type>Flux</particle:particle_measurement_type>
                </particle:Particle_Parameter>
                <particle:Particle_Parameter>
                    <particle:particle_type>Ions</particle:particle_type>
                    <particle:particle_measurement_type>Flux</particle:particle_measurement_type>
                    <particle:ion_type>Proton</particle:ion_type>
                    <particle:ion_type>Heavy</particle:ion_type>
                    <particle:ion_type>Alpha</particle:ion_type>
                </particle:Particle_Parameter>
            </particle:Particle_Observation>
        </Discipline_Area>
    </Observation_Area>
    <Reference_List>
        <Internal_Reference>
            <lidvid_reference>urn:nasa:pds:p11-crt-cal:document:15min-data-desc::1.0</lidvid_reference>
            <reference_type>data_to_document</reference_type>
        </Internal_Reference>
        <Source_Product_External>
            <external_source_product_identifier>P11-J-CRT-4-SUMM-FLUX-15MIN-V1.0:P11_CRT_JUP_15MIN_HET:P11_CRT_JUP_15MIN_HET.TAB</external_source_product_identifier>
            <reference_type>data_to_calibrated_source_product</reference_type>
            <doi>10.17189/1519779</doi>
            <curating_facility>PDS Planetary Plasma Interactions Node</curating_facility>
            <description>This is the first version of this product converted to PDS4. The DOI provided
                references the PDS3 source data set.</description>
        </Source_Product_External>
    </Reference_List>
    <File_Area_Observational>
        <File>
            <file_name>P11_CRT_JUP_15MIN_HET.TAB</file_name>
            <creation_date_time>2003-05-22T00:00:00.000Z</creation_date_time>
            <file_size unit="byte">116160</file_size>
            <md5_checksum>f5489310eebc56f97f823f4ab2e2e256</md5_checksum>
            <comment>This data file is unmodified from the PDS3 version.</comment>
        </File>
        <Table_Character>
            <offset unit="byte">0</offset>
            <records>1056</records>
            <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
            <Record_Character>
                <fields>7</fields>
                <groups>0</groups>
                <record_length unit="byte">110</record_length>
                <Field_Character> 
                    <name>START TIME</name>
                    <field_number>1</field_number>
                    <field_location unit="byte">1</field_location>
                    <data_type>ASCII_Date_Time_YMD</data_type>
                    <field_length unit="byte">23</field_length>
                    <field_format>%23s</field_format>
                    <description>                                             
      Spacecraft event time (UT) at which the particle counting begins.       
      Time is given in the format of `yyyy-mm-ddThh:mm:ss.sss'.</description>
                </Field_Character>
                <Field_Character> 
                    <name>R6A_FLUX</name>
                    <field_number>2</field_number>
                    <field_location unit="byte">26</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">13</field_length>
                    <field_format>%13.6e</field_format>
                    <unit>1/(cm**2*sec*sr)</unit>
                    <description>                                             
      Flux measured in HET energy channel R6A (1.8-3.2 MeV electrons).        
      The coincidence logic for this channel is A1.^A2.B.^C1.</description>
                    <Special_Constants>
                        <invalid_constant>-1</invalid_constant>
                        <valid_maximum>1.000000E+07</valid_maximum>
                        <valid_minimum>-0.9999</valid_minimum>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>R6A_FLUX_UNCERTAINTY</name>
                    <field_number>3</field_number>
                    <field_location unit="byte">40</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">13</field_length>
                    <field_format>%13.6e</field_format>
                    <unit>1/(cm**2*sec*sr)</unit>
                    <description>                                             
      Flux uncertainty for channel R6A.</description>
                    <Special_Constants>
                        <invalid_constant>-1</invalid_constant>
                        <valid_maximum>1.000000E+04</valid_maximum>
                        <valid_minimum>-0.9999</valid_minimum>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>R6B_FLUX</name>
                    <field_number>4</field_number>
                    <field_location unit="byte">54</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">13</field_length>
                    <field_format>%13.6e</field_format>
                    <unit>1/(cm**2*sec*sr)</unit>
                    <description>                                             
      Flux measured in HET energy channel R6B (3.2-5.1 MeV electrons).        
      The coincidence logic for this channel is A1.^A2.B.C1.^C2.</description>
                    <Special_Constants>
                        <invalid_constant>-1</invalid_constant>
                        <valid_maximum>1.000000E+07</valid_maximum>
                        <valid_minimum>-0.9999</valid_minimum>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>R6B_FLUX_UNCERTAINTY</name>
                    <field_number>5</field_number>
                    <field_location unit="byte">68</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">13</field_length>
                    <field_format>%13.6e</field_format>
                    <unit>1/(cm**2*sec*sr)</unit>
                    <description>                                             
      Flux uncertainty for channel R6B.</description>
                    <Special_Constants>
                        <invalid_constant>-1</invalid_constant>
                        <valid_maximum>1.000000E+04</valid_maximum>
                        <valid_minimum>-0.9999</valid_minimum>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>R7A_FLUX</name>
                    <field_number>6</field_number>
                    <field_location unit="byte">82</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">13</field_length>
                    <field_format>%13.6e</field_format>
                    <unit>1/(cm**2*sec*sr)</unit>
                    <description>                                             
      Flux measured in HET energy channel R7A (5.1-8.0 MeV electrons).        
      The coincidence logic for this channel is A1.^A2.B.C1.C2.^C3.</description>
                    <Special_Constants>
                        <invalid_constant>-1</invalid_constant>
                        <valid_maximum>1.000000E+07</valid_maximum>
                        <valid_minimum>-0.9999</valid_minimum>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>R7A_FLUX_UNCERTAINTY</name>
                    <field_number>7</field_number>
                    <field_location unit="byte">96</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">13</field_length>
                    <field_format>%13.6e</field_format>
                    <unit>1/(cm**2*sec*sr)</unit>
                    <description>                                             
      Flux uncertainty for channel R7A.</description>
                    <Special_Constants>
                        <invalid_constant>-1</invalid_constant>
                        <valid_maximum>1.000000E+04</valid_maximum>
                        <valid_minimum>-0.9999</valid_minimum>
                    </Special_Constants>
                </Field_Character>
            </Record_Character>
        </Table_Character>
    </File_Area_Observational>
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