{
  "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_pg4_00000000_v01.json (from all.xml)",
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/THEMIS/Ground/PENGUIn.4/Magnetometer/PT1S",
      "_ResourceID": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json",
      "ResourceHeader": {
        "ResourceName": "Higher latitude chain (Lat -83.3, Long 12.3), Ground-based Vector Magnetic Field in Antarctica, 1-sec raw data. Station deployed Jan 2014 under NSF awards PLR-1243390 and ATM-922979",
        "_ResourceName": "Source: Master/CDFglobalAttributes/Logical_source_description",
        "AlternateName": "thg_l2_mag-pg4",
        "_AlternateName": "Source: Master/CDFglobalAttributes/Logical_source",
        "Description": "Polar Experimental Network for Geospace Upper atmosphere Investigations (PENGUIn) Ground Based Observatory.",
        "_Description": "Source: Master/CDFglobalAttributes/TEXT",
        "Acknowledgement": "This effort is supported by the National Science Foundation throught the following awards: ANT0839858, ATM922979 (Virginia Tech), and ANT0838861 (University of Michigan).",
        "_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": [
          {
            "Name": "Virginia Tech University Magnetic Field Data Portal",
            "URL": "http://mist.nianet.org",
            "Description": "PENGUIn Magnetometer Network informational web site",
            "_Note": "URL also in all.xml, master. Using InformationURL.json."
          },
          {
            "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/pg4/",
            "Name": "THEMIS ftp site",
            "Description": "Site-specific data is archived at the",
            "_Note": "URL also in all.xml. Using master."
          }
        ]
      },
      "Caveats": "Open data for non-commercial, scientific use.",
      "_Caveats": "Source: Master/CDFglobalAttributes/Rules_of_use",
      "DOI": "https://doi.org/10.48322/qwtb-3133",
      "_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: C. R. Clauer at Virginia Tech.",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "HTTPS from SPDF",
            "URL": "https://cdaweb.gsfc.nasa.gov/pub/data/themis/thg/l2/mag/pg4",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "thg_l2_mag_pg4_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "THG_L2_MAG_PG4"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: C. R. Clauer at Virginia Tech.",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "FTPS from SPDF",
            "URL": "ftps://cdaweb.gsfc.nasa.gov/pub/data/themis/thg/l2/mag/pg4",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "thg_l2_mag_pg4_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "THG_L2_MAG_PG4"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: C. R. Clauer at Virginia Tech.",
          "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_PG4"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: C. R. Clauer at Virginia Tech.",
          "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_PG4",
            "Style": "WebService",
            "ProductKey": "THG_L2_MAG_PG4",
            "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: C. R. Clauer at Virginia Tech.",
          "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_PG4/clientLibraryExample/",
            "ProductKey": "THG_L2_MAG_PG4",
            "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: C. R. Clauer at Virginia Tech.",
          "Format": [
            "HTML"
          ],
          "AccessURL": {
            "Name": "4D Orbit Viewer",
            "URL": "https://sscweb.gsfc.nasa.gov/4dorbit/?sc=THG_L2_MAG_PG4",
            "ProductKey": "THG_L2_MAG_PG4",
            "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: C. R. Clauer at Virginia Tech.",
          "Format": [
            "CSV",
            "JSON",
            "Binary"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=THG_L2_MAG_PG4",
            "Style": "HAPI",
            "ProductKey": "THG_L2_MAG_PG4",
            "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: C. R. Clauer at Virginia Tech.",
          "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_PG4&return=script",
            "Style": "HAPI",
            "ProductKey": "THG_L2_MAG_PG4",
            "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: C. R. Clauer at Virginia Tech.",
          "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_PG4&format=gallery",
            "Style": "x_Visualization",
            "ProductKey": "THG_L2_MAG_PG4",
            "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": "2014-01-05T00:00:00Z",
          "StopDate": "2026-07-02T00:00:00Z"
        },
        "_TemporalDescription": "Generated from all.xml/@timerange_start and all.xml/@timerange_stop"
      },
      "Keyword": [
        "PENGUIn 40 degree magnetic meridian chain ground based observatory (from all.xml/observatory/description/@short)",
        "PENGUIn-4, Antarctia, at -83.34, 12.25 (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)",
        "PENGUIn 40 degree magnetic meridian chain ground based observatory (from Master/CDFglobalAttributes/Source_name)",
        "MAG (from Master/CDFglobalAttributes/Data_type)",
        "PG4 (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/PENGUIn.4/Magnetometer",
      "MeasurementType": "MagneticField",
      "Parameter2": [
        {
          "Name": "thg_mag_pg4_Epoch",
          "ParameterKey": "thg_mag_pg4_epoch",
          "Description": "CATDESC: 'thg_mag_pg4_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_pg4",
          "Description": "Master CDF CATDESC: 'Magnetic field variation B in HEZ vector components'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is thg_mag_pg4_epoch.'",
          "Units": [
            "nT",
            "nT",
            "nT"
          ],
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "thg_mag_pg4_time",
          "ParameterKey": "thg_mag_pg4_time",
          "Description": "Master CDF CATDESC: 'thg_mag_pg4_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_pg4_epoch.'",
          "Units": "sec",
          "FillValue": -1e+31
        },
        {
          "Name": "H component of B",
          "ParameterKey": "thg_magh_pg4",
          "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_pg4_epoch.'",
          "Units": "nT",
          "FillValue": -1e+30
        },
        {
          "Name": "E component of B",
          "ParameterKey": "thg_magd_pg4",
          "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_pg4_epoch.'",
          "Units": "nT",
          "FillValue": -1e+30
        },
        {
          "Name": "Z component of B",
          "ParameterKey": "thg_magz_pg4",
          "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_pg4_epoch.'",
          "Units": "nT",
          "FillValue": -1e+30
        }
      ]
    }
  }
}