{
  "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/po_k0_efi_00000000_v01.json (from all.xml)",
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/POLAR/EFI/KeyParameters/PT6S",
      "_ResourceID": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json",
      "ResourceHeader": {
        "ResourceName": "Polar Electric Field Instrument, Key Parameters ",
        "_ResourceName": "Source: Master/CDFglobalAttributes/Logical_source_description",
        "AlternateName": "PO_K0_EFI",
        "_AlternateName": "Source: Master/CDFglobalAttributes/Logical_source",
        "Description": "Reference: DATA FORMAT CONTROL DOCUMENT (DFCD) BETWEEN THE INTERNATIONAL SOLAR-TERRESTRIAL PHYSICS (ISTP) PROGRAM INFORMATION PROCESSING DIVISION (IPD) GROUND DATA PROCESSING SYSTEM AND THE ISTP MISSION INVESTIGATORS SEPTEMBER 1993 Pages 3-57 through 3-60.GGS Instrument papers (DRAFT)December 1992 pages B.2.1 thru B.2.14 inclusive.The Polar Electric Field Instrument KPS will record data from two sets of Langmuir probes.The first set V12, are 130m apart, the second set V34, are 100m apart.",
        "_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/"
        }
      },
      "ProviderResourceName": "POLAR EFI Key Parameters",
      "DOI": "https://doi.org/10.48322/6n18-vn30",
      "_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: F. Mozer at UC Berkeley",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "HTTPS from SPDF",
            "URL": "https://cdaweb.gsfc.nasa.gov/pub/data/polar/efi/efi_k0",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "po_k0_efi_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "PO_K0_EFI"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: F. Mozer at UC Berkeley",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "FTPS from SPDF",
            "URL": "ftps://cdaweb.gsfc.nasa.gov/pub/data/polar/efi/efi_k0",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "po_k0_efi_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "PO_K0_EFI"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: F. Mozer 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": "PO_K0_EFI"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: F. Mozer 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=PO_K0_EFI",
            "Style": "WebService",
            "ProductKey": "PO_K0_EFI",
            "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: F. Mozer 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/PO_K0_EFI/clientLibraryExample/",
            "ProductKey": "PO_K0_EFI",
            "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: F. Mozer at UC Berkeley",
          "Format": [
            "HTML"
          ],
          "AccessURL": {
            "Name": "4D Orbit Viewer",
            "URL": "https://sscweb.gsfc.nasa.gov/4dorbit/?sc=PO_K0_EFI",
            "ProductKey": "PO_K0_EFI",
            "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: F. Mozer at UC Berkeley",
          "Format": [
            "CSV",
            "JSON",
            "Binary"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=PO_K0_EFI",
            "Style": "HAPI",
            "ProductKey": "PO_K0_EFI",
            "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: F. Mozer 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=PO_K0_EFI&return=script",
            "Style": "HAPI",
            "ProductKey": "PO_K0_EFI",
            "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: F. Mozer 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=PO_K0_EFI&format=gallery",
            "Style": "x_Visualization",
            "ProductKey": "PO_K0_EFI",
            "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": "1996-03-15T00:00:02Z",
          "StopDate": "2008-04-28T23:59:52Z"
        },
        "_TemporalDescription": "Generated from all.xml/@timerange_start and all.xml/@timerange_stop",
        "Cadence": "PT5.979S",
        "_Cadence": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/polar/efi/efi_k0/1996/po_k0_efi_19960315_v01.cdf. The most common cadence, 5979 [ms] = PT5.979S, occurred for 87.9370% of the 1786 timesteps. "
      },
      "Keyword": [
        "Polar Plasma Laboratory (from all.xml/observatory/description/@short)",
        "Electric Field Instrument (from all.xml/instrument/description/@short)",
        "Space Physics (from Master/CDFglobalAttributes/Discipline)",
        "Magnetospheric Science (from Master/CDFglobalAttributes/Discipline)",
        "K0 (from Master/CDFglobalAttributes/Data_type)",
        "Key Parameter (from Master/CDFglobalAttributes/Data_type)",
        "EFI (from all.xml/instrument/@ID)"
      ],
      "ObservedRegion": [
        "Earth.NearSurface.Ionosphere",
        "Earth.Magnetosphere",
        "Earth.NearSurface.AuroralRegion",
        "Earth.NearSurface.EquatorialRegion",
        "Earth.NearSurface.Plasmasphere",
        "Earth.Magnetosphere.Polar",
        "Heliosphere.Inner",
        "Earth.NearSurface.PolarCap",
        "Earth.Magnetosphere.RadiationBelt",
        "Earth.NearSurface"
      ],
      "_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/POLAR/EFI",
      "MeasurementType": "ElectricField",
      "Parameter2": [
        {
          "Name": "Time relative to midnight January 1, 0 AD",
          "ParameterKey": "Epoch",
          "Description": "CATDESC: 'Time relative to midnight January 1, 0 AD, Scalar'. 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": "Time Line",
          "ParameterKey": "Time_PB5",
          "Description": "Master CDF CATDESC: 'Time, Scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": [
            "year",
            "day",
            "msec"
          ],
          "FillValue": -2147483648,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "E-Field spin plane",
          "ParameterKey": "ESPIN",
          "Description": "Master CDF CATDESC: 'E-Field spin plane, Scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "mV/m",
          "FillValue": -1e+31
        },
        {
          "Name": "E-Field in xy plane",
          "ParameterKey": "EXY12G",
          "Description": "Master CDF CATDESC: 'E-Field in xy plane, Scalar'. Master CDF VAR_NOTES: 'ground spinfits calculations with avoid B'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "mV/m",
          "FillValue": -1e+31
        },
        {
          "Name": "E-Field in z plane",
          "ParameterKey": "EZ12G",
          "Description": "Master CDF CATDESC: 'E-Field in z plane, Scalar'. Master CDF VAR_NOTES: 'ground spinfits calculations with avoid B'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "mV/m",
          "FillValue": -1e+31
        },
        {
          "Name": "E-Field Sigma",
          "ParameterKey": "SIG12G",
          "Description": "Master CDF CATDESC: 'E-Field Sigma, Scalar'. Master CDF VAR_NOTES: 'ground spinfits calculations with avoid B'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "mV/m",
          "FillValue": -1e+31
        },
        {
          "Name": "Spacecraft Potential",
          "ParameterKey": "POTENT",
          "Description": "Master CDF CATDESC: 'Spacecraft Potential, Scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "-Volts",
          "FillValue": -1e+31
        },
        {
          "Name": "Spectral density at 32Hz",
          "ParameterKey": "BAND1",
          "Description": "Master CDF CATDESC: 'Spectral density at 32Hz, Scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Log (microV/m/Hz^0.5)",
          "FillValue": -1e+31
        },
        {
          "Name": "Spectral density at 256Hz",
          "ParameterKey": "BAND2",
          "Description": "Master CDF CATDESC: 'Spectral density at 256Hz, Scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Log (microV/m/Hz^0.5)",
          "FillValue": -1e+31
        },
        {
          "Name": "Spectral density at 2048Hz",
          "ParameterKey": "BAND3",
          "Description": "Master CDF CATDESC: 'Spectral density at 2048Hz, Scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Log (microV/m/Hz^0.5)",
          "FillValue": -1e+31
        },
        {
          "Name": "Probe Bias Current",
          "ParameterKey": "BIAS1",
          "Description": "Master CDF CATDESC: 'Probe Bias Current, Scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "nA",
          "FillValue": -1e+31
        },
        {
          "Name": "Indicator of Plasma Density",
          "ParameterKey": "DCURR",
          "Description": "Master CDF CATDESC: 'Indicator of Plasma Density, Scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "nA",
          "FillValue": -1e+31
        },
        {
          "Name": "EFI Mode flags",
          "ParameterKey": "EFIMODE",
          "Description": "Master CDF CATDESC: 'EFI Mode flags, Scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -2147483648
        },
        {
          "Name": "Spacecraft shadow flag",
          "ParameterKey": "SHADFLAG",
          "Description": "Master CDF CATDESC: 'Spacecraft shadow flag, Scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Shadow Flag",
          "FillValue": -2147483648
        },
        {
          "Name": "Declination of spin vector (GSE)",
          "ParameterKey": "GSE_ANGLE_Z",
          "Description": "Master CDF CATDESC: 'Declination of spin vector (GSE), Scalar'. 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": "Right ascension of spin vector (GSE)",
          "ParameterKey": "GSE_ANGLE_XY",
          "Description": "Master CDF CATDESC: 'Right ascension of spin vector (GSE), Scalar'. 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": "Either +1 or -1 (changes every 6 months)",
          "ParameterKey": "FLIPFACTOR",
          "Description": "Master CDF CATDESC: 'Either +1 or -1 (changes every 6 months), Scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -2147483648
        },
        {
          "Name": "Data Quality Flag",
          "ParameterKey": "OUTQUAL",
          "Description": "Master CDF CATDESC: 'Data Quality Flag, Scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -2147483648
        },
        {
          "Name": "Gap Flag",
          "ParameterKey": "Gap_Flag",
          "Description": "Master CDF CATDESC: 'Gap Flag, Scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -2147483648
        }
      ]
    }
  }
}