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  <Version>2.3.0</Version>
  <NumericalData>
    <ResourceID>spase://NOAA/NumericalData/DSCOVR/Ephemeris/Attitude/Preliminary/PT10S</ResourceID>
    <ResourceHeader>
      <ResourceName>DSCOVR 3-Axis Stabilized Attitude (Ephemeris) Preliminary Data</ResourceName>
      <ReleaseDate>2021-04-27T17:52:57Z</ReleaseDate>
      <Description>DSCOVR 3-Axis Stabilized Preliminary Attitude Data File. Convention: Intrinsic Rotations applied in Yaw, Pitch, Roll Order. Time Resolution Varies. 5-Point Median Filter Applied to the DCM Matrix.</Description>
      <Acknowledgement>A. Szabo</Acknowledgement>
      <Contact>
        <PersonID>spase://SMWG/Person/Adam.Szabo</PersonID>
        <Role>PrincipalInvestigator</Role>
      </Contact>
      <Contact>
        <PersonID>spase://SMWG/Person/Robert.E.McGuire</PersonID>
        <Role>MetadataContact</Role>
      </Contact>
      <Contact>
        <PersonID>spase://SMWG/Person/Lee.Frost.Bargatze</PersonID>
        <Role>MetadataContact</Role>
      </Contact>
      <InformationURL>
        <Name>Deep Space Climate Observatory, DSCOVR, Web Page, NESDIS, NOAA</Name>
        <URL>https://www.nesdis.noaa.gov/content/dscovr-deep-space-climate-observatory</URL>
        <Description>Deep Space Climate Observatory, DSCOVR, Web Page hosted by the National Environmental Satellite, Data, and Information Service, NESDIS, National Oceanic and Atmospheric Administration, NOAA</Description>
      </InformationURL>
      <PriorID>spase://VSPO/NumericalData/DSCOVR/Ephemeris/Attitude/PT10S</PriorID>
      <PriorID>spase://VSPO/NumericalData/DSCOVR/Ephemeris/Attitude/Preliminary/PT10S</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/dscovr/orbit/pre_at/</URL>
        <Description>In CDF via ftp from SPDF.</Description>
      </AccessURL>
      <AccessURL>
        <Name>HTTPS from SPDF</Name>
        <URL>https://spdf.gsfc.nasa.gov/pub/data/dscovr/orbit/pre_at/</URL>
        <Description>In CDF via http from SPDF.</Description>
      </AccessURL>
      <AccessURL>
        <Name>CDAWeb</Name>
        <URL>https://cdaweb.gsfc.nasa.gov/index.html/</URL>
        <ProductKey>DSCOVR_AT_PRE</ProductKey>
        <Description>Access to ASCII, CDF, and plots via NASA/GSFC CDAWeb</Description>
      </AccessURL>
      <Format>CDF</Format>
      <Encoding>None</Encoding>
      <Acknowledgement>A. Szabo. Please acknowledge the data providers and CDAWeb when using these data.</Acknowledgement>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <AccessURL>
        <Name>CDAWeb HAPI Server</Name>
        <URL>https://cdaweb.gsfc.nasa.gov/hapi</URL>
        <Style>HAPI</Style>
        <ProductKey>DSCOVR_AT_PRE</ProductKey>
        <Description>Web Service to this product using the HAPI interface.</Description>
      </AccessURL>
      <Format>CSV</Format>
      <Acknowledgement>A. Szabo. Please acknowledge the data providers and CDAWeb when using these data.</Acknowledgement>
    </AccessInformation>
    <ProcessingLevel>Calibrated</ProcessingLevel>
    <InstrumentID>spase://SMWG/Instrument/DSCOVR/Ephemeris</InstrumentID>
    <MeasurementType>Ephemeris</MeasurementType>
    <TemporalDescription>
      <TimeSpan>
        <StartDate>2015-02-11T00:00:00.000</StartDate>
        <StopDate>2017-05-31T23:59:59.999</StopDate>
      </TimeSpan>
      <Cadence>PT10S</Cadence>
    </TemporalDescription>
    <ObservedRegion>Heliosphere</ObservedRegion>
    <ObservedRegion>Heliosphere.NearEarth</ObservedRegion>
    <ObservedRegion>Heliosphere.Inner</ObservedRegion>
    <Parameter>
      <Name>Epoch Time, since 0 A.D.</Name>
      <ParameterKey>Epoch</ParameterKey>
      <Description>Epoch Time, Milliseconds since 0 A.D.</Description>
      <Caveats>This parameter exhibits an increasing monotonic progression.</Caveats>
      <Cadence>PT10S</Cadence>
      <Units>ms</Units>
      <UnitsConversion>1e-3&gt;s</UnitsConversion>
      <RenderingHints>
        <AxisLabel>Epoch</AxisLabel>
        <ValueFormat>E14.8</ValueFormat>
      </RenderingHints>
      <ValidMin>11-Feb-2015 00:00:00.000</ValidMin>
      <ValidMax>11-Feb-2065 00:00:00.000</ValidMax>
      <FillValue>31-Dec-9999 23:59:59.999</FillValue>
      <Support>
        <SupportQuantity>Temporal</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Time PB5</Name>
      <Set>Time series defined by using: EPOCH</Set>
      <ParameterKey>Time_PB5</ParameterKey>
      <Description>Time in PB5 Format: Year, Day, Milliseconds, Observation Time</Description>
      <Cadence>PT10S</Cadence>
      <Structure>
        <Size>3</Size>
        <Element>
          <Name>Year</Name>
          <Index>1</Index>
          <Units>year</Units>
          <ValidMin>2015</ValidMin>
          <ValidMax>2065</ValidMax>
        </Element>
        <Element>
          <Name>Day of Year</Name>
          <Index>2</Index>
          <Units>d</Units>
          <ValidMin>0</ValidMin>
          <ValidMax>366</ValidMax>
        </Element>
        <Element>
          <Name>Elapsed milliseconds of day</Name>
          <Index>3</Index>
          <Units>ms</Units>
          <ValidMin>0</ValidMin>
          <ValidMax>86400000</ValidMax>
        </Element>
      </Structure>
      <FillValue>-2147483647</FillValue>
      <Support>
        <SupportQuantity>Temporal</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Yaw Angle, J2000</Name>
      <Set>Time series defined by using: EPOCH</Set>
      <ParameterKey>J2000_Yaw</ParameterKey>
      <Description>Spacecraft Yaw Angle, J2000 Coordinates</Description>
      <Cadence>PT10S</Cadence>
      <Units>rad</Units>
      <CoordinateSystem>
        <CoordinateRepresentation>Spherical</CoordinateRepresentation>
        <CoordinateSystemName>J2000</CoordinateSystemName>
      </CoordinateSystem>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
        <AxisLabel>Yaw J2000</AxisLabel>
        <ValueFormat>F10.6</ValueFormat>
        <ScaleMin>-3.14159</ScaleMin>
        <ScaleMax>3.14159</ScaleMax>
      </RenderingHints>
      <ValidMin>-3.14159</ValidMin>
      <ValidMax>3.14159</ValidMax>
      <FillValue>-1.0e+31</FillValue>
      <Support>
        <Qualifier>DirectionAngle.AzimuthAngle</Qualifier>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Pitch Angle, J2000</Name>
      <Set>Time series defined by using: EPOCH</Set>
      <ParameterKey>J2000_Pitch</ParameterKey>
      <Description>Spacecraft Pitch Angle, J2000 Coordinates</Description>
      <Cadence>PT10S</Cadence>
      <Units>rad</Units>
      <CoordinateSystem>
        <CoordinateRepresentation>Spherical</CoordinateRepresentation>
        <CoordinateSystemName>J2000</CoordinateSystemName>
      </CoordinateSystem>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
        <AxisLabel>Pitch J2000</AxisLabel>
        <ValueFormat>F10.6</ValueFormat>
        <ScaleMin>-3.14159</ScaleMin>
        <ScaleMax>3.14159</ScaleMax>
      </RenderingHints>
      <ValidMin>-3.14159</ValidMin>
      <ValidMax>3.14159</ValidMax>
      <FillValue>-1.0e+31</FillValue>
      <Support>
        <Qualifier>DirectionAngle.ElevationAngle</Qualifier>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Roll Angle, J2000</Name>
      <Set>Time series defined by using: EPOCH</Set>
      <ParameterKey>J2000_Roll</ParameterKey>
      <Description>Spacecraft Roll Angle, J2000 Coordinates</Description>
      <Cadence>PT10S</Cadence>
      <Units>rad</Units>
      <CoordinateSystem>
        <CoordinateRepresentation>Spherical</CoordinateRepresentation>
        <CoordinateSystemName>J2000</CoordinateSystemName>
      </CoordinateSystem>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
        <AxisLabel>Roll J2000</AxisLabel>
        <ValueFormat>F10.6</ValueFormat>
        <ScaleMin>-3.14159</ScaleMin>
        <ScaleMax>3.14159</ScaleMax>
      </RenderingHints>
      <ValidMin>-3.14159</ValidMin>
      <ValidMax>3.14159</ValidMax>
      <FillValue>-1.0e+31</FillValue>
      <Support>
        <Qualifier>DirectionAngle.AzimuthAngle</Qualifier>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Yaw Angle, J2000 GEI</Name>
      <Set>Time series defined by using: EPOCH</Set>
      <ParameterKey>GCI_Yaw</ParameterKey>
      <Description>Spacecraft Yaw Angle, Geocentric Inertial, J2000 GEI Coordinates</Description>
      <Cadence>PT10S</Cadence>
      <Units>rad</Units>
      <CoordinateSystem>
        <CoordinateRepresentation>Spherical</CoordinateRepresentation>
        <CoordinateSystemName>GEI</CoordinateSystemName>
      </CoordinateSystem>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
        <AxisLabel>Yaw GCI</AxisLabel>
        <ValueFormat>F10.6</ValueFormat>
        <ScaleMin>-3.14159</ScaleMin>
        <ScaleMax>3.14159</ScaleMax>
      </RenderingHints>
      <ValidMin>-3.14159</ValidMin>
      <ValidMax>3.14159</ValidMax>
      <FillValue>-1.0e+31</FillValue>
      <Support>
        <Qualifier>DirectionAngle.AzimuthAngle</Qualifier>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Pitch Angle, J2000 GEI</Name>
      <Set>Time series defined by using: EPOCH</Set>
      <ParameterKey>GCI_Pitch</ParameterKey>
      <Description>Spacecraft Pitch Angle, Geocentric Inertial, J2000 GEI Coordinates</Description>
      <Cadence>PT10S</Cadence>
      <Units>rad</Units>
      <CoordinateSystem>
        <CoordinateRepresentation>Spherical</CoordinateRepresentation>
        <CoordinateSystemName>GEI</CoordinateSystemName>
      </CoordinateSystem>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
        <AxisLabel>Pitch GCI</AxisLabel>
        <ValueFormat>F10.6</ValueFormat>
        <ScaleMin>-3.14159</ScaleMin>
        <ScaleMax>3.14159</ScaleMax>
      </RenderingHints>
      <ValidMin>-3.14159</ValidMin>
      <ValidMax>3.14159</ValidMax>
      <FillValue>-1.0e+31</FillValue>
      <Support>
        <Qualifier>DirectionAngle.ElevationAngle</Qualifier>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Roll Angle, J2000 GEI</Name>
      <Set>Time series defined by using: EPOCH</Set>
      <ParameterKey>GCI_Roll</ParameterKey>
      <Description>Spacecraft Roll Angle, Geocentric Inertial, J2000 GEI Coordinates</Description>
      <Cadence>PT10S</Cadence>
      <Units>rad</Units>
      <CoordinateSystem>
        <CoordinateRepresentation>Spherical</CoordinateRepresentation>
        <CoordinateSystemName>GEI</CoordinateSystemName>
      </CoordinateSystem>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
        <AxisLabel>Roll GCI</AxisLabel>
        <ValueFormat>F10.6</ValueFormat>
        <ScaleMin>-3.14159</ScaleMin>
        <ScaleMax>3.14159</ScaleMax>
      </RenderingHints>
      <ValidMin>-3.14159</ValidMin>
      <ValidMax>3.14159</ValidMax>
      <FillValue>-1.0e+31</FillValue>
      <Support>
        <Qualifier>DirectionAngle.AzimuthAngle</Qualifier>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Yaw Angle, GSE</Name>
      <Set>Time series defined by using: EPOCH</Set>
      <ParameterKey>GSE_Yaw</ParameterKey>
      <Description>Spacecraft Yaw Angle, Geocentric Solar Ecliptic, GSE Coordinates</Description>
      <Cadence>PT10S</Cadence>
      <Units>rad</Units>
      <CoordinateSystem>
        <CoordinateRepresentation>Spherical</CoordinateRepresentation>
        <CoordinateSystemName>GSE</CoordinateSystemName>
      </CoordinateSystem>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
        <AxisLabel>Yaw GSE</AxisLabel>
        <ValueFormat>F10.6</ValueFormat>
        <ScaleMin>-3.14159</ScaleMin>
        <ScaleMax>3.14159</ScaleMax>
      </RenderingHints>
      <ValidMin>-3.14159</ValidMin>
      <ValidMax>3.14159</ValidMax>
      <FillValue>-1.0e+31</FillValue>
      <Support>
        <Qualifier>DirectionAngle.AzimuthAngle</Qualifier>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Pitch Angle, GSE</Name>
      <Set>Time series defined by using: EPOCH</Set>
      <ParameterKey>GSE_Pitch</ParameterKey>
      <Description>Spacecraft Pitch Angle, Geocentric Solar Ecliptic, GSE Coordinates</Description>
      <Cadence>PT10S</Cadence>
      <Units>rad</Units>
      <CoordinateSystem>
        <CoordinateRepresentation>Spherical</CoordinateRepresentation>
        <CoordinateSystemName>GSE</CoordinateSystemName>
      </CoordinateSystem>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
        <AxisLabel>Pitch GSE</AxisLabel>
        <ValueFormat>F10.6</ValueFormat>
        <ScaleMin>-3.14159</ScaleMin>
        <ScaleMax>3.14159</ScaleMax>
      </RenderingHints>
      <ValidMin>-3.14159</ValidMin>
      <ValidMax>3.14159</ValidMax>
      <FillValue>-1.0e+31</FillValue>
      <Support>
        <Qualifier>DirectionAngle.ElevationAngle</Qualifier>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Roll Angle, GSE</Name>
      <Set>Time series defined by using: EPOCH</Set>
      <ParameterKey>GSE_Roll</ParameterKey>
      <Description>Spacecraft Roll Angle, Geocentric Solar Ecliptic, GSE Coordinates</Description>
      <Cadence>PT10S</Cadence>
      <Units>rad</Units>
      <CoordinateSystem>
        <CoordinateRepresentation>Spherical</CoordinateRepresentation>
        <CoordinateSystemName>GSE</CoordinateSystemName>
      </CoordinateSystem>
      <RenderingHints>
        <DisplayType>TimeSeries</DisplayType>
        <AxisLabel>Roll GSE</AxisLabel>
        <ValueFormat>F10.6</ValueFormat>
        <ScaleMin>-3.14159</ScaleMin>
        <ScaleMax>3.14159</ScaleMax>
      </RenderingHints>
      <ValidMin>-3.14159</ValidMin>
      <ValidMax>3.14159</ValidMax>
      <FillValue>-1.0e+31</FillValue>
      <Support>
        <Qualifier>DirectionAngle.AzimuthAngle</Qualifier>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
  </NumericalData>
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