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    "Format": "SINGLE",
    "Majority": "ROW",
    "Encoding": "NETWORK"
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  "CDFglobalAttributes": {
    "Project": "THEMIS",
    "Source_name": "THG_L2>THEMIS Ground Based Observatory",
    "Data_type": "MAG",
    "Data_version": " ",
    "TEXT": "Ground based observatory, part of the Geological Survey of Sweden (SGU). ",
    "Logical_source": "thg_l2_mag_abk",
    "Logical_file_id": " ",
    "Time_resolution": "60.0s",
    "Generated_by": " ",
    "Generation_date": " ",
    "ADID_ref": "NSSD0110",
    "File_naming_convention": "source_datatype_descriptor",
    "spase_DatasetResourceID": "\u0000",
    "DOI": "\u0000",
    "LINK_TEXT": [
      "Network information can be found at the",
      "Further information about the Time History of Events and Macroscale Interactions During Substorms (THEMIS) mission can be found at the",
      "Information about the Fluxgate Magnetometers (GMAGS) can be found at the",
      "Site-specific data is archived at the"
    ],
    "HTTP_LINK": [
      "https://www.sgu.se/",
      "https://themis.ssl.berkeley.edu/index.shtml",
      "https://themis.ssl.berkeley.edu/instrument_gmags.shtml",
      "https://themis.ssl.berkeley.edu/data/themis/thg/l2/mag/abk/"
    ],
    "Mission_group": "THEMIS",
    "Instrument_type": "Ground-Based Magnetometers, Riometers, Sounders",
    "Acknowledgement": "Geological Survey of Sweden, and INTERMAGNET for providing the data and promoting high standards of magnetic observatory practice.",
    "Descriptor": "ABK>Abikso, Sweden",
    "LINK_TITLE": [
      "Geological Survey of Sweden (SGU) home page",
      "THEMIS home page",
      "THEMIS GMAG instrument information page",
      "THEMIS ftp site"
    ],
    "Logical_source_description": "Higher latitude chain (Lat 68.4, Long 18.8), Ground-based Vector Magnetic Field at Abisko, Sweden, 60 sec time resolution. ",
    "MODS": " ",
    "Discipline": [
      "Space Physics>Magnetospheric Science",
      "Space Physics>Ionospheric Science"
    ],
    "PI_affiliation": "Geological Survey of Sweden, Box 670 SE-751 28, Uppsala, Sweden",
    "PI_name": "Gerhard Schwarz",
    "Rules_of_use": "The data made available through INTERMAGNET are provided for your use and are not for commercial use or sale or distribution to third parties without the written permission of the institute operating the observatory. Publications making use of the data should include an acknowledgment statement (see intermagnet.org). A citation reference should be sent to the INTERMAGNET Secretary (secretary@intermagnet.org) for inclusion in a publications list on the INTERMAGNET website."
  },
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        "NumDims": 1,
        "NumElements": 1,
        "RecVariance": "VARY"
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      "VarAttributes": {
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        "DEPEND_1": "thg_mag_abk_compno",
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        "DEPEND_TIME": "thg_mag_abk_time",
        "DISPLAY_TYPE": "default_dimension",
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        "STATION_DECLINATION": "6.09700",
        "STATION_ELEVATION": "380.000",
        "STATION_LATITUDE": "68.40",
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        "VALIDMIN": [
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        "VAR_NOTES": "Data rotated from XYZ components using declination angle calculated from IGRF2011, date 02-17-2007.",
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        "RecVariance": "VARY"
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      "VarAttributes": {
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        "FILLVAL": "NaN",
        "FORMAT": "E13.6",
        "LABLAXIS": "UT",
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        "VALIDMAX": 5000000000.0,
        "VALIDMIN": 0.0,
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        "COMPONENT_1": "thg_mag_abk_time",
        "FIELDNAM": "thg_mag_abk_epoch",
        "FILLVAL": "9999-12-31T23:59:59.999",
        "FUNCT": "comp_themis_epoch",
        "LABLAXIS": "UT",
        "VALIDMAX": "2100-12-31T23:59:59.999",
        "VALIDMIN": "2001-01-01T00:00:00.000",
        "VAR_TYPE": "support_data",
        "VIRTUAL": "true",
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        "NumWrittenRecords": 1,
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      "VarAttributes": {
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        "LABLAXIS": "timebase",
        "UNITS": "msec",
        "VALIDMAX": "2029-12-31T23:59:59.999",
        "VALIDMIN": "1900-01-01T00:00:00.000",
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        "VAR_TYPE": "support_data",
        "x_UNITS": "msec",
        "x_LABLAXIS": "timebase"
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      "VarData": [
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    },
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        "DataType": "CDF_EPOCH",
        "NumDims": 0,
        "NumElements": 1,
        "RecVariance": "VARY"
      },
      "VarAttributes": {
        "CATDESC": "range_epoch",
        "FIELDNAM": "range_epoch",
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        "LABLAXIS": "UT",
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        "VALIDMAX": "2100-12-31T23:59:59.999",
        "VALIDMIN": "2001-01-01T00:00:00.000",
        "VAR_TYPE": "support_data",
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    },
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        "NumElements": 1,
        "PadValue": -1e+30,
        "RecVariance": "VARY"
      },
      "VarAttributes": {
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        "DEPEND_0": "thg_mag_abk_epoch",
        "DEPEND_1": "thg_mag_abk_compno",
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        "DEPEND_TIME": "thg_mag_abk_time",
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        "FILLVAL": -1e+30,
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        "SCALETYP": "linear",
        "STATION_DECLINATION": 6.1,
        "STATION_ELEVATION": 380.0,
        "STATION_LATITUDE": 68.4,
        "STATION_LONGITUDE": 18.8,
        "UNITS": "nT",
        "VALIDMAX": 60000.0,
        "VALIDMIN": -60000.0,
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        "COMPONENTS": [
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    "thg_magd_abk": {
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        "NumElements": 1,
        "PadValue": -1e+30,
        "RecVariance": "VARY"
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      "VarAttributes": {
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        "DEPEND_1": "thg_mag_abk_compno",
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}