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    <gcmd:termsOfUse>https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf</gcmd:termsOfUse>
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    <gcmd:schemeVersion>2026-04-15T10:53:30.610Z</gcmd:schemeVersion>
    <gcmd:viewer>https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/instruments/688f088b-7ae9-45c3-abc4-cdb881a8fec3</gcmd:viewer>
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    <skos:prefLabel xml:lang="en">GPSP</skos:prefLabel>
    <skos:definition xml:lang="en">The GPSP is a tracking system that receives dual-frequency navigation signals continuously and simultaneously from 16 GPS satellites to determine the exact position of a transmitter. The GPSP supports precise orbit determination by the Doris system. It also helps to improve gravity field models and provides data for satellite positioning accurate to about 50 meters and 50 nanoseconds.Additional information on the GPSP is available on the AVISO site. http://www.aviso.oceanobs.com/en/missions/future-missions/jason-2/instruments/gpsp/index.html[Description Source:  NASA JPL Ocean Surface Topography from Space Home Page]Group: Instrument_Details   Entry_ID: GPSP   Group: Instrument_Identification      Instrument_Category: Earth Remote Sensing Instruments      Instrument_Class: Passive Remote Sensing      Instrument_Type: Positioning/Navigation      Instrument_Subtype: GPS      Short_Name: GPSP      Long_Name: Global Positioning System Payload   End_Group   Group: Associated_Platforms      Short_Name: OSTM/JASON-2   End_Group   Online_Resource: http://sealevel.jpl.nasa.gov/mission/ostm-sc-inst.html   Online_Resource: http://www.aviso.oceanobs.com/en/missions/current-missions/jason-2/instruments/gpsp/index.html   Sample_Image: http://sealevel.jpl.nasa.gov/gallery/spacecraft/images/OSTM-2006_12_19_gpsp-br.jpg   Creation_Date: 2008-07-10   Group: Instrument_Logistics      Instrument_Owner: USA/NASA   End_GroupEnd_Group</skos:definition>
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    <gcmd:altLabel gcmd:text="Global Positioning System Payload" xml:lang="en" gcmd:category="primary"/>
    <gcmd:resource gcmd:url="http://sealevel.jpl.nasa.gov/gallery/spacecraft/images/OSTM-2006_12_19_gpsp-br.jpg" gcmd:type="IMAGE"/>
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