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      <SchemeURI>https://spdx.org/licenses/</SchemeURI>
      <RightsIdentifierScheme>SPDX</RightsIdentifierScheme>
      <RightsIdentifier>CC0-1.0</RightsIdentifier>
      <RightsURI>https://spdx.org/licenses/CC0-1.0.html</RightsURI>
      <RightsName>Creative Commons Zero v1.0 Universal</RightsName>
      <Note>CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions</Note>
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  <NumericalData>
    <ResourceID>spase://NASA/NumericalData/STEREO-B/IMPACT/PT1M</ResourceID>
    <NamingAuthority>NASA</NamingAuthority>
    <ResourceType>NumericalData</ResourceType>
    <ResourceHeader>
      <ResourceName>STEREO-B multi-instrument Level 1 IMPACT data from UCB</ResourceName>
      <ReleaseDate>2025-12-04T13:31:37Z</ReleaseDate>
      <RevisionHistory>
        <RevisionEvent>
          <ReleaseDate>2020-07-07T21:15:22Z</ReleaseDate>
          <Note>Only known prior ReleaseDate of the metadata</Note>
        </RevisionEvent>
        <RevisionEvent>
          <ReleaseDate>2025-11-14T16:03:05Z</ReleaseDate>
          <Note>Added PublicationInfo. Added ResourceType and NamingAuthority. ZCB</Note>
        </RevisionEvent>
        <RevisionEvent>
          <ReleaseDate>2025-12-04T13:31:37Z</ReleaseDate>
          <Note>Added MetadataRightsList. Updated to 2.7.1. ZCB</Note>
        </RevisionEvent>
      </RevisionHistory>
      <Description>Level 1 data from each of the several IMPACT instruments,
in CDF.  Time resolutions range from 0.125s (MAG) to 1m (SEPT, LET, HET).
Full spectral and directional resolution is preserved in the data. Links 
are also given on the page to browse plots and to sites with data in ASCII 
format for some specific instruments.</Description>
      <Acknowledgement>Principal Investigator Janet Luhmann, and key person(s)
for the instrument(s) whose data you are using. (cf. web site)</Acknowledgement>
      <PublicationInfo>
        <Authors>Luhmann, Janet G.</Authors>
        <PublicationDate>2025-11-14T16:03:05Z</PublicationDate>
        <PublishedBy>University of California, Berkeley</PublishedBy>
      </PublicationInfo>
      <Contact>
        <PersonID>spase://SMWG/Person/Janet.G.Luhmann</PersonID>
        <Role>PrincipalInvestigator</Role>
      </Contact>
      <Contact>
        <PersonID>spase://SMWG/Person/Peter.Schroeder</PersonID>
        <Role>GeneralContact</Role>
      </Contact>
      <InformationURL>
        <Name>IMPACT site at UCB</Name>
        <URL>http://stereo.ssl.berkeley.edu/</URL>
      </InformationURL>
      <PriorID>spase://VSPO/NumericalData/STEREO-B/IMPACT/L1</PriorID>
      <PriorID>spase://VSPO/NumericalData/STEREO-B/IMPACT/PT1M</PriorID>
    </ResourceHeader>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/UCB</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <AccessURL>
        <Name>IMPACT data site at UCB</Name>
        <URL>http://stereo.ssl.berkeley.edu/data.html</URL>
        <Description>Path to Level 1 CDF's, to browse plots, to selected 
ASCII sites, and to various software packages</Description>
      </AccessURL>
      <Format>CDF</Format>
      <Acknowledgement>Principal Investigator Janet Luhmann, the key person(s)
for the instrument(s) whose data you are using (cf. web site), and Peter
Schroeder, UCB/IMPACT webmaster</Acknowledgement>
    </AccessInformation>
    <InstrumentID>spase://SMWG/Instrument/STEREO-B/IMPACT</InstrumentID>
    <MeasurementType>ThermalPlasma</MeasurementType>
    <MeasurementType>EnergeticParticles</MeasurementType>
    <MeasurementType>MagneticField</MeasurementType>
    <TemporalDescription>
      <TimeSpan>
        <StartDate>2006-10-28T00:00:00</StartDate>
        <RelativeStopDate>-P4M</RelativeStopDate>
        <Note>Exact stop and end dates differ for various instruments'
data.  Lag time of latest data is typically some months.</Note>
      </TimeSpan>
      <Cadence>PT1M</Cadence>
    </TemporalDescription>
    <ObservedRegion>Heliosphere.Remote1AU</ObservedRegion>
  </NumericalData>
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