{
  "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/wi_plsp_3dp_00000000_v01.json (from all.xml)",
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/Wind/3DP/PLSP/PT24S",
      "_ResourceID": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json",
      "ResourceHeader": {
        "ResourceName": "Ion omnidirectional fluxes 0.4-3 keV and moments, often at ~24 second resolution, PESA Low, Wind 3DP",
        "_ResourceName": "Source: Master/CDFglobalAttributes/Logical_source_description",
        "AlternateName": "wi_plsp_3dp",
        "_AlternateName": "Source: Master/CDFglobalAttributes/Logical_source",
        "Description": "Wind 3dp, PESA Low (~24 sec resolution) energy spectra with ion moments ",
        "_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://spdf.gsfc.nasa.gov/pub/data/wind/3dp/wind3dp_caveats.pdf",
            "Name": "Caveats for the correct use of Wind 3DP datasets",
            "Description": " ",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "Name": "Wind 3DP home page at UCB",
            "URL": "http://sprg.ssl.berkeley.edu/wind3dp/",
            "Description": "home page at UCB (with plotting and digital data)",
            "_Note": "URL also in all.xml, master. Using InformationURL.json."
          }
        ]
      },
      "DOI": "https://doi.org/10.48322/c4mf-9n52",
      "_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: R. Lin/S. Bale at UC Berkeley",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "HTTPS from SPDF",
            "URL": "https://cdaweb.gsfc.nasa.gov/pub/data/wind/3dp/3dp_plsp",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "wi_plsp_3dp_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "WI_PLSP_3DP"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: R. Lin/S. Bale at UC Berkeley",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "FTPS from SPDF",
            "URL": "ftps://cdaweb.gsfc.nasa.gov/pub/data/wind/3dp/3dp_plsp",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "wi_plsp_3dp_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "WI_PLSP_3DP"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: R. Lin/S. Bale at UC Berkeley",
          "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": "WI_PLSP_3DP"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: R. Lin/S. Bale at UC Berkeley",
          "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=WI_PLSP_3DP",
            "Style": "WebService",
            "ProductKey": "WI_PLSP_3DP",
            "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: R. Lin/S. Bale at UC Berkeley",
          "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/WI_PLSP_3DP/clientLibraryExample/",
            "ProductKey": "WI_PLSP_3DP",
            "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: R. Lin/S. Bale at UC Berkeley",
          "Format": [
            "HTML"
          ],
          "AccessURL": {
            "Name": "4D Orbit Viewer",
            "URL": "https://sscweb.gsfc.nasa.gov/4dorbit/?sc=WI_PLSP_3DP",
            "ProductKey": "WI_PLSP_3DP",
            "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: R. Lin/S. Bale at UC Berkeley",
          "Format": [
            "CSV",
            "JSON",
            "Binary"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=WI_PLSP_3DP",
            "Style": "HAPI",
            "ProductKey": "WI_PLSP_3DP",
            "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: R. Lin/S. Bale at UC Berkeley",
          "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=WI_PLSP_3DP&return=script",
            "Style": "HAPI",
            "ProductKey": "WI_PLSP_3DP",
            "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: R. Lin/S. Bale at UC Berkeley",
          "Format": [
            "PNG",
            "PDF",
            "SVG"
          ],
          "AccessURL": {
            "Name": "HAPI visualizations",
            "URL": "https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=WI_PLSP_3DP&format=gallery",
            "Style": "x_Visualization",
            "ProductKey": "WI_PLSP_3DP",
            "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": "1994-11-15T12:53:44Z",
          "StopDate": "2026-06-22T23:59:51Z"
        },
        "_TemporalDescription": "Generated from all.xml/@timerange_start and all.xml/@timerange_stop"
      },
      "Keyword": [
        "Wind Interplanetary Plasma Laboratory (from all.xml/observatory/description/@short)",
        "3-D PLASMA ANALYZER (from all.xml/instrument/description/@short)",
        "Space Physics (from Master/CDFglobalAttributes/Discipline)",
        "Interplanetary Studies (from Master/CDFglobalAttributes/Discipline)",
        "WIND (from Master/CDFglobalAttributes/Source_name)",
        "Wind Interplanetary Plasma Laboratory (from Master/CDFglobalAttributes/Source_name)",
        "PLSP (from Master/CDFglobalAttributes/Data_type)",
        "PESA (proton/ion electro-static analyzer) Low - Spectra Protons (from Master/CDFglobalAttributes/Data_type)",
        "3DP (from all.xml/instrument/@ID)"
      ],
      "ObservedRegion": [
        "Earth.Magnetosphere.Magnetotail",
        "Earth.Magnetosphere",
        "Earth.Magnetosheath",
        "Earth.NearSurface.AuroralRegion",
        "Earth.Magnetosphere.Main",
        "Heliosphere.NearEarth",
        "Earth.NearSurface.Plasmasphere",
        "Heliosphere.Inner",
        "Earth.NearSurface.PolarCap",
        "Heliosphere"
      ],
      "_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/Wind/3DP",
      "MeasurementType": "ThermalPlasma",
      "Parameter2": [
        {
          "Name": "Time",
          "ParameterKey": "Epoch",
          "Description": "CATDESC: 'Time, Centered'. 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": "ms",
          "Support": {
            "Qualifier": "Scalar",
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "Proton_No_Flux",
          "ParameterKey": "FLUX",
          "Description": "Master CDF CATDESC: '[FLUX] Proton number flux, 15 energy channels populated approximately 0.4-3 keV [spectrogram]'. Master CDF VAR_NOTES: 'Proton number flux in 14 energy channels populated from about 0.6 keV to about 10 keV.  Channel energies vary with time, keeping the peak flux in channel 10.  Channel 15 is the lowest energy channel.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "#/cm^2-ster-eV-sec",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              15
            ]
          }
        },
        {
          "Name": "Proton_No_Flux",
          "ParameterKey": "FLUX_STACKED",
          "Description": "Master CDF CATDESC: '---> As stacked plot'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "#/cm^2-ster-eV-sec",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              15
            ]
          }
        },
        {
          "Name": "Energy",
          "ParameterKey": "ENERGY",
          "Description": "Master CDF CATDESC: '---> Time-variable energy in each of 15 channels'. Master CDF VAR_NOTES: 'Energy, for 14 channels ~0.6 to ~10 KeV'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              15
            ]
          }
        },
        {
          "Name": "Energy",
          "ParameterKey": "ENERGY_good",
          "Description": "Master CDF CATDESC: '---> Time-variable energy in each of 15 channels'. Master CDF VAR_NOTES: 'Energy, for 14 channels ~0.6 to ~10 KeV'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV",
          "FillValue": 0.0,
          "Structure": {
            "Size": [
              15
            ]
          }
        },
        {
          "Name": "Mom.P.TIME UNIX time, sec since 1-1-70",
          "ParameterKey": "MOM.P.TIME",
          "Description": "Master CDF CATDESC: 'Mom.P.TIME. Unix time, seconds since January 1, 1970'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "sec since 1-1-70",
          "FillValue": "NaN"
        },
        {
          "Name": "MOM.P.SC_POT",
          "ParameterKey": "MOM.P.SC_POT",
          "Description": "Master CDF CATDESC: '[DO NOT USE / NOT POPULATED?] [P.SC_POT] Spacecraft potential estimated from proton ONLY measurements'. 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": "NaN"
        },
        {
          "Name": "MOM.P.SC_CURRENT",
          "ParameterKey": "MOM.P.SC_CURRENT",
          "Description": "Master CDF CATDESC: '[P.SC_CURRENT?] Current contribution to the spacecraft from thermal protons'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "#/cm2-sec",
          "FillValue": "NaN"
        },
        {
          "Name": "Magnetic Field Vector, cartesian",
          "ParameterKey": "MOM.P.MAGF",
          "Description": "Master CDF CATDESC: '---> [P.MAGF] magnetic field vector interpolated (linearly) to the time of the PESA Low distribution, in GSE cartesian components'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "nT",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Proton number density",
          "ParameterKey": "MOM.P.DENSITY",
          "Description": "Master CDF CATDESC: '---> [P.DENSITY] Proton number density'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "#/cm3",
          "FillValue": "NaN"
        },
        {
          "Name": "Average proton temperature",
          "ParameterKey": "MOM.P.AVGTEMP",
          "Description": "Master CDF CATDESC: '---> [P.AVGTEMP] Average proton temperature'. 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": "NaN"
        },
        {
          "Name": "Proton most probable speed",
          "ParameterKey": "MOM.P.VTHERMAL",
          "Description": "Master CDF CATDESC: '---> [P.VTHERMAL] Proton most probable speed'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/sec",
          "FillValue": "NaN"
        },
        {
          "Name": "Proton Bulk Flow Velocity, cartesian",
          "ParameterKey": "MOM.P.VELOCITY",
          "Description": "Master CDF CATDESC: '---> [P.VELOCITY] Proton Flow Velocity, GSE cartesian'. 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": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Proton total number flux",
          "ParameterKey": "MOM.P.FLUX",
          "Description": "Master CDF CATDESC: '---> [P.FLUX] Proton total number flux - cartesian GSE'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "#/cm2-sec",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Proton Pressure Tensor",
          "ParameterKey": "MOM.P.PTENS",
          "Description": "Master CDF CATDESC: '[P.PTENS] Proton Pressure Tensor calculated in the GSE coordinate basis.  The elements correspond to, in the following order: XX, YY, ZZ, XY, XZ, YZ'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV/cm^3",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              6
            ]
          }
        },
        {
          "Name": "Proton Momentum Flux Tensor",
          "ParameterKey": "MOM.P.MFTENS",
          "Description": "Master CDF CATDESC: '---> [P.MFTENS] Proton Momentum Flux Tensor calculated in the GSE coordinate basis.  The elements correspond to, in the following order: XX, YY, ZZ, XY, XZ, YZ'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV/cm^3",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              6
            ]
          }
        },
        {
          "Name": "Proton eflux",
          "ParameterKey": "MOM.P.EFLUX",
          "Description": "Master CDF CATDESC: '---> [P.EFLUX] Proton eflux '. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Proton Temp Tensor diagonals",
          "ParameterKey": "MOM.P.T3",
          "Description": "Master CDF CATDESC: '---> [P.T3] Proton Temperature eigenvalues after diagonalization of tensor, calculated in the GSE coordinate basis.  The elements correspond to:  XX, YY, ZZ'. 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": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Symmetry direction, proton pressure tensor",
          "ParameterKey": "MOM.P.SYMM",
          "Description": "Master CDF CATDESC: '[P.SYMM] Symmetry direction of proton pressure tensor, calculated in the GSE coordinate basis.  The elements correspond to:  XX, YY, ZZ and are defined by the largest eigenvalue in .T3'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Proton symmetry direction, latitude",
          "ParameterKey": "MOM.P.SYMM_THETA",
          "Description": "Master CDF CATDESC: '---> [P.SYMM_THETA] Proton symmetry direction, latitude'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Degrees",
          "FillValue": "NaN"
        },
        {
          "Name": "Proton symmetry direction, longitude",
          "ParameterKey": "MOM.P.SYMM_PHI",
          "Description": "Master CDF CATDESC: '---> [P.SYMM_PHI] Proton symmetry direction, longitude'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Degrees",
          "FillValue": "NaN"
        },
        {
          "Name": "Angle of proton symmetry direction to B",
          "ParameterKey": "MOM.P.SYMM_ANG",
          "Description": "Master CDF CATDESC: '---> [P.SYMM_ANG] Angle between proton symmetry direction and the magnetic field vector'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Degrees",
          "FillValue": "NaN"
        },
        {
          "Name": "MOM.P.SYMM_MAGT3",
          "ParameterKey": "MOM.P.MAGT3",
          "Description": "Master CDF CATDESC: '---> [P.SYMM_MAGT3] Proton temperature tensor... rotated into a field-aligned coordinate basis and then taking the diagonal elements only'. Master CDF VAR_NOTES: 'The elements then correspond to:  Perp_1, Perp_2, Parallel (with respect to .MAGF). Let V = .VELOCITY, B = .MAGF, then: Perp_1 = (B x V) x B, Perp_2 = (B x V) and Then T_perp = (MAGT3[0] + MAGT3[1])/2. '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Proton energy  range",
          "ParameterKey": "MOM.P.ERANGE",
          "Description": "Master CDF CATDESC: '[P.ERANGE] Proton energy range used to compute the moments'. 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": "NaN",
          "Structure": {
            "Size": [
              2
            ]
          }
        },
        {
          "Name": "Proton mass of species",
          "ParameterKey": "MOM.P.MASS",
          "Description": "Master CDF CATDESC: '---> [P.MASS] Proton mass of species'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV/(km/s)^2",
          "FillValue": "NaN"
        },
        {
          "Name": "Proton validity flag; 1=OK",
          "ParameterKey": "MOM.P.VALID",
          "Description": "Master CDF CATDESC: '---> [P.VALID] Proton Validity flag; 1=OK'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "(1=OK)",
          "FillValue": -32768
        },
        {
          "Name": "Proton flow velocity; magnitude",
          "ParameterKey": "MOM.P.VEL_MAG",
          "Description": "Master CDF CATDESC: '[P.VEL_MAG] Proton flow speed'. 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": "NaN"
        },
        {
          "Name": "Proton flow velocity; latitude",
          "ParameterKey": "MOM.P.VEL_TH",
          "Description": "Master CDF CATDESC: '---> [P.VEL_TH] Proton flow velocity; latitude/theta'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Degrees",
          "FillValue": "NaN"
        },
        {
          "Name": "Proton flow velocity; longitude",
          "ParameterKey": "MOM.P.VEL_PHI",
          "Description": "Master CDF CATDESC: '---> [P.VELPHI] Proton flow velocity; longitude/phi'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Degrees",
          "FillValue": "NaN"
        },
        {
          "Name": "MOM.A.TIME UNIX time, sec since 1-1-70",
          "ParameterKey": "MOM.A.TIME",
          "Description": "Master CDF CATDESC: '[MOM.A.TIME UNIX] time, seconds since January 1, 1970'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "sec since 1-1-70",
          "FillValue": "NaN"
        },
        {
          "Name": "MOM.A.SC_POT",
          "ParameterKey": "MOM.A.SC_POT",
          "Description": "Master CDF CATDESC: '[DO NOT USE / NOT POPULATED] [A.SC_POT]  Spacecraft potential estimated from alpha ONLY measurements '. 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": "NaN"
        },
        {
          "Name": "MOM.A.SC_CURRENT",
          "ParameterKey": "MOM.A.SC_CURRENT",
          "Description": "Master CDF CATDESC: '[A.SC_CURRENT]  Current contribution to the spacecraft from thermal alphas'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "#/cm2-sec",
          "FillValue": "NaN"
        },
        {
          "Name": "Magnetic Field Vector, cartesian",
          "ParameterKey": "MOM.A.MAGF",
          "Description": "Master CDF CATDESC: '---> [A.MAGF] magnetic field vector interpolated (linearly) to the time of the PESA Low distribution, in GSE cartesian components'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "nT",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Alpha number density",
          "ParameterKey": "MOM.A.DENSITY",
          "Description": "Master CDF CATDESC: '---> [A.DENSITY]  Alpha number density'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "#/cm3",
          "FillValue": "NaN"
        },
        {
          "Name": "Average alpha temperature",
          "ParameterKey": "MOM.A.AVGTEMP",
          "Description": "Master CDF CATDESC: '---> [A.AVGTEMP] Average alpha temperature'. 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": "NaN"
        },
        {
          "Name": "Alpha most probable speed",
          "ParameterKey": "MOM.A.VTHERMAL",
          "Description": "Master CDF CATDESC: '---> [A.VTHERMAL] Alpha most probable speed'. 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": "NaN"
        },
        {
          "Name": "Alpha Bulk Flow Velocity, cartesian",
          "ParameterKey": "MOM.A.VELOCITY",
          "Description": "Master CDF CATDESC: '---> [A.VELOCITY] Alpha Flow Velocity, GSE cartesian'. 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": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Alpha total number flux",
          "ParameterKey": "MOM.A.FLUX",
          "Description": "Master CDF CATDESC: '---> [P.FLUX] Alpha total number flux - cartesian GSE'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "#/cm2-sec",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Alpha Pressure Tensor",
          "ParameterKey": "MOM.A.PTENS",
          "Description": "Master CDF CATDESC: '[A.PTENS] Alpha Pressure Tensor calculated in the GSE coordinate basis.  The elements correspond to, in the following order: XX, YY, ZZ, XY, XZ, YZ'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV/cm^3",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              6
            ]
          }
        },
        {
          "Name": "Alpha Momentum Flux Tensor",
          "ParameterKey": "MOM.A.MFTENS",
          "Description": "Master CDF CATDESC: '---> [A.MFTENS] Alpha Momentum Flux Tensor calculated in the GSE coordinate basis.  The elements correspond to, in the following order: XX, YY, ZZ, XY, XZ, YZ'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV/cm^3",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              6
            ]
          }
        },
        {
          "Name": "Alpha eflux",
          "ParameterKey": "MOM.A.EFLUX",
          "Description": "Master CDF CATDESC: '---> [A.EFLUX] Alpha eflux '. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Alpha Temp Tensor diagonals",
          "ParameterKey": "MOM.A.T3",
          "Description": "Master CDF CATDESC: '---> [A.T3] Alpha Temperature eigenvalues after diagonalization of tensor, calculated in the GSE coordinate basis.  The elements correspond to:  XX, YY, ZZ'. 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": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Symmetry direction, alpha pressure tensor",
          "ParameterKey": "MOM.A.SYMM",
          "Description": "Master CDF CATDESC: '[A.SYMM] Symmetry direction of alpha pressure tensor, calculated in the GSE coordinate basis.  The elements correspond to:  XX, YY, ZZ and are defined by the largest eigenvalue in .T3'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Alpha symmetry direction, latitude",
          "ParameterKey": "MOM.A.SYMM_THETA",
          "Description": "Master CDF CATDESC: '---> [A.SYMM_THETA] Alpha symmetry direction, latitude'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Degrees",
          "FillValue": "NaN"
        },
        {
          "Name": "Alpha symmetry direction, longitude",
          "ParameterKey": "MOM.A.SYMM_PHI",
          "Description": "Master CDF CATDESC: '---> [A.SYMM_PHI] Alpha symmetry direction, longitude'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Degrees",
          "FillValue": "NaN"
        },
        {
          "Name": "Angle of alpha symmetry direction to B",
          "ParameterKey": "MOM.A.SYMM_ANG",
          "Description": "Master CDF CATDESC: '---> [A.SYMM_ANG] Angle between alpha symmetry direction and magnetic field vector'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Degrees",
          "FillValue": "NaN"
        },
        {
          "Name": "MOM.A.SYMM_MAGT3",
          "ParameterKey": "MOM.A.MAGT3",
          "Description": "Master CDF CATDESC: '---> [A.SYMM_MAGT3] Alpha temperature tensor... rotated into a field-aligned coordinate basis and then taking the diagonal elements only'. Master CDF VAR_NOTES: 'The elements then correspond to:  Perp_1, Perp_2, Parallel (with respect to .MAGF). Let V = .VELOCITY, B = .MAGF, then: Perp_1 = (B x V) x B, Perp_2 = (B x V) and Then T_perp = (MAGT3[0] + MAGT3[1])/2. '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Alpha energy range",
          "ParameterKey": "MOM.A.ERANGE",
          "Description": "Master CDF CATDESC: '[A.ERANGE] Alpha energy range used to compute the moments'. 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": "NaN",
          "Structure": {
            "Size": [
              2
            ]
          }
        },
        {
          "Name": "Alpha mass of species",
          "ParameterKey": "MOM.A.MASS",
          "Description": "Master CDF CATDESC: '---> [A.MASS] Alpha mass of species'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV/(km/s)^2",
          "FillValue": "NaN"
        },
        {
          "Name": "Alpha validity flag; 1=OK",
          "ParameterKey": "MOM.A.VALID",
          "Description": "Master CDF CATDESC: '---> [A.VALID] Alpha validity flag; 1=OK'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "(1=OK)",
          "FillValue": -32768
        },
        {
          "Name": "Alpha flow velocity; magnitude",
          "ParameterKey": "MOM.A.VEL_MAG",
          "Description": "Master CDF CATDESC: '[A.VEL_MAG] Alpha flow speed'. 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": "NaN"
        },
        {
          "Name": "Alpha flow velocity, latitude",
          "ParameterKey": "MOM.A.VEL_TH",
          "Description": "Master CDF CATDESC: '---> [A.VEL_TH] Alpha flow velocity, latitude'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Degrees",
          "FillValue": "NaN"
        },
        {
          "Name": "Alpha flow velocity, longitude",
          "ParameterKey": "MOM.A.VEL_PHI",
          "Description": "Master CDF CATDESC: '---> [A.VEL_PHI] Alpha flow velocity, longitude'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Degrees",
          "FillValue": "NaN"
        },
        {
          "Name": "UNIX  time",
          "ParameterKey": "TIME",
          "Description": "Master CDF CATDESC: 'UNIX time; seconds since January 1, 1970'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "sec since 1-1-70",
          "FillValue": "NaN"
        }
      ]
    }
  }
}