{
  "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_elm2_3dp_00000000_v01.json (from all.xml)",
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/Wind/3DP/EESA_LOW/Moments",
      "_ResourceID": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json",
      "ResourceHeader": {
        "ResourceName": "Electron Moments (ground-computed), EESA Low, Wind 3DP",
        "_ResourceName": "Source: Master/CDFglobalAttributes/Logical_source_description",
        "AlternateName": "wi_elm2_3dp",
        "_AlternateName": "Source: Master/CDFglobalAttributes/Logical_source",
        "Description": "Wind 3dp, ELM2Lynn Wilson Note Feb2015 Correct spacecraft potential is important to scientifically useful results .No documentation found on how this potential has been calculated.",
        "_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": [
          {
            "Name": "Caveats to the use of Wind 3DP data",
            "URL": "https://spdf.gsfc.nasa.gov/pub/data/wind/3dp/wind3dp_caveats.pdf",
            "Description": "Caveats for the correct use of Wind 3DP datasets",
            "_Note": "URL also in all.xml, master. Using InformationURL.json."
          },
          {
            "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/10.48322/4tk0-a011",
      "_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_elm2",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "wi_elm2_3dp_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "WI_ELM2_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_elm2",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "wi_elm2_3dp_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "WI_ELM2_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_ELM2_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_ELM2_3DP",
            "Style": "WebService",
            "ProductKey": "WI_ELM2_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_ELM2_3DP/clientLibraryExample/",
            "ProductKey": "WI_ELM2_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_ELM2_3DP",
            "ProductKey": "WI_ELM2_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_ELM2_3DP",
            "Style": "HAPI",
            "ProductKey": "WI_ELM2_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_ELM2_3DP&return=script",
            "Style": "HAPI",
            "ProductKey": "WI_ELM2_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_ELM2_3DP&format=gallery",
            "Style": "x_Visualization",
            "ProductKey": "WI_ELM2_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": "1994-11-15T12:54:33Z",
          "StopDate": "2026-06-22T23:59:24Z"
        },
        "_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)",
        "ELM2 (from Master/CDFglobalAttributes/Data_type)",
        "EESA Low Electron Moments (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": "SC_POT",
          "ParameterKey": "SC_POT",
          "Description": "Master CDF CATDESC: '[SC_POT] Spacecraft potential estimated from electron 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": -1e+31
        },
        {
          "Name": "SC_CURRENT",
          "ParameterKey": "SC_CURRENT",
          "Description": "Master CDF CATDESC: '---> [SC_CURRENT?] Current contribution to the spacecraft from thermal electrons'. 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": -1e+31
        },
        {
          "Name": "Magnetic Field Vector, cartesian",
          "ParameterKey": "MAGF",
          "Description": "Master CDF CATDESC: '---> [MAGF] magnetic field vector interpolated (linearly) to the time of the EESA 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": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Electron number density",
          "ParameterKey": "DENSITY",
          "Description": "Master CDF CATDESC: '---> [DENSITY] Electron 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": -1e+31
        },
        {
          "Name": "Average electron temperature",
          "ParameterKey": "AVGTEMP",
          "Description": "Master CDF CATDESC: '---> [AVGTEMP] Average electron 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": -1e+31
        },
        {
          "Name": "electron most probable speed",
          "ParameterKey": "VTHERMAL",
          "Description": "Master CDF CATDESC: '---> [VTHERMAL] electron 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": -1e+31
        },
        {
          "Name": "electron Bulk Flow Velocity, cartesian",
          "ParameterKey": "VELOCITY",
          "Description": "Master CDF CATDESC: '---> [VELOCITY] electron 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": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "electron total number flux",
          "ParameterKey": "FLUX",
          "Description": "Master CDF CATDESC: '---> [FLUX] electron 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": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "electron Pressure Tensor",
          "ParameterKey": "PTENS",
          "Description": "Master CDF CATDESC: '[PTENS] electron 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": -1e+31,
          "Structure": {
            "Size": [
              6
            ]
          }
        },
        {
          "Name": "electron Momentum Flux Tensor",
          "ParameterKey": "MFTENS",
          "Description": "Master CDF CATDESC: '---> [MFTENS] electron 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": -1e+31,
          "Structure": {
            "Size": [
              6
            ]
          }
        },
        {
          "Name": "eflux",
          "ParameterKey": "EFLUX",
          "Description": "Master CDF CATDESC: '---> [EFLUX] 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": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "electron Temp Tensor diagonals",
          "ParameterKey": "T3",
          "Description": "Master CDF CATDESC: '---> [T3] electron 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": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Symmetry direction, electron pressure tensor",
          "ParameterKey": "SYMM",
          "Description": "Master CDF CATDESC: '[SYMM] ZZ-component of the eigenvectors associated with the eigen values from the diagonalized .T3 (i.e., the eigenvector associated with the Z eigen value from .T3 or .T3[2])'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "electron symmetry direction, latitude",
          "ParameterKey": "SYMM_THETA",
          "Description": "Master CDF CATDESC: '---> [SYMM_THETA] Spherical coordinate latitude of .SYMM'. 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": -1e+31
        },
        {
          "Name": "electron symmetry direction, longitude",
          "ParameterKey": "SYMM_PHI",
          "Description": "Master CDF CATDESC: '---> [SYMM_PHI] Spherical coordinate longitude of .SYMM'. 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": -1e+31
        },
        {
          "Name": "Angle of electron symmetry direction to B",
          "ParameterKey": "SYMM_ANG",
          "Description": "Master CDF CATDESC: '---> [SYMM_ANG] angle between the ZZ-component of the eigenvectors associated with the eigen values from the diagonalized .T3 and the magnetic field vector (i.e., .MAGF 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": -1e+31
        },
        {
          "Name": "MAGT3",
          "ParameterKey": "MAGT3",
          "Description": "Master CDF CATDESC: '---> [MAGT3] electron 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": "eV",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "electron energy  range",
          "ParameterKey": "ERANGE",
          "Description": "Master CDF CATDESC: '[P.ERANGE] electron 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": -1e+31,
          "Structure": {
            "Size": [
              2
            ]
          }
        },
        {
          "Name": "electron mass of species",
          "ParameterKey": "MASS",
          "Description": "Master CDF CATDESC: '---> [MASS] electron mass of species'. Master CDF VAR_NOTES: 'Units are eV/c^2, where c = speed of light in units of km/s.  This results is a value of ~5.68566 x 10^(-6) for electrons and ~0.0104389 for protons.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "eV/c^2",
          "FillValue": -1e+31
        },
        {
          "Name": "electron validity flag; 1=OK",
          "ParameterKey": "VALID",
          "Description": "Master CDF CATDESC: '---> [VALID] electron 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": "electron bulk flow velocity; magnitude",
          "ParameterKey": "VEL_MAG",
          "Description": "Master CDF CATDESC: '[VEL_MAG] electron bulk 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": -1e+31
        },
        {
          "Name": "electron bulk flow velocity; latitude",
          "ParameterKey": "VEL_TH",
          "Description": "Master CDF CATDESC: '---> [VEL_TH] electron bulk 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": -1e+31
        },
        {
          "Name": "electron bulk flow velocity; longitude",
          "ParameterKey": "VEL_PHI",
          "Description": "Master CDF CATDESC: '---> [VELPHI] electron bulk 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": -1e+31
        },
        {
          "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": -1e+31
        }
      ]
    }
  }
}