<?xml version="1.0"?>
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<Version>1.3.0 </Version>
<NumericalData>
   <ResourceID>spase://VMO/NumericalData/DE1/PWI/SFRA/</ResourceID>
   <ResourceHeader>
      <ResourceName>Dynamics Explorer 1 Plasma Waves Instrument Step Frequency Receiver A data</ResourceName>
      <AlternateName>DE1 PWI SFR A data</AlternateName>
      <ReleaseDate>2008-06-01T00:00:00</ReleaseDate>
      <Description>Plasma Waves Instrument Step Frequency Receiver A data</Description>
      <Acknowledgement>NASA; Donald A. Gurnett</Acknowledgement>
      <Contact>
         <PersonID>spase://VMO/Person/Donald.A.Gurnett</PersonID>
         <Role>PrincipalInvestigator</Role>
      </Contact>
      <Contact>
         <PersonID>spase://VMO/Person/James.M.Weygand</PersonID>
         <Role>MetadataContact</Role>
      </Contact>
      <InformationURL>
         <Name>NSSDC's Master Catalog on the Plasma Wave Instrument</Name>
         <URL>http://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=1981-070A-02</URL>
         <Description>Introduction to the Plasma Wave Instrument on DE1</Description>
      </InformationURL>
      <AssociationID>spase://VMO/Observatory/DE1</AssociationID>
   </ResourceHeader>
   <AccessInformation>
      <RepositoryID>spase://VMO/NumericalData/DE1/PWI/SFRA</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <AccessURL>
         <Name>Plasma Waves Instrument Step Frequency Receiver A Electric and Magnetic field data</Name>
         <URL>http://vmo.igpp.ucla.edu/vmo2/DE1/PWI/SFRA</URL>
         <Description>This URL contains the DE1 PWI Step Frequency Receiver A Electric and Magnetic Field Data</Description>
      </AccessURL>
      <Format>Text</Format>
      <Encoding>ASCII</Encoding>
      <Acknowledgement>NASA;Donald.A.Gurnett</Acknowledgement>
   </AccessInformation>
   
   <ProcessingLevel>Calibrated</ProcessingLevel>
   <ProviderResourceName>Plasma Waves Instrument Step Frequency Receiver A</ProviderResourceName>
   <ProviderProcessingLevel>Level-2</ProviderProcessingLevel>
   <ProviderVersion></ProviderVersion>
   <InstrumentID>spase://VMO/Instrument/DE1/PWI</InstrumentID>
   <MeasurementType>RadioandPlasmaWaves</MeasurementType>
   <TemporalDescription>
      <TimeSpan>
         <StartDate>1981-09-16T00:00:00</StartDate>
         <StopDate>1984-06-23T23:59:59</StopDate>
         <Note>Time format in data files is: milliseconds of the day </Note>    
      </TimeSpan>    
      <Cadence>PT1S</Cadence>    
   </TemporalDescription>
   <Caveats>Flags=NaN</Caveats>
   <Keyword>PWI</Keyword>
   <Keyword>SFR A</Keyword>
   <Keyword>Plasma Waves Instrument</Keyword>
   <Keyword>Step Frequency Receiver</Keyword>
   <Keyword>magnetosphere</Keyword>
   <Keyword>radiation belt</Keyword>   
   <Keyword></Keyword>
   <InputResourceID></InputResourceID>
   
  <PhysicalParameter>
      <Name>Universal Time</Name>
      <ParameterKey>Time</ParameterKey>
      <Description>Universal Time columns from left to right are: yeardoy msec in the format of yyddd msec.</Description>
      <Caveats></Caveats>
      <Cadence>PT1S</Cadence>
      <Units></Units>
      <UnitsConversion></UnitsConversion>
      <CoordinateSystem>
         <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
         <CoordinateSystemName>MAG</CoordinateSystemName>
      </CoordinateSystem>
      <Structure>
				 <Size>2</Size>
				 <Description>Universal Time expressed using a 6-column day, month, year, hour, minute, second representation</Description>
            <Element>
               <Name>Year Day of Year</Name>
               <Index>1</Index>
               <ParameterKey>YearDOY</ParameterKey>
            </Element>
            <Element>
               <Name>Milliseconds</Name>
               <Index>2</Index>
               <ParameterKey>MSec</ParameterKey>
            </Element>           
	    </Structure>    
      <Support>
      	<SupportQuantity>Temporal</SupportQuantity>
      </Support>
   </PhysicalParameter> 
   
   <PhysicalParameter>
      <Name>DE1 Plasma Wave Instrument  Step Frequency Receiver A</Name>
      <ParameterKey>PWI SFR A frequencies</ParameterKey>
      <Description>PWI SFR A  frequencies in Hz</Description>
      <Caveats></Caveats>
      <Cadence>PT1S</Cadence>
      <Units>Hz</Units>
      <UnitsConversion></UnitsConversion>
      <CoordinateSystem>
  			  <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
          <CoordinateSystemName>MAG</CoordinateSystemName>
      </CoordinateSystem>     
      <Measured>
         <Mixed>Frequecy</Mixed>
      </Measured>
   </PhysicalParameter>  
    
   <PhysicalParameter>
      <Name>DE1 Plasma Wave Instrument  Step Frequency Receiver A</Name>
      <ParameterKey>PWI SFR A electric field amplitude values</ParameterKey>
      <Description>PWI SFR A  electric field amplitude values </Description>
      <Caveats></Caveats>
      <Cadence>PT1S</Cadence>
      <Units>((V/m)^2)/Hz</Units>
      <UnitsConversion></UnitsConversion>
      <CoordinateSystem>
  			  <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
          <CoordinateSystemName>MAG</CoordinateSystemName>
      </CoordinateSystem>     
      <Measured>
         <Mixed>Electric field amplitude in ((V/m)^2)/Hz. Note that the data files can bedivided into multiple sections. Some for Ex values. Some for Ez, and some for B. The next column to the right indicates the measured value.</Mixed>
      </Measured>
   </PhysicalParameter>  
   
   <PhysicalParameter>
      <Name>DE1 Plasma Wave Instrument  Step Frequency Receiver A</Name>
      <ParameterKey>PWI SFR A magnetic field amplitude values</ParameterKey>
      <Description>PWI SFR A  magnetic field amplitude values </Description>
      <Caveats></Caveats>
      <Cadence>PT1S</Cadence>
      <Units>((nT)^2)/Hz</Units>
      <UnitsConversion></UnitsConversion>
      <CoordinateSystem>
  			  <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
          <CoordinateSystemName>MAG</CoordinateSystemName>
      </CoordinateSystem>     
      <Measured>
         <Mixed>Magnetic field amplitude in ((nT)^2)/Hz. Note that the data files can bedivided into multiple sections. Some for Ex values. Some for Ez, and some for B. The next column to the right indicates the measured value.</Mixed>
      </Measured>
   </PhysicalParameter>  
   
   <PhysicalParameter>
      <Name>DE1 Plasma Wave Instrument Step Frequency Receiver A</Name>
      <ParameterKey>PWI SFR A Antenna(s) used for measurement</ParameterKey>
      <Description>PWI SFR A Antenna(s) used for measurement: EX or EZ </Description>
      <Caveats></Caveats>
      <Cadence>PT1S</Cadence>
      <Units></Units>
      <UnitsConversion></UnitsConversion>
      <CoordinateSystem>
  			  <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
          <CoordinateSystemName>MAG</CoordinateSystemName>
      </CoordinateSystem>     
      <Measured>
         <Mixed>Nothing is measured. This is a flag to indicate the type of measurement made: Ex, Ez, and B. </Mixed>
      </Measured>
   </PhysicalParameter>  
   
   <PhysicalParameter>
      <Name>DE1 Plasma Wave Instrument Step Frequency Receiver A</Name>
      <ParameterKey>PWI SFR A Antenna(s) used for measurement</ParameterKey>
      <Description>PWI SFR A Antenna(s) used for measurement: B </Description>
      <Caveats></Caveats>
      <Cadence>PT1S</Cadence>
      <Units></Units>
      <UnitsConversion></UnitsConversion>
      <CoordinateSystem>
  			  <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
          <CoordinateSystemName>MAG</CoordinateSystemName>
      </CoordinateSystem>     
      <Measured>
         <Mixed>Nothing is measured. This is a flag to indicate the type of measurement made: Ex, Ez, and B. </Mixed>
      </Measured>
   </PhysicalParameter>  
       
   <PhysicalParameter>
      <Name>DE1 spacecraft position vector inerpolated to 1 sec resolution</Name>
      <ParameterKey>Position vector</ParameterKey>
      <Description>Location of the spacecraft in magnetic coordinates in units of Re, Re, local time, and latitude</Description>
      <Caveats></Caveats>
      <Cadence>PT1S</Cadence>
      <Units></Units>
      <UnitsConversion></UnitsConversion>
      <CoordinateSystem>
         <CoordinateRepresentation>Cartesian</CoordinateRepresentation>
         <CoordinateSystemName>MAG</CoordinateSystemName>
      </CoordinateSystem>
      <Structure>
				 <Size>4</Size>
				 <Element>
						<Name>Geocentric Radial distance of spacecraft</Name>
						<Component>R</Component>
						<Index>1</Index>					
						<ParameterKey>GeocentricRadialDistance</ParameterKey>
						<Units>Re</Units>
				 </Element>
				 <Element>
						<Name>L-Shell</Name>
						<Index>2</Index>				
						<ParameterKey>L-ShellValue</ParameterKey>
						<Units>Re</Units>
				 </Element>
				 <Element>
						<Name>MagneticLocalTime</Name>
						<Index>3</Index>
						<ParameterKey>MagneticLocalTime</ParameterKey>
						<Units>hr</Units>
				 </Element>
				 <Element>
						<Name>MagneticLatitude</Name>
						<Index>4</Index>					
						<ParameterKey>MagneticLatitude</ParameterKey>
						<Units>degrees</Units>
				 </Element>
	    </Structure>    
      <Support>
      	<SupportQuantity>Positional</SupportQuantity>
      </Support>
   </PhysicalParameter>   
  
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