{
  "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_h0_pwi_00000000_v01.json (from all.xml)",
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/POLAR/PWI/MCA/PT1.3S",
      "_ResourceID": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json",
      "ResourceHeader": {
        "ResourceName": "Polar Plasma Wave Instrument, MCA, ~1.3 sec fields",
        "_ResourceName": "Source: Master/CDFglobalAttributes/Logical_source_description",
        "AlternateName": "po_h0_pwi",
        "_AlternateName": "Source: Master/CDFglobalAttributes/Logical_source",
        "Description": "Reference:..Gurnett, D.A. et al, The Polar plasma wave instrument, Space Science Reviews, Vol. 71, pp. 597-622, 1995.GURNETT@IOWAVE.physics.uiowa.eduNote:..The electron cyclotron frequencies are derived from the following:  Fce = 0.028 kHz*B, where B is the magnitude of the ambient magnetic field measured in nT.  All frequencies are converted to Hz.There are 20 MCA E frequency bands, logarithmically spaced and 14 MCA B frequency bands, logarithmically spaced.",
        "_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": "Polar Plasma Wave Investigation (PWI) Data and User's Guides",
            "URL": "https://www-pw.physics.uiowa.edu/plasma-wave/istp/polar/data.html",
            "Description": "A Polar PWI page is maintained at the University of Iowa with descriptions of interpretation issues, user's guides, data availability tables, a form for creating summary plots and access to pregenerated dynamic spectrograms.",
            "Language": "en",
            "_Note": "Source: InformationURL.json"
          },
          {
            "Name": "User's Guide to PWI Receiver Design Features and Modes",
            "URL": "https://www-pw.physics.uiowa.edu/plasma-wave/istp/polar/modes.html",
            "Description": "Descriptions of PWI receiver and antenna modes.",
            "Language": "en",
            "_Note": "Source: InformationURL.json"
          }
        ]
      },
      "ProviderResourceName": "POLAR PWI MCA",
      "DOI": "https://doi.org/10.48322/879x-0r04",
      "_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: D. Gurnett at U. Iowa",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "HTTPS from SPDF",
            "URL": "https://cdaweb.gsfc.nasa.gov/pub/data/polar/pwi/pwi_h0",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "po_h0_pwi_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "PO_H0_PWI"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: D. Gurnett at U. Iowa",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "FTPS from SPDF",
            "URL": "ftps://cdaweb.gsfc.nasa.gov/pub/data/polar/pwi/pwi_h0",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "po_h0_pwi_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "PO_H0_PWI"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: D. Gurnett at U. Iowa",
          "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_H0_PWI"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: D. Gurnett at U. Iowa",
          "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_H0_PWI",
            "Style": "WebService",
            "ProductKey": "PO_H0_PWI",
            "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: D. Gurnett at U. Iowa",
          "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_H0_PWI/clientLibraryExample/",
            "ProductKey": "PO_H0_PWI",
            "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: D. Gurnett at U. Iowa",
          "Format": [
            "HTML"
          ],
          "AccessURL": {
            "Name": "4D Orbit Viewer",
            "URL": "https://sscweb.gsfc.nasa.gov/4dorbit/?sc=PO_H0_PWI",
            "ProductKey": "PO_H0_PWI",
            "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: D. Gurnett at U. Iowa",
          "Format": [
            "CSV",
            "JSON",
            "Binary"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=PO_H0_PWI@0",
            "Style": "HAPI",
            "ProductKey": [
              "PO_H0_PWI@0",
              "PO_H0_PWI@1"
            ],
            "Description": "Web Service to this product using the HAPI interface. Note that HAPI dataset has a collection of parameters, each having the same time stamps. This CDAWeb dataset contains 2 HAPI-type datasets. The @0, @1, ... at the end of the ParameterKeys indicates the index of the CDAWeb dataset. (The dataset index <=> CDF file time variable pairs are @0 => Epoch, @1 => EpochB.)"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: D. Gurnett at U. Iowa",
          "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_H0_PWI@0&return=script",
            "Style": "HAPI",
            "ProductKey": [
              "PO_H0_PWI@0",
              "PO_H0_PWI@1"
            ],
            "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. Note that HAPI dataset has a collection of parameters, each having the same time stamps. This CDAWeb dataset contains 2 HAPI-type datasets. The @0, @1, ... at the end of the ParameterKeys indicates the index of the CDAWeb dataset. (The dataset index <=> CDF file time variable pairs are @0 => Epoch, @1 => EpochB.)"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: D. Gurnett at U. Iowa",
          "Format": [
            "PNG",
            "PDF",
            "SVG"
          ],
          "AccessURL": {
            "Name": "HAPI visualizations",
            "URL": "https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=PO_H0_PWI@0&format=gallery",
            "Style": "x_Visualization",
            "ProductKey": [
              "PO_H0_PWI@0",
              "PO_H0_PWI@1"
            ],
            "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": "1996-03-25T00:00:07Z",
          "StopDate": "1997-09-16T16:53:03Z"
        },
        "_TemporalDescription": "Generated from all.xml/@timerange_start and all.xml/@timerange_stop"
      },
      "Keyword": [
        "Polar Plasma Laboratory (from all.xml/observatory/description/@short)",
        "Plasma Wave Instrument (from all.xml/instrument/description/@short)",
        "Space Physics (from Master/CDFglobalAttributes/Discipline)",
        "Magnetospheric Science (from Master/CDFglobalAttributes/Discipline)",
        "POLAR (from Master/CDFglobalAttributes/Source_name)",
        "Polar Plasma Laboratory (from Master/CDFglobalAttributes/Source_name)",
        "H0 (from Master/CDFglobalAttributes/Data_type)",
        "MCA (from Master/CDFglobalAttributes/Data_type)",
        "PWI (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/PWI",
      "MeasurementType": [
        "Waves.Passive",
        "Spectrum"
      ],
      "Parameter2": [
        {
          "Name": "Time",
          "ParameterKey": "Epoch",
          "Description": "CATDESC: 'Time, begin time of MCA E spectrum'. 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": "Electron Cyclotron Frequency",
          "ParameterKey": "Fce",
          "Description": "Master CDF CATDESC: 'Electron Cyclotron Frequency, scalar'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Hz",
          "FillValue": -1e+31
        },
        {
          "Name": "Antenna for MCA E",
          "ParameterKey": "MCAE_Antenna",
          "Description": "Master CDF CATDESC: 'Antenna (MCAE) 0 = Eu, 1 = Ev, 2 = Ez'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "(0=Eu,1=Ev,2=Ez) ",
          "FillValue": -2147483648
        },
        {
          "Name": "Antenna for MCA B",
          "ParameterKey": "MCAB_Antenna",
          "Description": "Master CDF CATDESC: 'Antenna (MCAB) 1 = Bu, 2 = Bv, 3 = Bz'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "(0=Bu,1=Bv,2=Bz)",
          "FillValue": -2147483648
        },
        {
          "Name": "Time",
          "ParameterKey": "Time_PB5",
          "Description": "Master CDF CATDESC: 'Time, begin time of spectrum'. Master CDF VAR_NOTES: 'Contains Year, DOY, MSOD'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -2147483648,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Elec. Field MCA E",
          "ParameterKey": "MCAE_Elec",
          "Description": "Master CDF CATDESC: 'Elec. Field at 20 freq., 5.62-311000 Hz (MCA E)'. Master CDF VAR_NOTES: ' '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "(V/M)**2/Hz",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              20
            ]
          }
        },
        {
          "Name": "Time",
          "ParameterKey": "EpochB",
          "Description": "CATDESC: 'Time, begin time of MCA B spectrum'. 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": "Mag. Field MCA B",
          "ParameterKey": "MCAB_Mag",
          "Description": "Master CDF CATDESC: 'Mag. Field at 14 freq., 5.62-10000 Hz (MCA B)'. Master CDF VAR_NOTES: 'Uses the first 14 Frequency Values'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is EpochB.'",
          "Units": "nT**2/Hz",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              14
            ]
          }
        }
      ]
    }
  }
}