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<Product_Observational
   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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    <Identification_Area>
        <logical_identifier>urn:nasa:pds:p11-hvm-pa-crt-cal:data-merged-1hour:p11_1979</logical_identifier>
        <version_id>1.0</version_id>
        <title>Pioneer 11 Calibrated HVM PA CRT 1 Hour Data for 1979</title>
        <information_model_version>1.23.0.0</information_model_version>
        <product_class>Product_Observational</product_class>
        <Citation_Information>
            <publication_year>2025</publication_year>
            <description>                                             
                This file contains Pioneer 11 hourly averages of 
                HVM, PA, CRT and heliocentric trajectory data from the
                interplanetary solar wind and Saturn encounter period
                for the year 1979.</description>
            <List_Author>
                <Person>
                    <given_name>Edward J.</given_name>
                    <family_name>Smith</family_name>
                    <Affiliation>
                        <organization_name>Jet Propulsion Laboratory</organization_name>
                        <organization_rorid>https://ror.org/027k65916</organization_rorid>
                        <sequence_number>1</sequence_number>
                    </Affiliation>
                </Person>
                <Person>
                    <given_name>Aaron</given_name>
                    <family_name>Barnes</family_name>
                    <Affiliation>
                        <organization_name>NASA Ames Research Center</organization_name>
                        <organization_rorid>https://ror.org/02acart68</organization_rorid>
                        <sequence_number>1</sequence_number>
                    </Affiliation>
                </Person>
                <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>
            </List_Author>
        </Citation_Information>
        <Modification_History>
            <Modification_Detail>
                <modification_date>2025-05-09</modification_date>
                <version_id>1.0</version_id>
                <description>A portion of these data were obtained from NSSDCA and these are first 
                    released from PDS. 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>1979-01-01T00:00:00.000Z</start_date_time>
            <stop_date_time>1979-12-31T00:00:00.000Z</stop_date_time>
        </Time_Coordinates>
        <Primary_Result_Summary>
            <purpose>Science</purpose>
            <processing_level>Calibrated</processing_level>
            <Science_Facets>
                <discipline_name>Fields</discipline_name>
                <facet1>Magnetic</facet1>
                <facet2>Background</facet2>
            </Science_Facets>
            <Science_Facets>
                <discipline_name>Particles</discipline_name>
                <facet1>Ions</facet1>
                <facet2>Plasma</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>Helium Vector Magnetometer (HVM)</name>
                <type>Instrument</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument:hvm.p11</lid_reference>
                    <reference_type>is_instrument</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
            <Observing_System_Component>
                <name>Quadraspherical Plasma Analyzer (PA)</name>
                <type>Instrument</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument:pa.p11</lid_reference>
                    <reference_type>is_instrument</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
            <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>Saturn</name>
            <type>Planet</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:target:planet.saturn</lid_reference>
                <reference_type>data_to_target</reference_type>
            </Internal_Reference>
        </Target_Identification>
        <Discipline_Area>
            <msn:Mission_Information>
                <msn:mission_phase_name>Jupiter-Saturn Cruise</msn:mission_phase_name>
                <msn:mission_phase_name>Saturn Encounter</msn:mission_phase_name>
                <msn:mission_phase_name>Post-Saturn Cruise</msn:mission_phase_name>
            </msn:Mission_Information>
            <particle:Particle_Observation>
                <particle:Particle_Parameter>
                    <particle:particle_type>Ions</particle:particle_type>
                    <particle:particle_measurement_type>Velocity</particle:particle_measurement_type>
                    <particle:ion_type>Proton</particle:ion_type>
                </particle:Particle_Parameter>
                <particle:Particle_Parameter>
                    <particle:particle_type>Ions</particle:particle_type>
                    <particle:particle_measurement_type>Density</particle:particle_measurement_type>
                    <particle:ion_type>Proton</particle:ion_type>
                </particle:Particle_Parameter>
                <particle:Particle_Parameter>
                    <particle:particle_type>Ions</particle:particle_type>
                    <particle:particle_measurement_type>Temperature</particle:particle_measurement_type>
                    <particle:ion_type>Proton</particle:ion_type>
                </particle:Particle_Parameter>
            </particle:Particle_Observation>
            <particle:Particle_Observation>
                <particle:energy_range_minimum unit="MeV">3.45</particle:energy_range_minimum>
                <particle:energy_range_maximum unit="MeV">227.3</particle:energy_range_maximum>
                <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:Particle_Parameter>
            </particle:Particle_Observation>
        </Discipline_Area>
    </Observation_Area>
    <Reference_List>
        <Internal_Reference>
            <lidvid_reference>urn:nasa:pds:p11-hvm-pa-crt-cal:document:data-desc-merged-1hour::1.0</lidvid_reference>
            <reference_type>data_to_document</reference_type>
        </Internal_Reference>
        <Source_Product_External>
            <external_source_product_identifier>P11-S-HVM-PA-4-MERGED-ENC-1HR-V1.0:P11_SAT_HVM_PA_1HR_MERGED.TAB</external_source_product_identifier>
            <reference_type>data_to_calibrated_source_product</reference_type>
            <doi>10.17189/1519800</doi>
            <curating_facility>PDS Planetary Plasma Interactions Node</curating_facility>
            <description>A portion of the data were obtained from NSSDCA and these are the first 
                released from PDS. The DOI provided references the PDS3 source data set.</description>
        </Source_Product_External>
    </Reference_List>
    <File_Area_Observational>
        <File>
            <file_name>p11_1979.TAB</file_name>
            <creation_date_time>2025-05-07T00:00:00.000Z</creation_date_time>
            <file_size unit="byte">1296480</file_size>
            <md5_checksum>58da53576a493b14b83ce024fd38ad03</md5_checksum>
            <comment>This data file is unmodified from the PDS3 version.</comment>
        </File>
        <Table_Character>
            <offset unit="byte">0</offset>
            <records>8760</records>
            <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
            <Record_Character>
                <fields>18</fields>
                <groups>0</groups>
                <record_length unit="byte">148</record_length>
                <Field_Character> 
                    <name>Year</name>
                    <field_number>1</field_number>
                    <field_location unit="byte">1</field_location>
                    <data_type>ASCII_Date_DOY</data_type>
                    <field_length unit="byte">4</field_length>
                    <field_format>%4d</field_format>
                    <description>Year (YYYY)</description>
                </Field_Character>
                <Field_Character> 
                    <name>DecimalDay</name>
                    <field_number>2</field_number>
                    <field_location unit="byte">6</field_location>
                    <data_type>ASCII_Integer</data_type>
                    <field_length unit="byte">3</field_length>
                    <field_format>%3d</field_format>
                    <description>Decimal Day of Year (January 1 =Day 1)</description>
                </Field_Character>
                <Field_Character> 
                    <name>Hour</name>
                    <field_number>3</field_number>
                    <field_location unit="byte">10</field_location>
                    <data_type>ASCII_Integer</data_type>
                    <field_length unit="byte">2</field_length>
                    <field_format>%2d</field_format>
                    <description>Hour of Day (0 - 23)</description>
                </Field_Character>
                <Field_Character> 
                    <name>Distance</name>
                    <field_number>4</field_number>
                    <field_location unit="byte">13</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">6</field_length>
                    <field_format>%6.2f</field_format>
                    <unit>AU</unit>
                    <description>Spacecraft Heliocentric Distance.</description>
                    <Special_Constants>
                        <invalid_constant>999.99</invalid_constant>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>Latitude</name>
                    <field_number>5</field_number>
                    <field_location unit="byte">20</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">6</field_length>
                    <field_format>%6.1f</field_format>
                    <unit>deg</unit>
                    <description>Heliographic Inertial Latitude, +/- 90.</description>
                    <Special_Constants>
                        <invalid_constant>9999.9</invalid_constant>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>Longitude</name>
                    <field_number>6</field_number>
                    <field_location unit="byte">27</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">6</field_length>
                    <field_format>%6.1f</field_format>
                    <unit>deg</unit>
                    <description>Heliographic Inertial Longitude, 0-360.</description>
                    <Special_Constants>
                        <invalid_constant>9999.9</invalid_constant>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>BRRTN</name>
                    <field_number>7</field_number>
                    <field_location unit="byte">34</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">8</field_length>
                    <field_format>%9.4f</field_format>
                    <unit>nT</unit>
                    <description>BR RTN Coordinate System.</description>
                    <Special_Constants>
                        <invalid_constant>999.9999</invalid_constant>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>BTRTN</name>
                    <field_number>8</field_number>
                    <field_location unit="byte">43</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">8</field_length>
                    <field_format>%9.4f</field_format>
                    <unit>nT</unit>
                    <description>BT RTN Coordinate System.</description>
                    <Special_Constants>
                        <invalid_constant>999.9999</invalid_constant>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>BNRTN</name>
                    <field_number>9</field_number>
                    <field_location unit="byte">52</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">8</field_length>
                    <field_format>%8.4f</field_format>
                    <unit>nT</unit>
                    <description>BN RTN Coordinate System.</description>
                    <Special_Constants>
                        <invalid_constant>999.9999</invalid_constant>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>BMag</name>
                    <field_number>10</field_number>
                    <field_location unit="byte">61</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">8</field_length>
                    <field_format>%8.4f</field_format>
                    <unit>nT</unit>
                    <description>Scalar B.</description>
                    <Special_Constants>
                        <invalid_constant>999.9999</invalid_constant>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>FlowSpeed</name>
                    <field_number>11</field_number>
                    <field_location unit="byte">70</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">6</field_length>
                    <field_format>%6.1f</field_format>
                    <unit>km/s</unit>
                    <description>Proton Bulk Flow Speed
                        (RTN-cordinate system). 
                        Measured by the PA intrument</description>
                    <Special_Constants>
                        <invalid_constant>9999.9</invalid_constant>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>THETA</name>
                    <field_number>12</field_number>
                    <field_location unit="byte">77</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">6</field_length>
                    <field_format>%6.1f</field_format>
                    <unit>deg</unit>
                    <description>Elevation angle of flow velocity vector
                       (RTN-cordinate system). 
                        Measured by the PA intrument</description>
                    <Special_Constants>
                        <invalid_constant>9999.9</invalid_constant>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>PHI</name>
                    <field_number>13</field_number>
                    <field_location unit="byte">84</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">6</field_length>
                    <field_format>%6.1f</field_format>
                    <unit>deg</unit>
                    <description>Azimuth angle of flow velocity vector
                       (RTN-coordinate system). 
                       Measured by the PA intrument.</description>
                    <Special_Constants>
                        <invalid_constant>9999.9</invalid_constant>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>Density</name>
                    <field_number>14</field_number>
                    <field_location unit="byte">91</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">8</field_length>
                    <field_format>%8.4f</field_format>
                    <unit>n/cc</unit>
                    <description>Proton Density measured by the PA intrument</description>
                    <Special_Constants>
                        <invalid_constant>999.9999</invalid_constant>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>Temperature</name>
                    <field_number>15</field_number>
                    <field_location unit="byte">100</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">8</field_length>
                    <field_format>%8f</field_format>
                    <unit>deg</unit>
                    <description>Proton Temperature measured by the PA intrument</description>
                    <Special_Constants>
                        <invalid_constant>9999999.</invalid_constant>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>HFlux</name>
                    <field_number>16</field_number>
                    <field_location unit="byte">109</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">12</field_length>
                    <field_format>%12.10e</field_format>
                    <unit>Temp</unit>
                    <description>Proton flux measured by the CRT intrument
                        in the energy range 3.45-5.15 MeV H</description>
                    <Special_Constants>
                        <invalid_constant>9.999999e+06</invalid_constant>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>HFlux</name>
                    <field_number>17</field_number>
                    <field_location unit="byte">122</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">12</field_length>
                    <field_format>%12.10e</field_format>
                    <unit>Temp</unit>
                    <description>Proton flux measured by the CRT intrument
                        in the energy range 30.55-56.47 MeV</description>
                    <Special_Constants>
                        <invalid_constant>9.999999e+06</invalid_constant>
                    </Special_Constants>
                </Field_Character>
                <Field_Character> 
                    <name>HFlux</name>
                    <field_number>18</field_number>
                    <field_location unit="byte">135</field_location>
                    <data_type>ASCII_Real</data_type>
                    <field_length unit="byte">12</field_length>
                    <field_format>%12.10e</field_format>
                    <unit>Temp</unit>
                    <description>Proton flux measured by the CRT intrument
                        in the energy range 120.7-227.3 MeV</description>
                    <Special_Constants>
                        <invalid_constant>9.999999e+06</invalid_constant>
                    </Special_Constants>
                </Field_Character>
            </Record_Character>
        </Table_Character>
    </File_Area_Observational>
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