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  <Instrument>
    <ResourceID>spase://CNES/Instrument/CDPP-AMDA/Voyager2/PLS</ResourceID>
    <ResourceHeader>
      <ResourceName>PLS</ResourceName>
      <AlternateName>Plasma Spectrometer</AlternateName>
      <ReleaseDate>2009-05-20T21:10:14Z</ReleaseDate>
      <Description>The plasma investigation made use of two Faraday-cup detectors, one pointed along the earth-spacecraft line and one at right angles to this line. The earth-pointing detector determined the macroscopic properties of the plasma ions, obtaining accurate values of their velocity, density, and pressure. Three sequential energy scans were employed with (delta E)/E equal to 29, 7.2, and 1.8%, allowing a coverage from subsonic to highly supersonic flow. The side-looking Faraday cup measured electrons in the energy range from 5 eV to 1 keV.</Description>
      <Contact>
        <PersonID>spase://SMWG/Person/John.D.Richardson</PersonID>
        <Role>PrincipalInvestigator</Role>
      </Contact>
      <InformationURL>
        <Name>NSSDC's Master Catalog</Name>
        <URL>http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=1977-076A&amp;ex=6</URL>
        <Description>Information about the Plasma Spectrometer (PLS) experiment on the Voyager 2 mission.</Description>
      </InformationURL>
    </ResourceHeader>
    <InstrumentType>FaradayCup</InstrumentType>
    <InvestigationName>Plasma Spectrometer (PLS) on Voyager 2</InvestigationName>

    <ObservatoryID>spase://CNES/Observatory/CDPP-AMDA/Voyager2</ObservatoryID>

  </Instrument>
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