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   <Version>2.5.0</Version>
   <NumericalData>
      <ResourceID>spase://IUGONET/NumericalData/ISEE/VLF_ELF/GAK/VLF_ELF_cdf_data</ResourceID>
      <ResourceHeader>
         <ResourceName>CDF data of VLF/ELF measurements at Gakona, Alaska (US)</ResourceName>
         <ReleaseDate>2016-06-01T00:00:00</ReleaseDate>
         <Description>CDF Data of ISEE VLF/ELF antenna observation at Gakona, Alaska (US) cooperated by the Geophysical Institute, University of Alaska Fairbanks (GI, UAF). 9min50s spectrum is available in every 10 min. 20kHz sampling, sensitivity peak at 2-8kHz. Only one channel (VLF-EW): N-S antenna measureing east-west magnetic field variation.</Description>
         <Contact>
            <PersonID>spase://IUGONET/Person/Kazuo.Shiokawa</PersonID>
            <Role>PrincipalInvestigator</Role>
         </Contact>
         <Contact>
            <PersonID>spase://IUGONET/Person/Mitsunori.Ozaki</PersonID>
            <Role>CoInvestigator</Role>
         </Contact>
         <Contact>
            <PersonID>spase://IUGONET/Person/ISEE.Metadata.Management.Group</PersonID>
            <Role>MetadataContact</Role>
         </Contact>
      </ResourceHeader>
      <AccessInformation>
         <RepositoryID>spase://IUGONET/Repository/ISEE/VLF-ELF_antenna</RepositoryID>
         <Availability>Offline</Availability>
         <AccessRights>Restricted</AccessRights>
         <AccessURL>
            <URL>http://stdb2.isee.nagoya-u.ac.jp/vlf/index2.html</URL>
         </AccessURL>
         <Format>CDF</Format>
      </AccessInformation>
      <InstrumentID>spase://IUGONET/Instrument/ISEE/VLF_ELF/GAK/VLF_ELF_crs</InstrumentID>
      <MeasurementType>Waves.Passive</MeasurementType>
      <TemporalDescription>
         <TimeSpan>
            <StartDate>2017-06-01T00:00:00</StartDate>
            <RelativeStopDate>-P1D</RelativeStopDate>
         </TimeSpan>
      </TemporalDescription>
      <ObservedRegion>Earth.NearSurface.Ionosphere</ObservedRegion>
      <ObservedRegion>Earth.NearSurface.AuroralRegion</ObservedRegion>
      <SpatialCoverage>
         <CoordinateSystem>
            <CoordinateRepresentation>Spherical</CoordinateRepresentation>
            <CoordinateSystemName>WGS84</CoordinateSystemName>
         </CoordinateSystem>
         <CenterLatitude>62.39</CenterLatitude>
         <NorthernmostLatitude>62.39</NorthernmostLatitude>
         <SouthernmostLatitude>62.39</SouthernmostLatitude>
         <CenterLongitude>214.78</CenterLongitude>
         <EasternmostLongitude>214.78</EasternmostLongitude>
         <WesternmostLongitude>214.78</WesternmostLongitude>
      </SpatialCoverage>
      <Keyword>EARTH SCIENCE,Ionosphere, Magnetosphere dynamic plasma waves</Keyword>
      <Parameter>
         <Name>VLF spectra (NS)</Name>
         <Description>north-south B-field wave spectra (Ch.1)</Description>
         <Units>V^2/Hz</Units>
         <Field>
            <FieldQuantity>Magnetic</FieldQuantity>
            <FrequencyRange>
               <Low>0.0</Low>
               <High>50</High>
               <Units>kHz</Units>
            </FrequencyRange>
         </Field>
      </Parameter>
      <Parameter>
         <Name>VLF spectra (EW)</Name>
         <Description>east-west B-field wave spectra (Ch.2)</Description>
         <Units>V^2/Hz</Units>
         <Field>
            <FieldQuantity>Magnetic</FieldQuantity>
            <FrequencyRange>
               <Low>0.0</Low>
               <High>50</High>
               <Units>kHz</Units>
            </FrequencyRange>
         </Field>
      </Parameter>
   </NumericalData>
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