{
  "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/ts2_l2_efi_vdc_00000000_v01.json (from all.xml)",
    "NumericalData": {
      "ResourceID": null,
      "_ResourceID": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json",
      "ResourceHeader": {
        "ResourceName": "TRACERS Satellite 2 Level 2 Electric Fields Instrument (EFI) HF Electric Field",
        "_ResourceName": "Source: Master/CDFglobalAttributes/Logical_source_description",
        "AlternateName": "ts2_l2_efi_vdc",
        "_AlternateName": "Source: Master/CDFglobalAttributes/Logical_source",
        "Description": "https://link-springer-com.libproxy.berkeley.edu/article/10.1007/s11214-025-01202-5Sphere potentials for SV2",
        "_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://tracers.physics.uiowa.edu/",
            "Name": "UIowa",
            "Description": "Portal at",
            "_Note": "URL also in all.xml. Using master."
          }
        ]
      },
      "Caveats": "https://tracers.physics.uiowa.edu/rules-use",
      "_Caveats": "Source: Master/CDFglobalAttributes/Rules_of_use",
      "DOI": null,
      "_DOI": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/DOI.json",
      "AccessInformation": [
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: J. W. Bonnell at Space Sciences Laboratory",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "HTTPS from SPDF",
            "URL": "https://cdaweb.gsfc.nasa.gov/pub/data/tracers/tracers2/efi/l2/vdc",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "ts2_l2_efi_vdc_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "TS2_L2_EFI_VDC"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: J. W. Bonnell at Space Sciences Laboratory",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "FTPS from SPDF",
            "URL": "ftps://cdaweb.gsfc.nasa.gov/pub/data/tracers/tracers2/efi/l2/vdc",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "ts2_l2_efi_vdc_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "TS2_L2_EFI_VDC"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: J. W. Bonnell at Space Sciences Laboratory",
          "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": "TS2_L2_EFI_VDC"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: J. W. Bonnell at Space Sciences Laboratory",
          "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=TS2_L2_EFI_VDC",
            "Style": "WebService",
            "ProductKey": "TS2_L2_EFI_VDC",
            "Description": "Web service user interface for this product."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: J. W. Bonnell at Space Sciences Laboratory",
          "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/TS2_L2_EFI_VDC/clientLibraryExample/",
            "ProductKey": "TS2_L2_EFI_VDC",
            "Style": "WebService",
            "Description": "Web service that generates a Python script to access this product."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/SSCWeb. Please also acknowledge the data producer: J. W. Bonnell at Space Sciences Laboratory",
          "Format": [
            "HTML"
          ],
          "AccessURL": {
            "Name": "4D Orbit Viewer",
            "URL": "https://sscweb.gsfc.nasa.gov/4dorbit/?sc=TS2_L2_EFI_VDC",
            "ProductKey": "TS2_L2_EFI_VDC",
            "Style": "x_Visualization",
            "Description": "Web Service to this product."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: J. W. Bonnell at Space Sciences Laboratory",
          "Format": [
            "CSV",
            "JSON",
            "Binary"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=TS2_L2_EFI_VDC",
            "Style": "HAPI",
            "ProductKey": "TS2_L2_EFI_VDC",
            "Description": "Web Service to this product using the HAPI interface."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: J. W. Bonnell at Space Sciences Laboratory",
          "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=TS2_L2_EFI_VDC&return=script",
            "Style": "HAPI",
            "ProductKey": "TS2_L2_EFI_VDC",
            "Description": "Web Service user interface that generates scripts in IDL, Javascript, MATLAB, Python, Autoplot, curl, wget to access this product. See https://hapi-server.org/servers/api for the API."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: J. W. Bonnell at Space Sciences Laboratory",
          "Format": [
            "PNG",
            "PDF",
            "SVG"
          ],
          "AccessURL": {
            "Name": "HAPI visualizations",
            "URL": "https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=TS2_L2_EFI_VDC&format=gallery",
            "Style": "x_Visualization",
            "ProductKey": "TS2_L2_EFI_VDC",
            "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": "2025-08-05T00:00:14Z",
          "StopDate": "2026-05-01T00:00:08Z"
        },
        "_TemporalDescription": "Generated from all.xml/@timerange_start and all.xml/@timerange_stop",
        "Cadence": "PT0.125S",
        "_Cadence": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers2/efi/l2/vdc/2025/ts2_l2_efi_vdc_20250805_v1.1.0.cdf. The most common cadence, 125000000 [ns] = PT0.125S, occurred for 82.8528% of the 651156 timesteps."
      },
      "Keyword": [
        "Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellite 2 (from all.xml/observatory/description/@short)",
        "Electric Fields Instrument (from all.xml/instrument/description/@short)",
        "Space Physics (from Master/CDFglobalAttributes/Discipline)",
        "Magnetospheric Science (from Master/CDFglobalAttributes/Discipline)",
        "Ionospheric Science (from Master/CDFglobalAttributes/Discipline)",
        "TRACERS2 (from Master/CDFglobalAttributes/Source_name)",
        "Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellite 2 (from Master/CDFglobalAttributes/Source_name)",
        "L2 (from Master/CDFglobalAttributes/Data_type)",
        "Level 2 (from Master/CDFglobalAttributes/Data_type)",
        "EFI (from all.xml/instrument/@ID)"
      ],
      "ObservedRegion": null,
      "_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": null,
      "MeasurementType": null,
      "Parameter2": [
        {
          "Name": "Sample timestamp in UTC",
          "ParameterKey": "Epoch",
          "Description": "CATDESC: 'Sample timestamp in UTC'. Notes not in Master CDF: 'The units are the units in CDF files. For other web services, this variable is may be represented as a time string.'",
          "Units": "ns",
          "Support": {
            "Qualifier": "Scalar",
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "-X voltage",
          "ParameterKey": "ts2_l2_vdc_xminus",
          "Description": "Master CDF CATDESC: '-X voltage'. Master CDF VAR_NOTES: 'Voltage of the -X antenna'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "V",
          "FillValue": -1e+31
        },
        {
          "Name": "+X voltage",
          "ParameterKey": "ts2_l2_vdc_xplus",
          "Description": "Master CDF CATDESC: '+X voltage'. Master CDF VAR_NOTES: 'Voltage of the +X antenna'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "V",
          "FillValue": -1e+31
        },
        {
          "Name": "-Y voltage",
          "ParameterKey": "ts2_l2_vdc_yminus",
          "Description": "Master CDF CATDESC: '-Y voltage'. Master CDF VAR_NOTES: 'Voltage of the -Y antenna (as measured in the TRACERS frame)'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "V",
          "FillValue": -1e+31
        },
        {
          "Name": "+Y voltage",
          "ParameterKey": "ts2_l2_vdc_yplus",
          "Description": "Master CDF CATDESC: '+Y voltage'. Master CDF VAR_NOTES: 'Voltage of the +Y antenna (as measured in the TRACERS frame)'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "V",
          "FillValue": -1e+31
        }
      ]
    }
  }
}