<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/PioneerVenusOrbiter/Ephemeris/P1D</ResourceID>
      <ResourceHeader>
         <ResourceName>Pioneer Venus Orbiter(PVO) Daily Trajectory Data</ResourceName>
         <ReleaseDate>2021-03-11T18:39:11Z</ReleaseDate>
         <Description>This data set contains trajectory data from the Pioneer Venus Orbiter. It includes the radial distance of Venus from the sun, and solar ecliptic coordinates of Venus with respect to true equinox and ecliptic of date.</Description>
         <Acknowledgement>Please acknowledge the Principal Investigator and SPDF.</Acknowledgement>
         <Contact>
            <PersonID>spase://SMWG/Person/Adam.Szabo</PersonID>
            <Role>MetadataContact</Role>
         </Contact>
         <Contact>
            <PersonID>spase://SMWG/Person/Lawrence.Colin</PersonID>
            <Role>ProjectScientist</Role>
         </Contact>
         <Contact>
            <PersonID>spase://SMWG/Person/Tamara.J.Kovalick</PersonID>
            <Role>GeneralContact</Role>
         </Contact>
         <InformationURL>
            <Name>Readme file from SPDF</Name>
            <URL>https://spdf.gsfc.nasa.gov/pub/data/pioneer/pioneer_venus/traj/pvotrjdy_fmt.txt</URL>
         </InformationURL>
         <PriorID>spase://VHO/NumericalData/Pioneer_Venus/Ephemeris/P1D</PriorID>
         <PriorID>spase://VSPO/NumericalData/PioneerVenusOrbiter/Ephemeris/PT24H</PriorID>
          <PriorID>spase://VSPO/NumericalData/PioneerVenusOrbiter/Ephemeris/P1D</PriorID>
      </ResourceHeader>
      <AccessInformation>
         <RepositoryID>spase://SMWG/Repository/NASA/GSFC/VHO-VMO</RepositoryID>
         <Availability>Online</Availability>
         <AccessRights>Open</AccessRights>
         <AccessURL>
            <Name>VHO Repository</Name>
            <URL>https://vho.nasa.gov/mission/pvo/ephemeris/</URL>
            <Description>VHO holdings of PVO ephemeris</Description>
         </AccessURL>
         <Format>Text</Format>
         <Encoding>ASCII</Encoding>
      </AccessInformation>
      <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/pioneer/pioneer_venus/traj/pvotrja.asc</URL>
            <Description>for daily data via ftp</Description>
         </AccessURL>
         <AccessURL>
            <Name>HTTPS from SPDF</Name>
            <URL>https://spdf.gsfc.nasa.gov/pub/data/pioneer/pioneer_venus/traj/pvotrja.asc</URL>
            <Description>for daily data via http</Description>
         </AccessURL>
         <Format>Text</Format>
      </AccessInformation>
      <InstrumentID>spase://SMWG/Instrument/PioneerVenusOrbiter/Ephemeris</InstrumentID>
      <MeasurementType>Ephemeris</MeasurementType>
      <TemporalDescription>
         <TimeSpan>
            <StartDate>1978-01-01T00:00:00Z</StartDate>
            <StopDate>1999-12-31T23:59:59Z</StopDate>
         </TimeSpan>
         <Cadence>P1D</Cadence>
      </TemporalDescription>
      <Parameter>
         <Name>Year</Name>
         <ParameterKey>Field 1</ParameterKey>
         <Description>Year</Description>
         <Support>
            <SupportQuantity>Temporal</SupportQuantity>
         </Support>
      </Parameter>
      <Parameter>
         <Name>DOY</Name>
         <ParameterKey>Field 2</ParameterKey>
         <Description>Day of Year</Description>
         <Support>
            <SupportQuantity>Temporal</SupportQuantity>
         </Support>
      </Parameter>
      <Parameter>
         <Name>Radial Distance</Name>
         <ParameterKey>Field 3</ParameterKey>
         <Description>Spacecraft Radial Distance in AU</Description>
         <Units>AU</Units>
         <UnitsConversion>1.49598e11&gt;m</UnitsConversion>
         <CoordinateSystem>
            <CoordinateRepresentation>Spherical</CoordinateRepresentation>
            <CoordinateSystemName>HGI</CoordinateSystemName>
         </CoordinateSystem>
         <Support>
            <SupportQuantity>Positional</SupportQuantity>
         </Support>
      </Parameter>
      <Parameter>
         <Name>HGI Latitude of Spacecraft</Name>
         <ParameterKey>Field 4</ParameterKey>
         <Description>Spacecraft latitude in the HGI system (degrees)</Description>
         <Units>degrees</Units>
         <CoordinateSystem>
            <CoordinateRepresentation>Spherical</CoordinateRepresentation>
            <CoordinateSystemName>HGI</CoordinateSystemName>
         </CoordinateSystem>
         <Support>
            <SupportQuantity>Positional</SupportQuantity>
         </Support>
      </Parameter>
      <Parameter>
         <Name>HGI Longitude of Spacecraft</Name>
         <ParameterKey>Field 5</ParameterKey>
         <Description>Spacecraft longitude in the HGI system (degrees)</Description>
         <Units>degrees</Units>
         <CoordinateSystem>
            <CoordinateRepresentation>Spherical</CoordinateRepresentation>
            <CoordinateSystemName>HGI</CoordinateSystemName>
         </CoordinateSystem>
         <Support>
            <SupportQuantity>Positional</SupportQuantity>
         </Support>
      </Parameter>
   </NumericalData>
</Spase>