{
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    "FileVersion": "3.9.1",
    "Format": "SINGLE",
    "Majority": "COLUMN",
    "Encoding": "IBMPC"
  },
  "CDFglobalAttributes": {
    "Conventions": "ACDD-1.3, Spase v2.2.6",
    "TITLE": "L2 Magnetometer (MAG) Geomagnetic Field 10 Hz Product with Complete Coordinate Frames",
    "TEXT": "The GOES-R spacecraft includes a pair of boom-mounted fluxgate magnetometer instruments which operate simultaneously to obtain measurements of the geomagnetic field. The Magnetometer Subsystem supports the following mission objectives: 1) Map the space environment that controls charged particle dynamics in the outer region of the magnetosphere, 2) Measure the magnitude and direction of the Earth's ambient magnetic field in three orthogonal directions in the geosynchronous equatorial orbit, 3) Determine general level of geomagnetic activity, and 4) Detect magnetopause crossings, storm sudden commencements, and substorms. The product described in this file includes the magnetometer observations in several coordinate systems.",
    "MODS": [
      "SPDF added to master VAR_TYPE, Mission_group, Instrument_type and use of mapping file to map attributes to ISTP equivalents",
      "Also need to add Logical_source, Logical_source_description, Source_name and virtual variable Epoch and time_base variable.",
      "Also need to add FORMAT, VAR_NOTES, LABLAXIS, LABL_PTR_1, DISPLAY_TYPE variable attributes and values",
      "Also added validmin and max values for the b_quality variable"
    ],
    "Mission_group": "GOES",
    "Instrument_type": "Magnetic Fields (space)",
    "Logical_source": "goes-19_magn-l2-hires_dn",
    "Logical_source_description": "GOES-19 Magnetometer L2 Geomagnetic Field 10 Hz Product with Complete Coordinate Frames",
    "Source_name": "GOES-19",
    "keywords": "SPASE: NumericalData.ObservedRegion.Earth.Magnetosphere, SPASE:  NumericalData.MeasurementType.MagneticField, GCMD: Earth Science >> Sun-Earth Interactions >> Ionosphere/Magnetosphere Dynamics >> Magnetic Fields/Magnetic Currents",
    "keywords_vocabulary": "SPASE: Space Physics Archive Search and Extract Data Model version 2.2.6, GCMD: NASA Global Change Master Directory (GCMD) Earth Science Keywords version 8.5",
    "naming_authority": "gov.nesdis.noaa",
    "history": "See algorithm information.",
    "source": "GOES-R Magnetometer L2",
    "processing_level": "Level 2",
    "processing_level_description": "Derived products",
    "license": "These data may be redistributed and used without restriction. ",
    "acknowledgment": "NOAA Proposal GOESR3_204",
    "metadata_link": "https://doi.org/10.25921/H2TQ-PC59",
    "PI_name": "Rob Redmon, Paul Loto'aniu",
    "creator_type": "person",
    "creator_institution": "DOC/NOAA/NESDIS/NCEI/OGSSD/STP",
    "PI_affiliation": "DOC/NOAA/NESDIS/NCEI/OGSSD/STP",
    "creator_email": "goesr.mag@noaa.gov",
    "creator_url": "https://www.ncei.noaa.gov/",
    "institution": "DOC/NOAA/NESDIS",
    "publisher_name": "National Centers for Environmental Information",
    "publisher_type": "institution",
    "publisher_institution": "DOC/NOAA/NESDIS/NCEI",
    "publisher_email": "goesr.mag@noaa.gov",
    "publisher_url": "https://www.ncei.noaa.gov/",
    "references": "MAGNETOMETER CONVERT DATA TO ALTERNATE GEOPHYSICAL COORDINATE SYSTEMS ALGORITHM THEORETICAL BASIS DOCUMENT Version 1.3",
    "instrument": "GOES R Series Magnetometer (MAG)",
    "instrument_id": " ",
    "program": "Geostationary Operational Environmental Satellite, R-Series (GOES-R)",
    "Project": "Geostationary Operational Environmental Satellite R-Series (GOES-R) Core Ground Segment, Satellite Product Analysis and Distribution System (SPADES)",
    "time_coverage_resolution": " ",
    "processing_parameters_file": " ",
    "algorithm_parameters": "None",
    "date_created": " ",
    "orbital_slot": "GOES-East",
    "platform": "g19",
    "L1b_system_environment": " ",
    "L1b_production_site": " ",
    "time_coverage_start": " ",
    "time_coverage_end": " ",
    "algorithm": " ",
    "algorithm_version": [
      1,
      1
    ],
    "algorithm_date": " ",
    "input_system_environments": "ops",
    "input_files_first": " ",
    "input_files_last": " ",
    "input_files_total": 1,
    "git_commit_hash": " ",
    "L1b_LUT_Filenames": " ",
    "NC_KIND": "netCDF-4",
    "NC_DIMENSIONS_G": [
      "time=UNLIMITED",
      "time_orbit=UNLIMITED",
      "coordinate=3",
      "quat_size=4"
    ],
    "LINK_TEXT": "GOES Magnetometer CDAWeb ",
    "LINK_TITLE": "readme",
    "HTTP_LINK": "https://spdf.gsfc.nasa.gov/pub/data/goes/GOES-8-onwards_magnetometer_readme.pdf"
  },
  "CDFVariables": {
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        "BlockingFactor": 8192,
        "Compression": "GZIP.9",
        "DataType": "CDF_EPOCH",
        "NumDims": 0,
        "NumElements": 1,
        "PadValue": "0000-01-01T00:00:00.000",
        "RecVariance": "VARY"
      },
      "VarAttributes": {
        "CATDESC": "time",
        "COMPONENT_0": "time_base",
        "COMPONENT_1": "time",
        "FIELDNAM": "time",
        "FILLVAL": "9999-12-31T23:59:59.999",
        "FUNCT": "comp_themis_epoch",
        "LABLAXIS": "UT",
        "TIME_BASE": "2000-01-01 12:00:00 AD",
        "UNITS": "milliseconds since 0AD",
        "VAR_NOTES": "Seconds since the J2K epoch - added by SPDF",
        "VAR_TYPE": "support_data",
        "VIRTUAL": "true",
        "x_UNITS": "milliseconds since 0AD",
        "x_LABLAXIS": "UT",
        "COMPONENTS": [
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          "time"
        ]
      }
    },
    "time_base": {
      "VarDescription": {
        "BlockingFactor": 1,
        "DataType": "CDF_EPOCH",
        "NumDims": 0,
        "NumElements": 1,
        "NumWrittenRecords": 1,
        "PadValue": "0000-01-01T00:00:00.000",
        "RecVariance": "NOVARY"
      },
      "VarAttributes": {
        "CATDESC": "time base",
        "FIELDNAM": "Time_base",
        "FILLVAL": "9999-12-31T23:59:59.999",
        "FORMAT": "E13.6",
        "LABLAXIS": "timebase",
        "UNITS": "msec",
        "VAR_NOTES": "EPOCH of 01-Jan-2000 12:00:00 - added by SPDF",
        "VAR_TYPE": "metadata",
        "x_UNITS": "msec",
        "x_LABLAXIS": "timebase"
      },
      "VarData": [
        "2000-01-01T12:00:00.000"
      ]
    },
    "b_total": {
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        "Compression": "GZIP.4",
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        "NumElements": 1,
        "PadValue": -1e+30,
        "RecVariance": "VARY"
      },
      "VarAttributes": {
        "CATDESC": "Total estimated ambient magnetic field computed from the ACRF frame.",
        "DEPEND_0": "Epoch",
        "FIELDNAM": "magnetic_field_total",
        "FILLVAL": -9999.0,
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        "NC_CHUNKSIZES": 300,
        "NC_DEFLATE": 4,
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        "NC_SHUFFLE": "false",
        "NC_STORAGE": "chunked",
        "UNITS": "nT",
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        "VALIDMIN": 0.0,
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    },
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        "RecVariance": "VARY"
      },
      "VarAttributes": {
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        "DEPEND_1": "coordinate",
        "FIELDNAM": "magnetic_field_epn",
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        "VAR_TYPE": "data",
        "ancillary_data": "b_quality b_method",
        "x_UNITS": "nT",
        "x_LABLAXES": [
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            "Perpendicular",
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          ]
        ],
        "x_DEPEND": [
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        ]
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    },
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        "NumElements": 1,
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        "RecVariance": "VARY"
      },
      "VarAttributes": {
        "CATDESC": "Estimated ambient magnetic field in Earth Centered Inertial coordinates (x, y, z)",
        "DEPEND_0": "Epoch",
        "DEPEND_1": "coordinate",
        "FIELDNAM": "magnetic_field_eci",
        "FILLVAL": -9999.0,
        "LABL_PTR_1": "label_ECI",
        "NC_ADDED": "DEPEND_0 DEPEND_1",
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        ],
        "NC_DEFLATE": 4,
        "NC_DIMENSIONS_V": "time,coordinate",
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        "VALIDMIN": -1024.0,
        "VAR_TYPE": "data",
        "ancillary_data": "b_quality b_method",
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        "x_LABLAXES": [
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            "Y ECI",
            "Z ECI"
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        ],
        "x_DEPEND": [
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        ]
      }
    },
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      },
      "VarAttributes": {
        "CATDESC": "Estimated ambient magnetometer data in Geocentric Solar Ecliptic coordinates (x, y, z)",
        "DEPEND_0": "Epoch",
        "DEPEND_1": "coordinate",
        "FIELDNAM": "magnetic_field_gse",
        "FILLVAL": -9999.0,
        "LABL_PTR_1": "label_GSE",
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        "NC_DEFLATE": 4,
        "NC_DIMENSIONS_V": "time,coordinate",
        "NC_SHUFFLE": "false",
        "NC_STORAGE": "chunked",
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        "VALIDMAX": 1024.0,
        "VALIDMIN": -1024.0,
        "VAR_TYPE": "data",
        "ancillary_data": "b_quality b_method",
        "x_UNITS": "nT",
        "x_LABLAXES": [
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            "X GSE",
            "Y GSE",
            "Z GSE"
          ]
        ],
        "x_DEPEND": [
          "coordinate"
        ]
      }
    },
    "b_gsm": {
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        "BlockingFactor": 5461,
        "Compression": "GZIP.4",
        "DataType": "CDF_FLOAT",
        "DimSizes": [
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        "DimVariances": [
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        "NumDims": 1,
        "NumElements": 1,
        "PadValue": -1e+30,
        "RecVariance": "VARY"
      },
      "VarAttributes": {
        "CATDESC": "Estimated ambient magnetometer data in Geocentric Solar Magnetospheric coordinates (x, y, z)",
        "DEPEND_0": "Epoch",
        "DEPEND_1": "coordinate",
        "DISPLAY_TYPE": "default_dimension",
        "FIELDNAM": "magnetic_field_gsm",
        "FILLVAL": -9999.0,
        "LABL_PTR_1": "label_GSM",
        "NC_ADDED": "DEPEND_0 DEPEND_1",
        "NC_CHUNKSIZES": [
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        ],
        "NC_DEFLATE": 4,
        "NC_DIMENSIONS_V": "time,coordinate",
        "NC_SHUFFLE": "false",
        "NC_STORAGE": "chunked",
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        "VALIDMAX": 1024.0,
        "VALIDMIN": -1024.0,
        "VAR_TYPE": "data",
        "ancillary_data": "b_quality b_method",
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        "x_LABLAXES": [
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            "Y GSM",
            "Z GSM"
          ]
        ],
        "x_DEPEND": [
          "coordinate"
        ]
      }
    },
    "b_vdh": {
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        "Compression": "GZIP.4",
        "DataType": "CDF_FLOAT",
        "DimSizes": [
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        "DimVariances": [
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        "NumDims": 1,
        "NumElements": 1,
        "PadValue": -1e+30,
        "RecVariance": "VARY"
      },
      "VarAttributes": {
        "CATDESC": "Estimated ambient magnetometer data in VDH coordinates (x, y, z). V: anti-earthward, D: eastward, H: northward along dipole.",
        "DEPEND_0": "Epoch",
        "DEPEND_1": "coordinate",
        "DISPLAY_TYPE": "default_dimension",
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        "LABL_PTR_1": "label_VDH",
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      "VarAttributes": {
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        "DEPEND_1": "coordinate",
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        "x_UNITS": "nT",
        "x_LABLAXES": [
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        ],
        "x_DEPEND": [
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        ]
      }
    },
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        "Compression": "GZIP.4",
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        "RecVariance": "VARY"
      },
      "VarAttributes": {
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        "x_LABLAXIS": "Quality Flag"
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    },
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        "DataType": "CDF_DOUBLE",
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        "RecVariance": "VARY"
      },
      "VarAttributes": {
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        "FIELDNAM": "time",
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        "NC_DIMENSIONS_V": "time",
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    },
    "b_ib_sensor": {
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        "Compression": "GZIP.4",
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      },
      "VarAttributes": {
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        "DEPEND_1": "coordinate",
        "FIELDNAM": "magnetic_field_inboard_sensor",
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        "FIELDNAM": "magnetic_field_inboard_epn",
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        "ancillary_data": "b_ib_quality",
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      },
      "VarAttributes": {
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        "DEPEND_1": "coordinate",
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        "ancillary_data": "b_ib_quality",
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        "x_DEPEND": [
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    },
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        "DimVariances": [
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        ],
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        "NumElements": 1,
        "PadValue": -1e+30,
        "RecVariance": "VARY"
      },
      "VarAttributes": {
        "CATDESC": "Compensated inboard magnetometer data in Geocentric Solar Ecliptic coordinates (x, y, z)",
        "DEPEND_0": "Epoch",
        "DEPEND_1": "coordinate",
        "FIELDNAM": "magnetic_field_inboard_gse",
        "FILLVAL": -9999.0,
        "NC_ADDED": "DEPEND_0 DEPEND_1",
        "NC_CHUNKSIZES": [
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        ],
        "NC_DEFLATE": 4,
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