<?xml version="1.0" encoding="UTF-8"?>
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  <Version>2.2.6</Version>
  <Observatory>
    <ResourceID>spase://CNES/Observatory/CDPP-AMDA/AMPTE</ResourceID>
    <ResourceHeader>
      <ResourceName>AMPTE</ResourceName>
      <AlternateName>Active Magnetospheric Particle Tracer Explorers</AlternateName>
      <ReleaseDate>2019-05-05T12:34:56Z</ReleaseDate>
      <Description>
        The Active Magnetospheric Particle Tracer Explorers (AMPTE) program was designed to study the access of solar-wind ions to the magnetosphere, the convective-diffusive transport and energization of magnetospheric particles, and the interactions of plasmas in space.
        The mission consisted of three spacecraft: the CCE; the IRM, which provided multiple ion releases in the solar wind, the magnetosheath, and the magnetotail, with in situ diagnostics of each; and the UKS, which uses thrusters to keep station near the IRM to provide two-point local measurements. 
        The CCE (Charge Composition Explorer) spacecraft was instrumented to detect those lithium and barium tracer ions from the IRM releases that were transported into the magnetosphere within the CCE orbit.
        The spacecraft was spin-stabilized at 10 rpm, with its spin axis in the equatorial plane, and offset from the earth-sun line by about 20 deg. 
        It could adjust attitude with both magnetic torquing and cold gas thrusters.
      </Description>
      <Acknowledgement>Please acknowledge the AMPTE Program</Acknowledgement>
      <Contact>
        <PersonID>spase://SMWG/Person/Richard.W.McEntire</PersonID>
        <Role>PrincipalInvestigator</Role>
      </Contact>
      <InformationURL>
        <Name>JHU/APL Science Data Center (SDC) for the AMPTE spacecraft</Name>
        <URL>http://sd-www.jhuapl.edu/AMPTE/</URL>
      </InformationURL>
      <InformationURL>
        <Name>NSSDC Master Catalog</Name>
        <URL>https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1984-088A</URL>
      </InformationURL>
    </ResourceHeader>
    <ObservatoryGroupID>spase://CNES/Observatory/CDPP-AMDA/AMPTE</ObservatoryGroupID>
    <Location>
      <ObservatoryRegion>Earth.Magnetosheath</ObservatoryRegion>
      <ObservatoryRegion>Earth.Magnetosphere</ObservatoryRegion>
      <ObservatoryRegion>Earth.Magnetosphere.Magnetotail</ObservatoryRegion>   
      <ObservatoryRegion>Heliosphere.NearEarth</ObservatoryRegion>
    </Location>
    <OperatingSpan>
      <StartDate>1984-08-16T07:31:00</StartDate>
      <StopDate>1989-01-11T12:00:00</StopDate>
    </OperatingSpan>
  </Observatory>
</Spase>