<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<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 http://www.spase-group.org/data/schema/spase-2_6_1.xsd">
  <_Note>Nodes prefixed with a _ are not valid SPASE, but are included for debugging. Values prefixed with a x_ are not valid SPASE but may considered for addition for completeness.</_Note>
  <Version>2.6.1</Version>
  <_MasterURL>https://cdaweb.gsfc.nasa.gov/pub/software/cdawlib/0JSONS/mms4_hpca_srvy_l2_ion_00000000_v01.json (from all.xml)</_MasterURL>
  <NumericalData>
    <ResourceID>spase://NASA/NumericalData/MMS/4/HotPlasmaCompositionAnalyzer/Survey/Level2/Ion/PT0.625S</ResourceID>
    <_ResourceID>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json</_ResourceID>
    <ResourceHeader>
      <ResourceName>Level 2&gt; Hot Plasma Composition Analyzer</ResourceName>
      <_ResourceName>Source: Master/CDFglobalAttributes/Logical_source_description</_ResourceName>
      <AlternateName>mms4_hpca_srvy_l2_ion</AlternateName>
      <_AlternateName>Source: Master/CDFglobalAttributes/Logical_source</_AlternateName>
      <Description>References</Description>
      <_Description>Source: Master/CDFglobalAttributes/TEXT</_Description>
      <Acknowledgement>Confer with PI for rules of acknowledgement</Acknowledgement>
      <_Acknowledgement>Source: Master/CDFglobalAttributes/Acknowledgement</_Acknowledgement>
      <_Rights>
        <Name>SPDX</Name>
        <Description>Creative Commons Zero v1.0 Universal</Description>
        <URL>https://spdx.org/licenses/CC0-1.0.html</URL>
        <SchemeURI>https://spdx.org/licenses/</SchemeURI>
      </_Rights>
      <InformationURL>
        <URL>https://lasp.colorado.edu/mms/sdc/public/datasets/hpca</URL>
        <Name>Data Caveats and Current Release Notes at LASP MMS SDC</Name>
        <Description>HPCA </Description>
        <_Note>URL also in all.xml. Using master.</_Note>
      </InformationURL>
      <InformationURL>
        <Name>Data Caveats and Current Release Notes at LASP MMS SDC</Name>
        <URL>https://lasp.colorado.edu/mms/sdc/public/datasets/hpca/</URL>
        <Description>The Magnetospheric Multiscale (MMS) Mission home page hosted by the Laboratory of Atmospheric and Space Physics, Science Data Center (LASP, SDC) at the University of Colorado, Boulder.</Description>
        <_Note>URL also in all.xml, master. Using InformationURL.json.</_Note>
      </InformationURL>
      <InformationURL>
        <URL>https://science.nasa.gov/mission/mms</URL>
        <Name>Public Overview at NASA</Name>
        <Description>MMS </Description>
        <_Note>URL also in all.xml. Using master.</_Note>
      </InformationURL>
      <InformationURL>
        <Name>The Magnetospheric Multiscale (MMS) Mission home page at Goddard Space Flight Center (GSFC)</Name>
        <URL>https://mms.gsfc.nasa.gov/</URL>
        <Description>The Magnetospheric Multiscale (MMS) Mission Home Page hosted by the Goddard Space Flight Center (GSFC).</Description>
        <_Note>URL also in all.xml, master. Using InformationURL.json.</_Note>
      </InformationURL>
      <InformationURL>
        <URL>https://mms.gsfc.nasa.gov/index.html</URL>
        <Name>Homepage</Name>
        <Description>MMS at NASA GSFC</Description>
        <_Note>URL also in all.xml. Using master.</_Note>
      </InformationURL>
    </ResourceHeader>
    <Caveats>PI determined</Caveats>
    <_Caveats>Source: Master/CDFglobalAttributes/Rules_of_use</_Caveats>
    <DOI>https://doi.org/10.48322/6ewa-9074</DOI>
    <_DOI>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/DOI.json</_DOI>
    <_AccessInformation>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/AccessInformation.json</_AccessInformation>
    <TemporalDescription>
      <TimeSpan>
        <StartDate>2015-09-01T00:00:00Z</StartDate>
        <StopDate>2026-05-09T23:59:54Z</StopDate>
      </TimeSpan>
      <_TemporalDescription>Generated from all.xml/@timerange_start and all.xml/@timerange_stop</_TemporalDescription>
      <Cadence>PT0.625S</Cadence>
      <_Cadence>Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/mms/mms4/hpca/srvy/l2/ion/2015/09/mms4_hpca_srvy_l2_ion_20150901000000_v4.1.0.cdf. The most common cadence, 625000000 [ns] = PT0.625S, occurred for 50.0000% of the 1759 timesteps. </_Cadence>
    </TemporalDescription>
    <_ObservedRegion>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ObservedRegion.json</_ObservedRegion>
    <ProcessingLevel/>
    <_ProcessingLevel>Processing level is not available in the master file; it should be there instead of, say, https://github.com/rweigel/cdawmeta-spase/blob/main/ProcessingLevel.json</_ProcessingLevel>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb. Please also acknowledge the data producer: J. Burch, S. Fuselier at SWRI</Acknowledgement>
      <Style>Listing</Style>
      <AccessURL>
        <Name>HTTPS from SPDF</Name>
        <URL>https://cdaweb.gsfc.nasa.gov/pub/data/mms/mms4/hpca/srvy/l2/ion</URL>
        <Description>In CDF via HTTP from CDAWeb</Description>
        <AccessFilenameTemplate>mms4_hpca_srvy_l2_ion_%Y%m%d%H%M%S_%Q.cdf</AccessFilenameTemplate>
        <AccessDirectoryTemplate>%Y/%m</AccessDirectoryTemplate>
        <ProductKey>MMS4_HPCA_SRVY_L2_ION</ProductKey>
      </AccessURL>
      <Format>CDF</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb. Please also acknowledge the data producer: J. Burch, S. Fuselier at SWRI</Acknowledgement>
      <Style>Listing</Style>
      <AccessURL>
        <Name>FTPS from SPDF</Name>
        <URL>ftps://cdaweb.gsfc.nasa.gov/pub/data/mms/mms4/hpca/srvy/l2/ion</URL>
        <Description>In CDF via HTTP from CDAWeb</Description>
        <AccessFilenameTemplate>mms4_hpca_srvy_l2_ion_%Y%m%d%H%M%S_%Q.cdf</AccessFilenameTemplate>
        <AccessDirectoryTemplate>%Y/%m</AccessDirectoryTemplate>
        <ProductKey>MMS4_HPCA_SRVY_L2_ION</ProductKey>
      </AccessURL>
      <Format>CDF</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb. Please also acknowledge the data producer: J. Burch, S. Fuselier at SWRI</Acknowledgement>
      <AccessURL>
        <Name>CDAWeb Web Service</Name>
        <URL>https://cdaweb.gsfc.nasa.gov/WebServices/</URL>
        <Style>WebService</Style>
        <Description>Instructions for using web services to access this dataset an other other metadata and options for CDAWeb datasets. The ProductKey here corresponds to the query parameter 'dataset' in the tables at the AccessURL in a dataset-related request can be made.</Description>
        <ProductKey>MMS4_HPCA_SRVY_L2_ION</ProductKey>
      </AccessURL>
      <Format>CDF</Format>
      <Format>CSV</Format>
      <Format>GIF</Format>
      <Format>NetCDF</Format>
      <Format>PNG</Format>
      <Format>PS</Format>
      <Format>PDF</Format>
      <Format>XML</Format>
      <Format>x_Script.IDL</Format>
      <Format>x_Script.Python</Format>
      <Format>Text.ASCII</Format>
      <Format>x_WAV</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb. Please also acknowledge the data producer: J. Burch, S. Fuselier at SWRI</Acknowledgement>
      <AccessURL>
        <Name>CDAWeb Web Service user interface</Name>
        <URL>https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?index=sp_phys&amp;dataset=MMS4_HPCA_SRVY_L2_ION</URL>
        <Style>WebService</Style>
        <ProductKey>MMS4_HPCA_SRVY_L2_ION</ProductKey>
        <Description>Web service user interface for this product.</Description>
      </AccessURL>
      <Format>CDF</Format>
      <Format>GIF</Format>
      <Format>PDF</Format>
      <Format>Text.ASCII</Format>
      <Format>x_WAV</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb. Please also acknowledge the data producer: J. Burch, S. Fuselier at SWRI</Acknowledgement>
      <AccessURL>
        <Name>CDAWeb Python Script</Name>
        <URL>https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/MMS4_HPCA_SRVY_L2_ION/clientLibraryExample/</URL>
        <ProductKey>MMS4_HPCA_SRVY_L2_ION</ProductKey>
        <Style>WebService</Style>
        <Description>Web service that generates a Python script to access this product.</Description>
      </AccessURL>
      <Format>x_Script.IDL</Format>
      <Format>x_Script.Python</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/SSCWeb. Please also acknowledge the data producer: J. Burch, S. Fuselier at SWRI</Acknowledgement>
      <AccessURL>
        <Name>4D Orbit Viewer</Name>
        <URL>https://sscweb.gsfc.nasa.gov/4dorbit/?sc=MMS4_HPCA_SRVY_L2_ION</URL>
        <ProductKey>MMS4_HPCA_SRVY_L2_ION</ProductKey>
        <Style>x_Visualization</Style>
        <Description>Web Service to this product.</Description>
      </AccessURL>
      <Format>HTML</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: J. Burch, S. Fuselier at SWRI</Acknowledgement>
      <AccessURL>
        <Name>CDAWeb HAPI Server</Name>
        <URL>https://hapi-server.org/servers/#server=CDAWeb&amp;dataset=MMS4_HPCA_SRVY_L2_ION</URL>
        <Style>HAPI</Style>
        <ProductKey>MMS4_HPCA_SRVY_L2_ION</ProductKey>
        <Description>Web Service to this product using the HAPI interface.</Description>
      </AccessURL>
      <Format>CSV</Format>
      <Format>JSON</Format>
      <Format>Binary</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: J. Burch, S. Fuselier at SWRI</Acknowledgement>
      <AccessURL>
        <Name>CDAWeb HAPI Script in Multiple Languages</Name>
        <URL>https://hapi-server.org/servers/#server=CDAWeb&amp;dataset=MMS4_HPCA_SRVY_L2_ION&amp;return=script</URL>
        <Style>HAPI</Style>
        <ProductKey>MMS4_HPCA_SRVY_L2_ION</ProductKey>
        <Description>Web Service user interface that generates scripts in IDL, Javascript, MATLAB, Python, Autoplot, curl, wget to access this product. See https://hapi-server.org/servers/api for the API.</Description>
      </AccessURL>
      <Format>x_Script.IDL</Format>
      <Format>x_Script.Javascript</Format>
      <Format>x_Script.MATLAB</Format>
      <Format>x_Script.Python</Format>
      <Format>x_Script.Autoplot</Format>
      <Format>x_Script.curl</Format>
      <Format>x_Script.wget</Format>
    </AccessInformation>
    <AccessInformation>
      <RepositoryID>spase://SMWG/Repository/NASA/GSFC/SPDF</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <Acknowledgement>SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: J. Burch, S. Fuselier at SWRI</Acknowledgement>
      <AccessURL>
        <Name>HAPI visualizations</Name>
        <URL>https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&amp;dataset=MMS4_HPCA_SRVY_L2_ION&amp;format=gallery</URL>
        <Style>x_Visualization</Style>
        <ProductKey>MMS4_HPCA_SRVY_L2_ION</ProductKey>
        <Description>Web Service that generates plots. See https://hapi-server.org/plot/ for the API.</Description>
      </AccessURL>
      <Format>PNG</Format>
      <Format>PDF</Format>
      <Format>SVG</Format>
    </AccessInformation>
    <Keyword>MMS Satellite Number 4 (from all.xml/observatory/description/@short)</Keyword>
    <Keyword>Hot Plasma Composition Analyzer (from all.xml/instrument/description/@short)</Keyword>
    <Keyword>Space Physics (from Master/CDFglobalAttributes/Discipline)</Keyword>
    <Keyword>Magnetospheric Science (from Master/CDFglobalAttributes/Discipline)</Keyword>
    <Keyword>MMS4 (from Master/CDFglobalAttributes/Source_name)</Keyword>
    <Keyword>MMS Satellite Number 4 (from Master/CDFglobalAttributes/Source_name)</Keyword>
    <Keyword>srvy_l2_ion (from Master/CDFglobalAttributes/Data_type)</Keyword>
    <Keyword>Survey Mode L2 Ions (from Master/CDFglobalAttributes/Data_type)</Keyword>
    <Keyword>HPCA (from all.xml/instrument/@ID)</Keyword>
    <ObservedRegion>Earth.Magnetosheath</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere.Magnetotail</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere.Main</ObservedRegion>
    <ObservedRegion>Earth.Magnetosphere.RadiationBelt</ObservedRegion>
    <ObservedRegion>Earth.NearSurface.EquatorialRegion</ObservedRegion>
    <ObservedRegion>Earth.NearSurface.Plasmasphere</ObservedRegion>
    <ObservedRegion>Heliosphere.NearEarth</ObservedRegion>
    <InstrumentID>spase://SMWG/Instrument/MMS/4/FIELDS/FGM</InstrumentID>
    <InstrumentID>spase://SMWG/Instrument/MMS/4/HotPlasmaCompositionAnalyzer</InstrumentID>
    <MeasurementType>EnergeticParticles</MeasurementType>
    <MeasurementType>MagneticField</MeasurementType>
    <Parameter2>
      <Name>UTC converted from TAI time</Name>
      <ParameterKey>Epoch</ParameterKey>
      <Description>CATDESC: 'Start time for the record'. Notes not in Master CDF: 'The units are the units in CDF files. For other web services, this variable is may be represented as a time string.'</Description>
      <Units>ns</Units>
      <Support>
        <Qualifier>Scalar</Qualifier>
        <SupportQuantity>Temporal</SupportQuantity>
      </Support>
    </Parameter2>
    <Parameter2>
      <Name>MMS4 HPCA: Azimuth Decimation Factor</Name>
      <ParameterKey>mms4_hpca_azimuth_decimation_factor</ParameterKey>
      <Description>Master CDF CATDESC: 'MMS4 HPCA: Azimuth Decimation Factor'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units> </Units>
      <FillValue>65535</FillValue>
    </Parameter2>
    <Parameter2>
      <Name>MMS4 HPCA: Polar Anode Decimation Factor</Name>
      <ParameterKey>mms4_hpca_polar_decimation_factor</ParameterKey>
      <Description>Master CDF CATDESC: 'MMS4 HPCA: Polar Anode Decimation Factor'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units> </Units>
      <FillValue>65535</FillValue>
    </Parameter2>
    <Parameter2>
      <Name>MMS4 HPCA: Energy Decimation Factor</Name>
      <ParameterKey>mms4_hpca_energy_decimation_factor</ParameterKey>
      <Description>Master CDF CATDESC: 'MMS4 HPCA: Energy Decimation Factor'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units> </Units>
      <FillValue>65535</FillValue>
    </Parameter2>
    <Parameter2>
      <Name>Sweep Table Number</Name>
      <ParameterKey>mms4_hpca_sweep_table_number</ParameterKey>
      <Description>Master CDF CATDESC: 'Sweep Table Index as defined in the HPCA Science Algorithm Document'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units> </Units>
      <FillValue>255</FillValue>
    </Parameter2>
    <Parameter2>
      <Name>Start Azimuth</Name>
      <ParameterKey>mms4_hpca_start_azimuth</ParameterKey>
      <Description>Master CDF CATDESC: 'Start Azimuth'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units> </Units>
      <FillValue>255</FillValue>
    </Parameter2>
    <Parameter2>
      <Name>Science Mode Number</Name>
      <ParameterKey>mms4_hpca_science_mode</ParameterKey>
      <Description>Master CDF CATDESC: 'Science Mode Value as defined in the HPCA Science Algorithm Document'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units> </Units>
      <FillValue>255</FillValue>
    </Parameter2>
    <Parameter2>
      <Name>H+ Sweep Status</Name>
      <ParameterKey>mms4_hpca_hplus_data_quality</ParameterKey>
      <Description>Master CDF CATDESC: 'H+ per sweep status (0=bad): see Data_Quality_Key global attribute'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>(0=bad) </Units>
      <FillValue>65535</FillValue>
    </Parameter2>
    <Parameter2>
      <Name>Hydrogen+ Flux Energy vs Anode</Name>
      <ParameterKey>mms4_hpca_hplus_flux</ParameterKey>
      <Description>Master CDF CATDESC: 'Hydrogen+ Flux for all Elevation Anodes across all energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Hydrogen+ Flux Energy vs Anode</Name>
      <ParameterKey>mms4_hpca_hplus_flux_movie</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Movie display as function of energy and anode'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Hydrogen+ Flux</Name>
      <ParameterKey>mms4_hpca_hplus_flux_byE_atAnode</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by energy at sample  anode numbers'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Hydrogen+ Flux</Name>
      <ParameterKey>mms4_hpca_hplus_flux_byAnode_atE</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by anode number at sample energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Hydrogen+ PSD Energy vs Anode</Name>
      <ParameterKey>mms4_hpca_hplus_phase_space_density</ParameterKey>
      <Description>Master CDF CATDESC: 'Hydrogen+ Phase Space Density for all Elevation Anodes across all energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>cm^-6 s^3</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Hydrogen+ PSD Energy vs Anode</Name>
      <ParameterKey>mms4_hpca_hplus_phase_space_density_movie</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Movie display as function of energy and anode'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Hydrogen+ PSD</Name>
      <ParameterKey>mms4_hpca_hplus_phase_space_density_byE_atAnode</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by energy at sample anodes'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Hydrogen+ PSD</Name>
      <ParameterKey>mms4_hpca_hplus_phase_space_density_byAnode_atE</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by anode number at sample energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>He+ Sweep Status</Name>
      <ParameterKey>mms4_hpca_heplus_data_quality</ParameterKey>
      <Description>Master CDF CATDESC: 'He+ per sweep status (0=bad): see Data_Quality_Key global attribute'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>(0=bad) </Units>
      <FillValue>65535</FillValue>
    </Parameter2>
    <Parameter2>
      <Name>Helium+ Flux Energy vs Anode</Name>
      <ParameterKey>mms4_hpca_heplus_flux</ParameterKey>
      <Description>Master CDF CATDESC: 'Helium+ Flux for all Elevation Anodes across all energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Helium+ Flux</Name>
      <ParameterKey>mms4_hpca_heplus_flux_movie</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Movie display as function of energy and anode'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Helium+ Flux</Name>
      <ParameterKey>mms4_hpca_heplus_flux_byE_atAnode</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by energy at sample anode numbers'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Helium+ Flux</Name>
      <ParameterKey>mms4_hpca_heplus_flux_byAnode_atE</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by anode number at sample energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Helium+ PSD Energy vs Anode</Name>
      <ParameterKey>mms4_hpca_heplus_phase_space_density</ParameterKey>
      <Description>Master CDF CATDESC: 'Helium+ Phase Space Density for all Elevation Anodes across all energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>cm^-6 s^3</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Helium+ Flux</Name>
      <ParameterKey>mms4_hpca_heplus_phase_space_density_movie</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Movie display as function of energy and anode'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Helium+ Flux</Name>
      <ParameterKey>mms4_hpca_heplus_phase_space_density_byE_atAnode</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by energy at sample anode numbers'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Helium+ Flux</Name>
      <ParameterKey>mms4_hpca_heplus_phase_space_density_byAnode_atE</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by anode number at sample energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>He++ Sweep Status</Name>
      <ParameterKey>mms4_hpca_heplusplus_data_quality</ParameterKey>
      <Description>Master CDF CATDESC: 'He++ per sweep status (0=bad): see Data_Quality_Key global attribute'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>(0=bad) </Units>
      <FillValue>65535</FillValue>
    </Parameter2>
    <Parameter2>
      <Name>Helium++ Flux Energy vs Anode</Name>
      <ParameterKey>mms4_hpca_heplusplus_flux</ParameterKey>
      <Description>Master CDF CATDESC: 'Helium++ Flux for all Elevation Anodes across all energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Helium++ Flux Energy vs Anode</Name>
      <ParameterKey>mms4_hpca_heplusplus_flux_movie</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Movie display as function of energy and anode'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Helium++  Flux</Name>
      <ParameterKey>mms4_hpca_heplusplus_flux_byE_atAnode</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by energy at sample anode numbers'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Helium++  Flux</Name>
      <ParameterKey>mms4_hpca_heplusplus_flux_byAnode_atE</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by anode number at sample energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Helium++ PSD Energy vs Anode</Name>
      <ParameterKey>mms4_hpca_heplusplus_phase_space_density</ParameterKey>
      <Description>Master CDF CATDESC: 'Helium++ Phase Space Density for all Elevation Anodes across all energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>cm^-6 s^3</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Helium++ PSD Energy vs Anode</Name>
      <ParameterKey>mms4_hpca_heplusplus_phase_space_density_movie</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Movie display as function of energy and anode'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Helium++ PSD</Name>
      <ParameterKey>mms4_hpca_heplusplus_phase_space_density_byE_atAnode</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by energy at sample anode numbers'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Helium++ PSD</Name>
      <ParameterKey>mms4_hpca_heplusplus_phase_space_density_byAnode_atE</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by anode number at sample energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>O+ Sweep Status</Name>
      <ParameterKey>mms4_hpca_oplus_data_quality</ParameterKey>
      <Description>Master CDF CATDESC: 'O+ per sweep status (0=bad): see Data_Quality_Key global attribute'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>(0=bad) </Units>
      <FillValue>65535</FillValue>
    </Parameter2>
    <Parameter2>
      <Name>Oxygen+ Flux Energy vs Anode</Name>
      <ParameterKey>mms4_hpca_oplus_flux</ParameterKey>
      <Description>Master CDF CATDESC: 'Oxygen+ Flux for all Elevation Anodes across all energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Oxygen+ Flux Energy vs Anode</Name>
      <ParameterKey>mms4_hpca_oplus_flux_movie</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Movie display as function of energy and anode'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Oxygen+ Flux</Name>
      <ParameterKey>mms4_hpca_oplus_flux_byE_atAnode</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by energy at sample anode numbers'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Oxygen+ Flux</Name>
      <ParameterKey>mms4_hpca_oplus_flux_byAnode_atE</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by anode number at sample energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Oxygen+ PSD Energy vs Anode</Name>
      <ParameterKey>mms4_hpca_oplus_phase_space_density</ParameterKey>
      <Description>Master CDF CATDESC: 'Oxygen+ Phase Space Density for all Elevation Anodes across all energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>cm^-6 s^3</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Oxygen+ PSD Energy vs Anode</Name>
      <ParameterKey>mms4_hpca_oplus_phase_space_density_movie</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Movie display as function of energy and anode'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Oxygen+ PSD</Name>
      <ParameterKey>mms4_hpca_oplus_phase_space_density_byE_atAnode</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by energy at sample anode numbers'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Oxygen+ PSD</Name>
      <ParameterKey>mms4_hpca_oplus_phase_space_density_byAnode_atE</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Spectrograms by anode number at sample energies'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>1/(cm^2 s sr eV)</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Magnetic field vector in DMPA plus Btotal (8 or 16 S/s)</Name>
      <ParameterKey>mms4_hpca_B_GSE_sweep_avg</ParameterKey>
      <Description>Master CDF CATDESC: 'Magnetic field vector in DMPA plus Btotal (8 or 16 S/s), Despun MPA-aligned cartesian coordinates'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>nT</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>4</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Magnetic field vector in GSM plus Btotal (8 or 16 S/s)</Name>
      <ParameterKey>mms4_hpca_B_GSM_sweep_avg</ParameterKey>
      <Description>Master CDF CATDESC: '---&gt; Magnetic field vector in GSM plus Btotal (8 or 16 S/s), Geocentric Solar Magnetospheric (GSM) cartesian coordinates'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units>nT</Units>
      <FillValue>-1e+31</FillValue>
      <Structure>
        <Size>4</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>MCP_VMON_MIN_converted</Name>
      <ParameterKey>mms4_hpca_MCP_VMON_MIN_converted</ParameterKey>
      <Description>Master CDF CATDESC: 'LIMITS - MCP_VMON_MIN_converted'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units> </Units>
      <FillValue>1e+31</FillValue>
    </Parameter2>
    <Parameter2>
      <Name>TOF_VMON_MIN_converted</Name>
      <ParameterKey>mms4_hpca_TOF_VMON_MIN_converted</ParameterKey>
      <Description>Master CDF CATDESC: 'LIMITS - TOF_VMON_MIN_converted'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units> </Units>
      <FillValue>1e+31</FillValue>
    </Parameter2>
    <Parameter2>
      <Name>SCI_DEC_FACTOR_TABLE_IDX</Name>
      <ParameterKey>mms4_hpca_decimation_factor_index</ParameterKey>
      <Description>Master CDF CATDESC: 'Decimation Factor Index from mode config file'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'</Description>
      <Units> </Units>
      <FillValue>255</FillValue>
    </Parameter2>
    <Parameter2>
      <Name>UTC converted from TAI time</Name>
      <ParameterKey>Epoch_Angles</ParameterKey>
      <Description>CATDESC: 'Start time for the Azimuth Angles Associated with each 1/2 spin'. Notes not in Master CDF: 'The units are the units in CDF files. For other web services, this variable is may be represented as a time string.'</Description>
      <Units>ns</Units>
      <Support>
        <Qualifier>Scalar</Qualifier>
        <SupportQuantity>Temporal</SupportQuantity>
      </Support>
    </Parameter2>
    <Parameter2>
      <Name>Azimuth Angles in degrees</Name>
      <ParameterKey>mms4_hpca_azimuth_angles_degrees</ParameterKey>
      <Description>Master CDF CATDESC: 'Azimuth Angles in degrees for each anode for each HPCA half-spin'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_Angles.'</Description>
      <Units>deg</Units>
      <FillValue>720.0</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>16</Size>
      </Structure>
    </Parameter2>
    <Parameter2>
      <Name>Azimuth Angle per eV in degrees</Name>
      <ParameterKey>mms4_hpca_azimuth_angles_per_ev_degrees</ParameterKey>
      <Description>Master CDF CATDESC: 'Azimuth Angle per eV in degrees for each anode for each HPCA half-spin'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_Angles.'</Description>
      <Units>deg</Units>
      <FillValue>720.0</FillValue>
      <Structure>
        <Size>16</Size>
        <Size>16</Size>
        <Size>63</Size>
      </Structure>
    </Parameter2>
  </NumericalData>
</Spase>
