{
  "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/thg_l2_mag_lrv_00000000_v01.json (from all.xml)",
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/THEMIS/Ground/Leirvogur/Magnetometer/PT10S",
      "_ResourceID": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json",
      "ResourceHeader": {
        "ResourceName": "Higher latitude chain (Lat 64.2, Long 338.3), Ground-based Vector Magnetic Field at Leirvogur, Iceland, 10 second resolution data.",
        "_ResourceName": "Source: Master/CDFglobalAttributes/Logical_source_description",
        "AlternateName": "thg_l2_mag_lrv",
        "_AlternateName": "Source: Master/CDFglobalAttributes/Logical_source",
        "Description": "Ground based observatory, affiliated with Science Institute, University of Iceland. Data is preliminary 10 second resolution data. ",
        "_Description": "Source: Master/CDFglobalAttributes/TEXT",
        "Acknowledgement": "Leirvogur Magnetic Observatory, Science Institute, University of Iceland",
        "_Acknowledgement": "Source: Master/CDFglobalAttributes/Acknowledgement",
        "_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": "http://cygnus.rhi.hi.is/~halo/lrv.html",
            "Name": "Leirvogur Magnetic Observatory home page",
            "Description": "Network information can be found at the",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "URL": "https://themis.ssl.berkeley.edu/index.shtml",
            "Name": "THEMIS home page",
            "Description": "Further information about the Time History of Events and Macroscale Interactions During Substorms (THEMIS) mission can be found at the",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "URL": "https://themis.ssl.berkeley.edu/instrument_gmags.shtml",
            "Name": "THEMIS GMAG instrument information page",
            "Description": "Information about the Fluxgate Magnetometers (GMAGS) can be found at the",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "URL": "https://themis.ssl.berkeley.edu/data/themis/thg/l2/mag/lrv/",
            "Name": "THEMIS ftp site",
            "Description": "Site-specific data is archived at the",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "Name": "Leirvogur Magnetic Observatory",
            "URL": "http://cygnus.raunvis.hi.is//~halo/lrv.html",
            "Description": "Leirvogur Magnetic Observatory mainpage",
            "_Note": "Source: InformationURL.json"
          },
          {
            "Name": "ftp site",
            "URL": "ftp://cygnus.raunvis.hi.is/",
            "Description": "Data available through",
            "_Note": "Source: InformationURL.json"
          }
        ]
      },
      "Caveats": "\u0000",
      "_Caveats": "Source: Master/CDFglobalAttributes/Rules_of_use",
      "DOI": "https://doi.org/10.48322/9gpd-8a88",
      "_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: Gunnlaugur Bjornsson at Science Institute, University of Iceland, Reykjavik, Iceland",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "HTTPS from SPDF",
            "URL": "https://cdaweb.gsfc.nasa.gov/pub/data/themis/thg/l2/mag/lrv",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "thg_l2_mag_lrv_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "THG_L2_MAG_LRV"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Gunnlaugur Bjornsson at Science Institute, University of Iceland, Reykjavik, Iceland",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "FTPS from SPDF",
            "URL": "ftps://cdaweb.gsfc.nasa.gov/pub/data/themis/thg/l2/mag/lrv",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "thg_l2_mag_lrv_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "THG_L2_MAG_LRV"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Gunnlaugur Bjornsson at Science Institute, University of Iceland, Reykjavik, Iceland",
          "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": "THG_L2_MAG_LRV"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Gunnlaugur Bjornsson at Science Institute, University of Iceland, Reykjavik, Iceland",
          "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=THG_L2_MAG_LRV",
            "Style": "WebService",
            "ProductKey": "THG_L2_MAG_LRV",
            "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: Gunnlaugur Bjornsson at Science Institute, University of Iceland, Reykjavik, Iceland",
          "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/THG_L2_MAG_LRV/clientLibraryExample/",
            "ProductKey": "THG_L2_MAG_LRV",
            "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: Gunnlaugur Bjornsson at Science Institute, University of Iceland, Reykjavik, Iceland",
          "Format": [
            "HTML"
          ],
          "AccessURL": {
            "Name": "4D Orbit Viewer",
            "URL": "https://sscweb.gsfc.nasa.gov/4dorbit/?sc=THG_L2_MAG_LRV",
            "ProductKey": "THG_L2_MAG_LRV",
            "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: Gunnlaugur Bjornsson at Science Institute, University of Iceland, Reykjavik, Iceland",
          "Format": [
            "CSV",
            "JSON",
            "Binary"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=THG_L2_MAG_LRV",
            "Style": "HAPI",
            "ProductKey": "THG_L2_MAG_LRV",
            "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: Gunnlaugur Bjornsson at Science Institute, University of Iceland, Reykjavik, Iceland",
          "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=THG_L2_MAG_LRV&return=script",
            "Style": "HAPI",
            "ProductKey": "THG_L2_MAG_LRV",
            "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: Gunnlaugur Bjornsson at Science Institute, University of Iceland, Reykjavik, Iceland",
          "Format": [
            "PNG",
            "PDF",
            "SVG"
          ],
          "AccessURL": {
            "Name": "HAPI visualizations",
            "URL": "https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=THG_L2_MAG_LRV&format=gallery",
            "Style": "x_Visualization",
            "ProductKey": "THG_L2_MAG_LRV",
            "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": "2007-01-01T00:00:00Z",
          "StopDate": "2026-07-22T00:00:00Z"
        },
        "_TemporalDescription": "Generated from all.xml/@timerange_start and all.xml/@timerange_stop"
      },
      "Keyword": [
        "THEMIS Ground Based Observatory (from all.xml/observatory/description/@short)",
        "Leirvogur, Iceland (from all.xml/instrument/description/@short)",
        "Space Physics (from Master/CDFglobalAttributes/Discipline)",
        "Magnetospheric Science (from Master/CDFglobalAttributes/Discipline)",
        "Ionospheric Science (from Master/CDFglobalAttributes/Discipline)",
        "THG_L2 (from Master/CDFglobalAttributes/Source_name)",
        "THEMIS Ground Based Observatory (from Master/CDFglobalAttributes/Source_name)",
        "MAG (from Master/CDFglobalAttributes/Data_type)",
        "LRV (from all.xml/instrument/@ID)"
      ],
      "ObservedRegion": [
        "Earth.NearSurface.Ionosphere",
        "Earth.Surface"
      ],
      "_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/Ground/Leirvogur/Magnetometer",
      "MeasurementType": "MagneticField",
      "Parameter2": [
        {
          "Name": "thg_mag_lrv_epoch",
          "ParameterKey": "thg_mag_lrv_epoch",
          "Description": "CATDESC: 'thg_mag_lrv_epoch'. 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": null,
          "Support": {
            "Qualifier": "Scalar",
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "B in HEZ Components",
          "ParameterKey": "thg_mag_lrv",
          "Description": "Master CDF CATDESC: 'Magnetic field variation B in HEZ vector components'. Master CDF VAR_NOTES: 'Data rotated from XYZ components using mean declination angle for 2007 through 2010, calculated from the annual means for 2007 through 2010 provided by the Leirvogur Observatory. '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is thg_mag_lrv_epoch.'",
          "Units": [
            "nT",
            "nT",
            "nT"
          ],
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "thg_mag_lrv_time",
          "ParameterKey": "thg_mag_lrv_time",
          "Description": "Master CDF CATDESC: 'thg_mag_lrv_time,.UTC, in seconds since 01-Jan-1970 00:00:00'. Master CDF VAR_NOTES: 'Unleaped seconds'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is thg_mag_lrv_epoch.'",
          "Units": "sec",
          "FillValue": "NaN"
        },
        {
          "Name": "H component of B",
          "ParameterKey": "thg_magh_lrv",
          "Description": "Master CDF CATDESC: '---> H - Local magnetic North component of B'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is thg_mag_lrv_epoch.'",
          "Units": "nT",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "E component of B",
          "ParameterKey": "thg_magd_lrv",
          "Description": "Master CDF CATDESC: '---> E - Local magnetic East component of B'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is thg_mag_lrv_epoch.'",
          "Units": "nT",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "Z component of B",
          "ParameterKey": "thg_magz_lrv",
          "Description": "Master CDF CATDESC: '---> Z - Local vertical down component of B'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is thg_mag_lrv_epoch.'",
          "Units": "nT",
          "FillValue": "NaN",
          "Structure": {
            "Size": [
              3
            ]
          }
        }
      ]
    }
  }
}