{
  "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.",
    "Version": "2.6.1",
    "_MasterURL": "https://cdaweb.gsfc.nasa.gov/pub/software/cdawlib/0JSONS/mms4_fpi_brst_l2_des-moms_00000000_v01.json (from all.xml)",
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/MMS/4/FastPlasmaInvestigation/DES/Burst/Level2/Moments/PT0.03S",
      "_ResourceID": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json",
      "ResourceHeader": {
        "ResourceName": "MMS Satellite Number 4 Dual Electron Spectrometer Burst-resolution distribution moments",
        "_ResourceName": "Source: Master/CDFglobalAttributes/Logical_source_description",
        "AlternateName": "mms4_fpi_brst_l2_des-moms",
        "_AlternateName": "Source: Master/CDFglobalAttributes/Logical_source",
        "Description": " ",
        "_Description": "Source: Master/CDFglobalAttributes/TEXT",
        "_Rights": {
          "Name": "SPDX",
          "Description": "Creative Commons Zero v1.0 Universal",
          "URL": "https://spdx.org/licenses/CC0-1.0.html",
          "SchemeURI": "https://spdx.org/licenses/"
        },
        "InformationURL": [
          {
            "URL": "https://lasp.colorado.edu/mms/sdc/public/datasets/fpi",
            "Name": "Data Caveats and Current Release Notes at LASP MMS SDC",
            "Description": "FPI ",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "URL": "https://science.nasa.gov/mission/mms",
            "Name": "Public Overview at NASA",
            "Description": "MMS ",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "Name": "The Magnetospheric Multiscale (MMS) Mission home page at Goddard Space Flight Center (GSFC)",
            "URL": "https://mms.gsfc.nasa.gov/",
            "Description": "The Magnetospheric Multiscale (MMS) Mission Home Page hosted by the Goddard Space Flight Center (GSFC).",
            "_Note": "URL also in all.xml, master. Using InformationURL.json."
          },
          {
            "URL": "https://mms.gsfc.nasa.gov/index.html",
            "Name": "Homepage",
            "Description": "MMS at NASA GSFC",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "URL": "https://spdf.gsfc.nasa.gov/pub/data/mms/documents/",
            "Name": "data user information at the SPDF",
            "Description": "MMS",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "Name": "The MMS Mission home page at the Science Data Center (SDC) LASP, UC Boulder",
            "URL": "https://lasp.colorado.edu/mms/sdc/public/",
            "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",
            "_Note": "Source: InformationURL.json"
          },
          {
            "Name": "NASA Web Page providing Inforamtion for the Magnetospheric Multiscale (MMS) Fast Plasma Investigation (FPI) Instrument",
            "URL": "https://www.nasa.gov/mission_pages/mms/spacecraft/mms-instruments.html#fpi",
            "Description": "NASA Web Page providing an Overview of the Magnetospheric Multiscale (MMS) Fast Plasma Investigation (FPI) Instrument",
            "_Note": "Source: InformationURL.json"
          }
        ]
      },
      "DOI": "https://doi.org/10.48322/20ws-ge68",
      "_DOI": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/DOI.json",
      "AccessInformation": [
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: J.Burch; C.Pollock, B.Giles at SwRI, NASA/GSFC",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "HTTPS from SPDF",
            "URL": "https://cdaweb.gsfc.nasa.gov/pub/data/mms/mms4/fpi/brst/l2/des-moms",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "mms4_fpi_brst_l2_des-moms_%Y%m%d%H%M%S_%Q.cdf",
            "AccessDirectoryTemplate": "%Y/%m",
            "ProductKey": "MMS4_FPI_BRST_L2_DES-MOMS"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: J.Burch; C.Pollock, B.Giles at SwRI, NASA/GSFC",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "FTPS from SPDF",
            "URL": "ftps://cdaweb.gsfc.nasa.gov/pub/data/mms/mms4/fpi/brst/l2/des-moms",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "mms4_fpi_brst_l2_des-moms_%Y%m%d%H%M%S_%Q.cdf",
            "AccessDirectoryTemplate": "%Y/%m",
            "ProductKey": "MMS4_FPI_BRST_L2_DES-MOMS"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: J.Burch; C.Pollock, B.Giles at SwRI, NASA/GSFC",
          "Format": [
            "CDF",
            "CSV",
            "GIF",
            "NetCDF",
            "PNG",
            "PS",
            "PDF",
            "XML",
            "x_Script.IDL",
            "x_Script.Python",
            "Text.ASCII",
            "x_WAV"
          ],
          "AccessURL": {
            "Name": "CDAWeb Web Service",
            "URL": "https://cdaweb.gsfc.nasa.gov/WebServices/",
            "Style": "WebService",
            "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.",
            "ProductKey": "MMS4_FPI_BRST_L2_DES-MOMS"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: J.Burch; C.Pollock, B.Giles at SwRI, NASA/GSFC",
          "Format": [
            "CDF",
            "GIF",
            "PDF",
            "Text.ASCII",
            "x_WAV"
          ],
          "AccessURL": {
            "Name": "CDAWeb Web Service user interface",
            "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?index=sp_phys&dataset=MMS4_FPI_BRST_L2_DES-MOMS",
            "Style": "WebService",
            "ProductKey": "MMS4_FPI_BRST_L2_DES-MOMS",
            "Description": "Web service user interface for this product."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: J.Burch; C.Pollock, B.Giles at SwRI, NASA/GSFC",
          "Format": [
            "x_Script.IDL",
            "x_Script.Python"
          ],
          "AccessURL": {
            "Name": "CDAWeb Python Script",
            "URL": "https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/MMS4_FPI_BRST_L2_DES-MOMS/clientLibraryExample/",
            "ProductKey": "MMS4_FPI_BRST_L2_DES-MOMS",
            "Style": "WebService",
            "Description": "Web service that generates a Python script to access this product."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/SSCWeb. Please also acknowledge the data producer: J.Burch; C.Pollock, B.Giles at SwRI, NASA/GSFC",
          "Format": [
            "HTML"
          ],
          "AccessURL": {
            "Name": "4D Orbit Viewer",
            "URL": "https://sscweb.gsfc.nasa.gov/4dorbit/?sc=MMS4_FPI_BRST_L2_DES-MOMS",
            "ProductKey": "MMS4_FPI_BRST_L2_DES-MOMS",
            "Style": "x_Visualization",
            "Description": "Web Service to this product."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: J.Burch; C.Pollock, B.Giles at SwRI, NASA/GSFC",
          "Format": [
            "CSV",
            "JSON",
            "Binary"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=MMS4_FPI_BRST_L2_DES-MOMS",
            "Style": "HAPI",
            "ProductKey": "MMS4_FPI_BRST_L2_DES-MOMS",
            "Description": "Web Service to this product using the HAPI interface."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: J.Burch; C.Pollock, B.Giles at SwRI, NASA/GSFC",
          "Format": [
            "x_Script.IDL",
            "x_Script.Javascript",
            "x_Script.MATLAB",
            "x_Script.Python",
            "x_Script.Autoplot",
            "x_Script.curl",
            "x_Script.wget"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Script in Multiple Languages",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=MMS4_FPI_BRST_L2_DES-MOMS&return=script",
            "Style": "HAPI",
            "ProductKey": "MMS4_FPI_BRST_L2_DES-MOMS",
            "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."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: J.Burch; C.Pollock, B.Giles at SwRI, NASA/GSFC",
          "Format": [
            "PNG",
            "PDF",
            "SVG"
          ],
          "AccessURL": {
            "Name": "HAPI visualizations",
            "URL": "https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=MMS4_FPI_BRST_L2_DES-MOMS&format=gallery",
            "Style": "x_Visualization",
            "ProductKey": "MMS4_FPI_BRST_L2_DES-MOMS",
            "Description": "Web Service that generates plots. See https://hapi-server.org/plot/ for the API."
          }
        }
      ],
      "_AccessInformation": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/AccessInformation.json",
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "2015-09-01T00:00:00Z",
          "StopDate": "2025-09-29T12:26:22Z"
        },
        "_TemporalDescription": "Generated from all.xml/@timerange_start and all.xml/@timerange_stop",
        "Cadence": "PT0.03S",
        "_Cadence": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/mms/mms4/fpi/brst/l2/des-moms/2015/09/mms4_fpi_brst_l2_des-moms_20150901121114_v3.3.0.cdf. The most common cadence, 30000000 [ns] = PT0.03S, occurred for 97.0463% of the 18761 timesteps. "
      },
      "Keyword": [
        "MMS Satellite Number 4 (from all.xml/observatory/description/@short)",
        "Dual Electron Spectrometers (from all.xml/instrument/description/@short)",
        "Space Physics (from Master/CDFglobalAttributes/Discipline)",
        "Magnetospheric Science (from Master/CDFglobalAttributes/Discipline)",
        "MMS4 (from Master/CDFglobalAttributes/Source_name)",
        "MMS Satellite Number 4 (from Master/CDFglobalAttributes/Source_name)",
        "BRST_L2_DES_MOMS (from Master/CDFglobalAttributes/Data_type)",
        "DES (from all.xml/instrument/@ID)"
      ],
      "ObservedRegion": [
        "Earth.Magnetosheath",
        "Earth.Magnetosphere",
        "Earth.Magnetosphere.Magnetotail",
        "Earth.Magnetosphere.Main",
        "Earth.Magnetosphere.RadiationBelt",
        "Earth.NearSurface.EquatorialRegion",
        "Earth.NearSurface.Plasmasphere",
        "Heliosphere.NearEarth"
      ],
      "_ObservedRegion": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ObservedRegion.json",
      "ProcessingLevel": null,
      "_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",
      "InstrumentID": "spase://SMWG/Instrument/MMS/1/FastPlasmaInstrument/DES",
      "MeasurementType": [
        "EnergeticParticles",
        "Spectrum",
        "ThermalPlasma"
      ],
      "Parameter2": [
        {
          "Name": "Epoch",
          "ParameterKey": "Epoch",
          "Description": "CATDESC: 'Default time'. 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.'",
          "Units": "ns",
          "Support": {
            "Qualifier": "Scalar",
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "MMS4 FPI/DES dataQuality errorFlags",
          "ParameterKey": "mms4_des_errorflags_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES 32-bit vector of data-quality indicators at burst-start time'. Master CDF VAR_NOTES: 'Value of zero signifies no quality errors. For non-zero values: Bit-0 = manually flagged interval, Bit-1 = overcounting/saturation effects likely present in skymap, Bit-2 = reported spacecraft potential above 20V, Bit-3 = invalid/unavailable spacecraft potential, Bit-4 = significant (>25%) cold plasma (<10eV) component, Bit-5 = significant (>25%) hot plasma (>30keV) component, Bit-6 = high sonic Mach number (v/vth > 2.5), Bit-7 = low calculated density (n_DES < 0.05 cm^-3), Bit-8 = bentPipe magnetic field used instead of brst l2pre magnetic field, Bit-9 = srvy l2pre magnetic field used instead of brst l2pre magnetic field, Bit-10 = no internally generated photoelectron correction applied'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "(0=Good)",
          "FillValue": 4294967295
        },
        {
          "Name": "MMS4 FPI/DES compression flag",
          "ParameterKey": "mms4_des_compressionloss_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES compression lossless/lossy indicator at survey-start time'. Master CDF VAR_NOTES: 'FPI/DES compression loss indicator, 0=lossless, 1=lossy'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "(0=lossless)",
          "FillValue": 255
        },
        {
          "Name": "MMS4 FPI/DES step table parity",
          "ParameterKey": "mms4_des_steptable_parity_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES step table parity, this burst'. Master CDF VAR_NOTES: 'FPI/DES alternates between two tables, designated \"even\" (0) and \"odd\" (1).'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "0, 1",
          "FillValue": 255
        },
        {
          "Name": "MMS4 FPI/DES start Del-Phi count",
          "ParameterKey": "mms4_des_startdelphi_count_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES Del-Phi (obs spin-phase) count at burst-start time'. Master CDF VAR_NOTES: 'Nominally, spin-phase counts range over [0000, 5759] cnts.  Each count represents 1/16 deg of observatory spin-phase.  Zero spin-phase count indicates obs +X-axis aligned with Sun.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Count",
          "FillValue": 65535
        },
        {
          "Name": "MMS4 FPI/DES start Del-Phi angle",
          "ParameterKey": "mms4_des_startdelphi_angle_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES Del-Phi (obs spin-phase) angle at burst-start time'. Master CDF VAR_NOTES: 'Nominally, spin-phase angles range over [0, 360) deg.  Each count represents 1/16 deg of observatory spin-phase.  Zero spin-phase angle indicates obs +X-axis aligned with Sun.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "MMS4 FPI/DES sector de-Spin P",
          "ParameterKey": "mms4_des_sector_despinp_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES sector de-Spin P value, this burst'. Master CDF VAR_NOTES: 'Records P-value used to de-spin this burst sky-map on board.  See FPI docs for details.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "00-32",
          "FillValue": 255
        },
        {
          "Name": "MMS4 FPI/DES pitchAngDist_lowEn",
          "ParameterKey": "mms4_des_pitchangdist_lowen_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron pitch-angle distribution for \"low\" energies during this burst'. Master CDF VAR_NOTES: 'low energy bin: 0 eV - 200 eV.  pitch-angle bin size: 6 deg.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              30
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES pitchAngDist_midEn",
          "ParameterKey": "mms4_des_pitchangdist_miden_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES electron pitch-angle distribution for \"mid\" energies during this burst'. Master CDF VAR_NOTES: 'mid energy bin: 200 eV - 2 keV.  pitch-angle bin size: 6 deg.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              30
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES pitchAngDist_highEn",
          "ParameterKey": "mms4_des_pitchangdist_highen_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES electron pitch-angle distribution for \"high\" energies during this burst'. Master CDF VAR_NOTES: 'high energy bin: 2 keV - 30 keV.  pitch-angle bin size: 6 deg.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              30
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES energySpectr_pX",
          "ParameterKey": "mms4_des_energyspectr_px_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron energy spectrum \"near\" +X_DSC during this burst'. Master CDF VAR_NOTES: 'Counts, summed over DSC velocity-dirs closest to +X_DSC, by energy bin.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              32
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES energySpectr_mX",
          "ParameterKey": "mms4_des_energyspectr_mx_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES electron energy spectrum \"near\" -X_DSC during this burst'. Master CDF VAR_NOTES: 'Counts, summed over DSC velocity-dirs closest to -X_DSC, by energy bin.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              32
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES energySpectr_pY",
          "ParameterKey": "mms4_des_energyspectr_py_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES electron energy spectrum \"near\" +Y_DSC during this burst'. Master CDF VAR_NOTES: 'Counts, summed over DSC velocity-dirs closest to +Y_DSC, by energy bin.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              32
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES energySpectr_mY",
          "ParameterKey": "mms4_des_energyspectr_my_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES electron energy spectrum \"near\" -Y_DSC during this burst'. Master CDF VAR_NOTES: 'Counts, summed over DSC velocity-dirs closest to -Y_DSC, by energy bin.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              32
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES energySpectr_pZ",
          "ParameterKey": "mms4_des_energyspectr_pz_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES electron energy spectrum \"near\" +Z_DSC during this burst'. Master CDF VAR_NOTES: 'Counts, summed over DSC velocity-dirs closest to +Z_DSC, by energy bin.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              32
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES energySpectr_mZ",
          "ParameterKey": "mms4_des_energyspectr_mz_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES electron energy spectrum \"near\" -Z_DSC during this burst'. Master CDF VAR_NOTES: 'Counts, summed over DSC velocity-dirs closest to -Z_DSC, by energy bin.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              32
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES energySpectr_par",
          "ParameterKey": "mms4_des_energyspectr_par_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron energy parallel spectrum 30 degrees parallel to B during this burst'. Master CDF VAR_NOTES: 'Counts, summed within 30 degrees parallel bentPipe magnetic field.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              32
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES energySpectr_anti",
          "ParameterKey": "mms4_des_energyspectr_anti_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES electron energy anti-parallel spectrum 30 degrees anti-parallel to B during this burst'. Master CDF VAR_NOTES: 'Counts, summed within 30 degrees antiparallel to bentPipe magnetic field.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              32
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES energySpectr_perp",
          "ParameterKey": "mms4_des_energyspectr_perp_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES electron energy perpendicular spectrum 60 degrees perpendicular to B during this burst'. Master CDF VAR_NOTES: 'Counts, summed within 60 degrees perpendicular to bentPipe magnetic field.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              32
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES energySpectr_omni",
          "ParameterKey": "mms4_des_energyspectr_omni_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES omni-directional electron energy spectrum during this burst'. Master CDF VAR_NOTES: 'Differential energy flux, averaged (weighted by solid angle) over all look directions, by energy bin.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "keV/(cm^2 s sr keV)",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              32
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES number density",
          "ParameterKey": "mms4_des_numberdensity_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron number density during this burst'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "cm^-3",
          "FillValue": -1e+31
        },
        {
          "Name": "MMS4 FPI/DES number density",
          "ParameterKey": "mms4_des_numberdensity_brst_noerr",
          "Description": "Master CDF CATDESC: '---> (no error bars displayed) MMS4 FPI/DES electron number density during this burst'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "cm^-3",
          "FillValue": -1e+31
        },
        {
          "Name": "MMS4 FPI/DES number density error",
          "ParameterKey": "mms4_des_numberdensity_err_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES electron number density error during this burst'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "cm^-3",
          "FillValue": -1e+31
        },
        {
          "Name": "MMS4 FPI/DES density extrapolation (low)",
          "ParameterKey": "mms4_des_densityextrapolation_low_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES estimated (via extrapolation to 0) contribution to density integral below 10eV'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "cm^-3",
          "FillValue": -1e+31
        },
        {
          "Name": "MMS4 FPI/DES density extrapolation (high)",
          "ParameterKey": "mms4_des_densityextrapolation_high_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES estimated (via extrapolation to infinity) contribution to density integral above 30keV'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "cm^-3",
          "FillValue": -1e+31
        },
        {
          "Name": "MMS4 FPI/DES DBCS bulk v",
          "ParameterKey": "mms4_des_bulkv_dbcs_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron bulk-velocity DBCS vector during this burst'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES DBCS bulk v spintone",
          "ParameterKey": "mms4_des_bulkv_spintone_dbcs_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron bulk-velocity estimated spintone vector in DBCS during this burst'. Master CDF VAR_NOTES: 'Estimated systematic error (positive or negative) in spin-plane bulk velocity (km/s) due to imperfect sensor suite flat-fielding. This can be subtracted from bulk velocity to obtain the corrected velocity vector.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES DBCS bulk v",
          "ParameterKey": "mms4_des_bulkv_dbcs_brst_noerr",
          "Description": "Master CDF CATDESC: '---> (no error bars displayed) MMS4 FPI/DES electron bulk-velocity DBCS vector during this burst'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES GSE bulk v",
          "ParameterKey": "mms4_des_bulkv_gse_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron bulk-velocity GSE vector during this burst'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "MMS1 FPI/DES GSE bulk v spintone",
          "ParameterKey": "mms4_des_bulkv_spintone_gse_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron bulk-velocity estimated spintone vector in GSE during this burst'. Master CDF VAR_NOTES: 'Estimated systematic error (positive or negative) in spin-plane bulk velocity (km/s) due to imperfect sensor suite flat-fielding. This can be subtracted from bulk velocity to obtain the corrected velocity vector.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES GSE bulk v",
          "ParameterKey": "mms4_des_bulkv_gse_brst_noerr",
          "Description": "Master CDF CATDESC: '---> (no error bars displayed) MMS4 FPI/DES electron bulk-velocity GSE vector during this burst'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES bulk v error",
          "ParameterKey": "mms4_des_bulkv_err_brst",
          "Description": "Master CDF CATDESC: '---> MMS4 FPI/DES electron bulk-velocity error vector during this burst'. Master CDF VAR_NOTES: 'Error can be applied to either DBCS or GSE coordinate system'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES DBCS bulk v spintone",
          "ParameterKey": "mms4_des_bulkv_spin_dbcs_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron bulk-velocity spintone vector in DBCS during this burst'. Master CDF VAR_NOTES: 'Estimated error in spin-plane bulk velocity (km/s) due to imperfect sensor suite flat-fielding'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES GSE bulk v spintone",
          "ParameterKey": "mms4_des_bulkv_spin_gse_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron bulk-velocity spintone vector in GSE during this burst'. Master CDF VAR_NOTES: 'Estimated error in spin-plane bulk velocity (km/s) due to imperfect sensor suite flat-fielding'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES DBCS Pres",
          "ParameterKey": "mms4_des_prestensor_dbcs_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron pressure tensor DBCS matrix during this burst'. Master CDF VAR_NOTES: 'The 3x3 matrix is represented as: Row1) Pxx Pxy Pxz, Row2) Pyx Pyy Pyz, Row3) Pzx Pzy Pzz. Note that Pij=Pji.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "nPa",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3,
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES GSE Pres",
          "ParameterKey": "mms4_des_prestensor_gse_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron pressure tensor GSE matrix during this burst'. Master CDF VAR_NOTES: 'The 3x3 matrix is represented as: Row1) Pxx Pxy Pxz, Row2) Pyx Pyy Pyz, Row3) Pzx Pzy Pzz. Note that Pij=Pji.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "nPa",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3,
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES Pres error",
          "ParameterKey": "mms4_des_prestensor_err_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron pressure tensor error matrix during this burst'. Master CDF VAR_NOTES: 'Error can be applied to either DBCS or GSE coordinate system'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "nPa",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3,
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES DBCS Temp Tensor",
          "ParameterKey": "mms4_des_temptensor_dbcs_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron temperature tensor DBCS matrix during this burst'. Master CDF VAR_NOTES: 'The 3x3 matrix is represented as: Row1) Txx Txy Txz, Row2) Tyx Tyy Tyz, Row3) Tzx Tzy Tzz. Note that Tij=Tji.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3,
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES GSE Temp Tensor",
          "ParameterKey": "mms4_des_temptensor_gse_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron temperature tensor GSE matrix during this burst'. Master CDF VAR_NOTES: 'The 3x3 matrix is represented as: Row1) Txx Txy Txz, Row2) Tyx Tyy Tyz, Row3) Tzx Tzy Tzz. Note that Tij=Tji.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3,
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES DBCS Temp Tensor",
          "ParameterKey": "mms4_des_temptensor_err_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron temperature error tensor matrix during this burst'. Master CDF VAR_NOTES: 'Error can be applied to either DBCS or GSE coordinate system'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3,
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES DBCS heatq",
          "ParameterKey": "mms4_des_heatq_dbcs_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron heat-flux DBCS vector during this burst'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "mW/m^2",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES GSE heatq",
          "ParameterKey": "mms4_des_heatq_gse_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron heat-flux GSE vector during this burst'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "mW/m^2",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES heatq error",
          "ParameterKey": "mms4_des_heatq_err_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron heat-flux error vector during this burst'. Master CDF VAR_NOTES: 'Error can be applied to either DBCS or GSE coordinate system'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "mW/m^2",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "MMS4 FPI1/DES tempPara",
          "ParameterKey": "mms4_des_temppara_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron parallel temperature during this BP'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV",
          "FillValue": -1e+31
        },
        {
          "Name": "MMS4 FPI1/DES tempPerp",
          "ParameterKey": "mms4_des_tempperp_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES electron perpendicular temperature during this BP'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV",
          "FillValue": -1e+31
        },
        {
          "Name": "MMS/FPI energy",
          "ParameterKey": "mms4_des_energy_brst",
          "Description": "Master CDF CATDESC: 'MMS FPI/DES burst sky-map parity 0/1 energies'. Master CDF VAR_NOTES: 'Energies (parities 0/1) in the 64-step FPI energy table'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              32
            ]
          }
        },
        {
          "Name": "MMS4 FPI/DES delta energy",
          "ParameterKey": "mms4_des_energy_delta_brst",
          "Description": "Master CDF CATDESC: 'MMS4 FPI/DES brst survey sky-map delta energies'. Master CDF VAR_NOTES: 'Note that the deltas are provided to indicate that FPI is reporting the energy bin centers. These do not necessarily reflect the energy bandwidth that is sampled by FPI at a given energy step.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              32
            ]
          }
        }
      ]
    }
  }
}