<Spase xmlns="http://www.spase-group.org/data/schema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.spase-group.org/data/schema http://www.spase-group.org/data/schema/spase-2_2_9.xsd">
  <Version>2.2.9</Version>
  <NumericalData>
    <ResourceID>spase://NASA/NumericalData/Voyager2/Plasma/P1D</ResourceID>
    <ResourceHeader>
      <ResourceName>Voyager 2 Plasma Data Daily Resolution</ResourceName>
      <ReleaseDate>2021-03-11T18:39:11Z</ReleaseDate>
      <Description>Daily averages of Voyager 2 Plasma Data. 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 5eV to 1 keV.</Description>
      <Acknowledgement>Principle Investigator John W. Belcher, Massachusetts Institute of Technology as well as the National Space Science Data Center</Acknowledgement>
      <Contact>
        <PersonID>spase://SMWG/Person/John.W.Belcher</PersonID>
        <Role>PrincipalInvestigator</Role>
      </Contact>
      <InformationURL>
        <Name>Data set description page at SPDF</Name>
        <URL>https://spdf.gsfc.nasa.gov/pub/data/voyager/voyager2/plasma/vy2pla_nmc.txt</URL>
      </InformationURL>
      <PriorID>spase://VHO/NumericalData/Voyager2/Plasma/P1D</PriorID>
        <PriorID>spase://VSPO/NumericalData/Voyager2/Plasma/P1D</PriorID>
    </ResourceHeader>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <AccessURL>
        <Name>FTPS from SPDF (not with most browsers)</Name>
        <URL>ftps://spdf.gsfc.nasa.gov/pub/data/voyager/voyager2/plasma/daily/</URL>
      </AccessURL>
      <Format>Text.ASCII</Format>
    </AccessInformation>
    <InstrumentID>spase://SMWG/Instrument/Voyager2/PLS</InstrumentID>
    <MeasurementType>ThermalPlasma</MeasurementType>
    <TemporalDescription>
      <TimeSpan>
        <StartDate>1977-01-01T00:00:00</StartDate>
        <StopDate>2000-12-31T23:59:59</StopDate>
      </TimeSpan>
      <Cadence>P1D</Cadence>
    </TemporalDescription>
    <ObservedRegion>Heliosphere.NearEarth</ObservedRegion>
    <ObservedRegion>Heliosphere.Outer</ObservedRegion>
    <Parameter>
      <Name>Decimal Year</Name>
      <ParameterKey>Column_1</ParameterKey>
      <Description>Decimal Year</Description>
      <Support>
        <SupportQuantity>Temporal</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Day</Name>
      <ParameterKey>Column_2</ParameterKey>
      <Description>Day of Year</Description>
      <Support>
        <SupportQuantity>Temporal</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Sun-Earth Angle</Name>
      <ParameterKey>Column_3</ParameterKey>
      <Description>Voyager 2 Sun-Earth Angle</Description>
      <Support>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>V2 Heliolatitude</Name>
      <ParameterKey>Column_4</ParameterKey>
      <Description>Voyager 2 Heliolatitude</Description>
      <Support>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Earth Heliolatitude</Name>
      <ParameterKey>Column_5</ParameterKey>
      <Description>Earth Heliolatitude</Description>
      <Support>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>V2 Heliolongitude</Name>
      <ParameterKey>Column_6</ParameterKey>
      <Description>Voyager 2 Heliolongitude</Description>
      <Support>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Earth Heliolongitude</Name>
      <ParameterKey>Column_7</ParameterKey>
      <Description>Earth Heliolongitude</Description>
      <Support>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>VR</Name>
      <ParameterKey>Column_8</ParameterKey>
      <Description>Solar Wind Velocity R Component</Description>
      <CoordinateSystem>
        <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
        <CoordinateSystemName>RTN</CoordinateSystemName>
      </CoordinateSystem>
      <Particle>
        <ParticleType>Ion</ParticleType>
        <Qualifier>Component.I</Qualifier>
        <ParticleQuantity>Velocity</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>VT</Name>
      <ParameterKey>Column_9</ParameterKey>
      <Description>Solar Wind Velocity T Component</Description>
      <CoordinateSystem>
        <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
        <CoordinateSystemName>RTN</CoordinateSystemName>
      </CoordinateSystem>
      <Particle>
        <ParticleType>Ion</ParticleType>
        <Qualifier>Component.J</Qualifier>
        <ParticleQuantity>Velocity</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>VN</Name>
      <ParameterKey>Column_10</ParameterKey>
      <Description>Solar Wind Velocity N Component</Description>
      <CoordinateSystem>
        <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
        <CoordinateSystemName>RTN</CoordinateSystemName>
      </CoordinateSystem>
      <Particle>
        <ParticleType>Ion</ParticleType>
        <Qualifier>Component.K</Qualifier>
        <ParticleQuantity>Velocity</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Density, moment</Name>
      <ParameterKey>Column_11</ParameterKey>
      <Units>cm-3</Units>
      <Particle>
        <ParticleType>Ion</ParticleType>
        <Qualifier>Moment</Qualifier>
        <ParticleQuantity>NumberDensity</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Density, fit</Name>
      <ParameterKey>Column_12</ParameterKey>
      <Caveats>Data provider suggests that these are the best values to use.</Caveats>
      <Units>cm-3</Units>
      <Particle>
        <ParticleType>Ion</ParticleType>
        <Qualifier>Fit</Qualifier>
        <ParticleQuantity>NumberDensity</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Thermal Speed, moment</Name>
      <ParameterKey>Column_13</ParameterKey>
      <Units>km/s</Units>
      <Particle>
        <ParticleType>Ion</ParticleType>
        <Qualifier>Moment</Qualifier>
        <ParticleQuantity>ThermalSpeed</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Thermal Speed, fit</Name>
      <ParameterKey>Column_14</ParameterKey>
      <Caveats>Data provider suggests that these are the best values to use.</Caveats>
      <Units>km/s</Units>
      <Particle>
        <ParticleType>Ion</ParticleType>
        <Qualifier>Fit</Qualifier>
        <ParticleQuantity>ThermalSpeed</ParticleQuantity>
      </Particle>
    </Parameter>
    <Parameter>
      <Name>Radial Distance</Name>
      <ParameterKey>Column_15</ParameterKey>
      <Description>Distance from Sun</Description>
      <Units>AU</Units>
      <Support>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
  </NumericalData>
</Spase>