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    <Identification_Area>
        <logical_identifier>urn:nasa:pds:p11-gtt-cal</logical_identifier>
        <version_id>1.0</version_id>
        <title>Pioneer 11 Geiger Tube Telescope Calibrated Data Bundle</title>
        <information_model_version>1.25.0.0</information_model_version>
        <product_class>Product_Bundle</product_class>
        <Citation_Information>
            <publication_year>2001</publication_year>
            <doi>10.17189/yc0k-dr29</doi>
            <description>This bundle contains time-tagged measurements of energetic
                charged particles in space. The bundle consists of particle count rates
                detected by multiple Geiger–Müller tubes arranged in 
                coincidence channels with different energy thresholds on 
                Pioneer 11 during the Jupiter and Saturn encounter.</description>
            <List_Author>
                <Person>
                    <given_name>James Alfred</given_name>
                    <family_name>Van Allen</family_name>
                    <sequence_number>1</sequence_number>
                    <Affiliation>
                        <organization_name>University of Iowa</organization_name>
                        <organization_rorid>https://ror.org/036jqmy94</organization_rorid>
                        <sequence_number>1</sequence_number>
                    </Affiliation>
                </Person>
            </List_Author>
        </Citation_Information>
        <Modification_History>
            <Modification_Detail>
                <modification_date>2026-04-08</modification_date>
                <version_id>1.0</version_id>
                <description>Original P11-J-GTT-3-RDR-HIGHRES-V1.0(https://doi.org/10.17189/1519782)
                    and P11-S-GTT-3-RDR-HIGHRES-V1.0 (https://doi.org/10.17189/1522451) dataset migrated to PDS4..</description>
            </Modification_Detail>
        </Modification_History>
    </Identification_Area>
    <Context_Area>
        <Time_Coordinates>
            <start_date_time>1973-04-05T16:00:00.000Z</start_date_time>
            <stop_date_time>1995-01-23T15:31:46.696Z</stop_date_time>
        </Time_Coordinates>
        <Primary_Result_Summary>
            <purpose>Science</purpose>
            <processing_level>Calibrated</processing_level>
            <Science_Facets>
                <domain>Heliosphere</domain>
                <discipline_name>Particles</discipline_name>
                <facet1>Electrons</facet1>
                <facet2>Energetic</facet2>
            </Science_Facets>
            <Science_Facets>
                <domain>Heliosphere</domain>
                <discipline_name>Particles</discipline_name>
                <facet1>Ions</facet1>
                <facet2>Energetic</facet2>
            </Science_Facets>
            <Science_Facets>
                <domain>Heliosphere</domain>
                <discipline_name>Particles</discipline_name>
                <facet1>Electrons</facet1>
                <facet2>Cosmic Ray</facet2>
            </Science_Facets>
            <Science_Facets>
                <domain>Heliosphere</domain>
                <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>bundle_to_investigation</reference_type>
            </Internal_Reference>
        </Investigation_Area>
        <Observing_System>
            <Observing_System_Component>
                <name>Geiger Tube Telescope (GTT)</name>
                <type>Instrument</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument:gtt.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>Jupiter</name>
            <type>Planet</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:target:planet.jupiter</lid_reference>
                <reference_type>bundle_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>bundle_to_target</reference_type>
            </Internal_Reference>
        </Target_Identification>
        <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>bundle_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_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:energy_range_minimum unit="MeV">0.04</particle:energy_range_minimum>
                <particle:energy_range_maximum unit="MeV">31</particle:energy_range_maximum>
                <particle:Particle_Parameter>
                    <particle:particle_type>Electrons</particle:particle_type>
                    <particle:particle_measurement_type>Count Rate</particle:particle_measurement_type>
                </particle:Particle_Parameter>
            </particle:Particle_Observation>            
            <particle:Particle_Observation>
                <particle:energy_range_minimum unit="MeV">0.618</particle:energy_range_minimum>
                <particle:energy_range_maximum unit="MeV">80</particle:energy_range_maximum>
                <particle:Particle_Parameter>
                    <particle:particle_type>Ions</particle:particle_type>
                    <particle:particle_measurement_type>Count Rate</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">0.04</particle:energy_range_minimum>
                <particle:energy_range_maximum unit="MeV">31</particle:energy_range_maximum>
                <particle:Particle_Parameter>
                    <particle:particle_type>Electrons</particle:particle_type>
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            <particle:Particle_Observation>
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    </Context_Area>
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            <doi>10.17189/1519782</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>
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            <doi>10.17189/1522451</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>
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        <bundle_type>Archive</bundle_type>
        <description>Pioneer 11 Geiger Tube Telescope Calibrated Data Bundle</description>
    </Bundle>
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            <creation_date_time>2026-03-12T09:39:45</creation_date_time>  
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        <lidvid_reference>urn:nasa:pds:p11-gtt-cal:data-15min::1.0</lidvid_reference>
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