<?xml version="1.0" encoding="UTF-8"?>
<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  https://www.spase-group.org/data/schema/spase-2_3_2.xsd">
  <Version>2.3.2</Version>
  <NumericalData>
    <ResourceID>spase://NASA/NumericalData/ISEE1/MAG/PT4S</ResourceID>
    <ResourceHeader>
      <ResourceName>ISEE 1 magnetometer 4-sec data</ResourceName>
      <ReleaseDate>2021-04-27T15:38:11Z</ReleaseDate>
      <Description>4-sec vector magnetic field values recorded by the NASA ISEE-1
satellite, in spacecraft coordinates (close to GSE), available from UCLA and CDAWeb
value-added interfaces and, via ftp, in binary from UCLA and in CDF from
CDAWeb. (This descriptor updated, 6/20110, by J.King, to reflect CDAWeb accessibility
and to insert CDAWeb parameter keys.)</Description>
      <Acknowledgement>UCLA-IGPP ISEE Magnetometer Team, and the source
used for accessing data.</Acknowledgement>
      <Contact>
        <PersonID>spase://SMWG/Person/Robert.J.Strangeway</PersonID>
        <Role>DataProducer</Role>
      </Contact>
      <Association>
        <AssociationID>spase://SMWG/Instrument/ISEE1/MAG</AssociationID>
        <AssociationType>ObservedBy</AssociationType>
      </Association>
      <PriorID>spase://VMO/NumericalData/ISEE1/MAG/PT4S</PriorID>
      <PriorID>spase://VSPO/NumericalData/ISEE1/MAG/PT4S</PriorID>
    </ResourceHeader>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <AccessRights>Open</AccessRights>
      <AccessURL>
        <Name>FTPS from SPDF (not with most browsers)</Name>
        <URL>ftps://spdf.gsfc.nasa.gov/pub/data/isee/isee1/isee1_cdaweb/4sec_mfi/</URL>
        <Description>ftp access to CDF files</Description>
      </AccessURL>
      <AccessURL>
        <Name>HTTPS from SPDF</Name>
        <URL>https://spdf.gsfc.nasa.gov/pub/data/isee/isee1/isee1_cdaweb/4sec_mfi/</URL>
        <Description>In CDF via HTTP from SPDF</Description>
      </AccessURL>
      <Format>CDF</Format>
      <Acknowledgement>UCLA ISEE Magnetometer and GSFC CDAWeb teams</Acknowledgement>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb</RepositoryID>
      <AccessRights>Open</AccessRights>
      <AccessURL>
        <Name>CDAWeb</Name>
        <URL>https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=ISEE1_4SEC_MFI&amp;index=sp_phys</URL>
        <ProductKey>ISEE1_4SEC_MFI</ProductKey>
        <Description>Plots, lists and files from CDAWeb</Description>
      </AccessURL>
      <Format>Text</Format>
      <Acknowledgement>UCLA ISEE Magnetometer and GSFC CDAWeb teams</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>ISEE1_4SEC_MFI</ProductKey>
        <Description>Web Service to this product using the HAPI interface.</Description>
      </AccessURL>
      <Format>CSV</Format>
      <Acknowledgement>UCLA ISEE Magnetometer and GSFC CDAWeb teams</Acknowledgement>
    </AccessInformation>
    <ProcessingLevel>Calibrated</ProcessingLevel>
    <InstrumentID>spase://SMWG/Instrument/ISEE1/MAG</InstrumentID>
    <MeasurementType>MagneticField</MeasurementType>
    <TemporalDescription>
      <TimeSpan>
        <StartDate>1977-10-22T21:04:19</StartDate>
        <StopDate>1987-09-25T16:10:30</StopDate>
      </TimeSpan>
      <Cadence>PT4S</Cadence>
    </TemporalDescription>
    <ObservedRegion>Earth.Magnetosphere</ObservedRegion>
    <ObservedRegion>Earth.Magnetosheath</ObservedRegion>
    <ObservedRegion>Heliosphere.NearEarth</ObservedRegion>
    <Parameter>
      <Name>Universal Time</Name>
      <ParameterKey>Epoch</ParameterKey>
      <Description>DD-MON-YY HH:MM:SS.SSS</Description>
      <Support>
        <SupportQuantity>Temporal</SupportQuantity>
      </Support>
    </Parameter>
    <Parameter>
      <Name>Magnetic Field Components</Name>
      <ParameterKey>BX, BY, BZ</ParameterKey>
      <Description>Cartesian components of magnetic field vector in spacecraft coordinates</Description>
      <Cadence>PT4S</Cadence>
      <Units>nT</Units>
      <UnitsConversion>1.0E-9&gt;T</UnitsConversion>
      <CoordinateSystem>
        <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
        <CoordinateSystemName>SC</CoordinateSystemName>
      </CoordinateSystem>
      <Structure>
        <Size>3</Size>
        <Description>The three elements are BX, BY, and BZ.</Description>
      </Structure>
      <Field>
        <Qualifier>Vector</Qualifier>
        <FieldQuantity>Magnetic</FieldQuantity>
      </Field>
    </Parameter>
    <Parameter>
      <Name>Magnetic Field Components</Name>
      <ParameterKey>BT</ParameterKey>
      <Description>Magnetic field magnitude average</Description>
      <Cadence>PT4S</Cadence>
      <Units>nT</Units>
      <UnitsConversion>1.0E-9&gt;T</UnitsConversion>
      <Field>
        <Qualifier>Magnitude</Qualifier>
        <FieldQuantity>Magnetic</FieldQuantity>
      </Field>
    </Parameter>
  </NumericalData>
</Spase>
