<?xml version="1.0"?>
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  <Version>2.2.9</Version>
  <NumericalData>
    <ResourceID>spase://NASA/NumericalData/OGO2/RVM/PT1S</ResourceID>
    <ResourceHeader>
      <ResourceName>OGO 2 Rubidium Vapor Magnetometer data</ResourceName>
      <ReleaseDate>2020-07-07T21:15:00Z</ReleaseDate>
      <Description>The OGO-2 Rubidium Vapor Magnetometer data files give the spacecraft position in ECEF coordinates and the magnetic field magnitude at 1 s resolution.</Description>
      <Acknowledgement>National Aeronautics and Space Administration; Dr. Nelson W. Spencer; Dr. Robert F. Fellows; Dr. Robert A. Langel, III; Dr. Joseph C. Cain; Technical University of Denmark National Space Institute</Acknowledgement>
      <Contact>
        <PersonID>spase://SMWG/Person/Joseph.C.Cain</PersonID>
        <Role>PrincipalInvestigator</Role>
      </Contact>
      <Contact>
        <PersonID>spase://SMWG/Person/Robert.A.Langel.III</PersonID>
        <Role>CoInvestigator</Role>
      </Contact>
      <Contact>
        <PersonID>spase://SMWG/Person/James.M.Weygand</PersonID>
        <Role>MetadataContact</Role>
      </Contact>
      <PriorID>spase://VMO/NumericalData/OGO/2/RVM/PT1S</PriorID>
        <PriorID>spase://VSPO/NumericalData/OGO2/RVM/PT1S</PriorID>
    </ResourceHeader>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/UCLA/OGO2</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <AccessURL>
        <Name>Virtual Magnetospheric Observatory</Name>
        <URL>http://vmo.igpp.ucla.edu/data1/OGO/OGO2/</URL>
        <Description>OGO-2 rubidium vapor magnetometer data.</Description>
      </AccessURL>
      <Format>Text</Format>
      <Acknowledgement>Technical University of Denmark National Space Institute</Acknowledgement>
    </AccessInformation>
    <ProcessingLevel>Calibrated</ProcessingLevel>
    <ProviderResourceName>OGO-2 Rubidium Vapor Magnetometer data</ProviderResourceName>
    <ProviderProcessingLevel>Calibrated</ProviderProcessingLevel>
    <InstrumentID>spase://SMWG/Instrument/OGO2/RVM</InstrumentID>
    <MeasurementType>MagneticField</MeasurementType>
    <TemporalDescription>
      <TimeSpan>
        <StartDate>1965-10-14T21:32:34Z</StartDate>
        <StopDate>1967-10-02T22:03:00Z</StopDate>
      </TimeSpan>
      <Cadence>PT1S</Cadence>
    </TemporalDescription>
    <ObservedRegion>Earth.Magnetosphere</ObservedRegion>
    <ObservedRegion>Earth.NearSurface</ObservedRegion>
    <Parameter>
      <Name>Universal Time</Name>
      <ParameterKey>Time</ParameterKey>
      <Description>Universal time columns from left to right are: day (MJD2000) and UT seconds of the day.</Description>
      <Cadence>PT1S</Cadence>
      <Structure>
        <Size>2</Size>
        <Description>Universal Time expressed using day (MJD2000: fractions of days since January 1st 2000 at 00:00:00) and UT seconds of the day representation</Description>
        <Element>
          <Name>MJD2000 Day</Name>
          <Index>1</Index>
          <ParameterKey>Column_1</ParameterKey>
        </Element>
        <Element>
          <Name>Seconds of the Day</Name>
          <Index>2</Index>
          <ParameterKey>Second</ParameterKey>
        </Element>
      </Structure>
      <Support>
        <SupportQuantity>Temporal</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>OGO-2 Spacecraft Position Vector in Earth-Centered, Earth-Fixed (ECEF) coordinate system</Name>
      <ParameterKey>Position Vectors</ParameterKey>
      <Description>Location of the spacecraft in ECEF coordinates in units of kilometers and degrees.</Description>
      <Cadence>PT1S</Cadence>
      <CoordinateSystem>
        <CoordinateRepresentation>Spherical</CoordinateRepresentation>
        <CoordinateSystemName>ECEF</CoordinateSystemName>
      </CoordinateSystem>
      <Structure>
        <Size>3</Size>
        <Element>
          <Name>Radius</Name>
          <Qualifier>Component.I</Qualifier>
          <Index>1</Index>
          <ParameterKey>r</ParameterKey>
          <Units>km</Units>
        </Element>
        <Element>
          <Name>Theta</Name>
          <Qualifier>Component.J</Qualifier>
          <Index>2</Index>
          <ParameterKey>theta</ParameterKey>
          <Units>degrees</Units>
        </Element>
        <Element>
          <Name>Phi</Name>
          <Qualifier>Component.K</Qualifier>
          <Index>3</Index>
          <ParameterKey>Phi</ParameterKey>
          <Units>degrees</Units>
        </Element>
      </Structure>
      <Support>
        <SupportQuantity>Positional</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Rubidium Vapor Magnetometer Magnitude</Name>
      <ParameterKey>Magnetic Field Magnitude</ParameterKey>
      <Description>Magnetic field magnitude for OGO-2 Rubidium Vapor Magnetometer in units of nT.</Description>
      <Cadence>PT1S</Cadence>
      <Units>nT</Units>
      <Field>
        <Qualifier>Magnitude</Qualifier>
        <FieldQuantity>Magnetic</FieldQuantity>
      </Field>
    </Parameter>
  </NumericalData>
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