{
  "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/mms1_mec_srvy_l2_ephts04d_00000000_v01.json (from all.xml)",
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/MMS/1/Ephemeris/Survey/Level2/Tsyganenko_04_Dynamic/PT30S",
      "_ResourceID": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json",
      "ResourceHeader": {
        "ResourceName": "Magnetic ephemeris and support data for MMS satellite number 1",
        "_ResourceName": "Source: Master/CDFglobalAttributes/Logical_source_description",
        "AlternateName": " ",
        "_AlternateName": "Source: Master/CDFglobalAttributes/Logical_source",
        "Description": "MMS MEC Magnetic ephemeris and coordinates, Level 2 science data. PI institution is Los Alamos National Laboratory (LANL)",
        "_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": [
          {
            "Name": "The Magnetospheric Multiscale (MMS) Mission home page at Goddard Space Flight Center (GSFC)",
            "URL": "https://mms.gsfc.nasa.gov/",
            "Description": "The Magnetospheric Multiscale (MMS) Mission Home Page hosted by the Goddard Space Flight Center (GSFC).",
            "_Note": "URL also in all.xml, master. Using InformationURL.json."
          },
          {
            "URL": "http://lasp.colorado.edu/mms/sdc/",
            "Name": "LASP SDC",
            "Description": "Science Data Center",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "Name": "Data Caveats and Current Release Notes at LASP MMS SDC",
            "URL": "https://lasp.colorado.edu/mms/sdc/public/datasets/mec/",
            "Description": "The Magnetospheric Multiscale (MMS) Mission home page hosted by the Laboratory of Atmospheric and Space Physics, Science Data Center (LASP, SDC) at the University of Colorado, Boulder.",
            "_Note": "Source: InformationURL.json"
          }
        ]
      },
      "DOI": "https://doi.org/10.48322/6pry-xd44",
      "_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: M. G. Henderson, S. K. Morley at Los Alamos National Laboratory (LANL)",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "HTTPS from SPDF",
            "URL": "https://cdaweb.gsfc.nasa.gov/pub/data/mms/mms1/mec/srvy/l2/ephts04d",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "mms1_mec_srvy_l2_ephts04d_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y/%m",
            "ProductKey": "MMS1_MEC_SRVY_L2_EPHTS04D"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: M. G. Henderson, S. K. Morley at Los Alamos National Laboratory (LANL)",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "FTPS from SPDF",
            "URL": "ftps://cdaweb.gsfc.nasa.gov/pub/data/mms/mms1/mec/srvy/l2/ephts04d",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "mms1_mec_srvy_l2_ephts04d_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y/%m",
            "ProductKey": "MMS1_MEC_SRVY_L2_EPHTS04D"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: M. G. Henderson, S. K. Morley at Los Alamos National Laboratory (LANL)",
          "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": "MMS1_MEC_SRVY_L2_EPHTS04D"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: M. G. Henderson, S. K. Morley at Los Alamos National Laboratory (LANL)",
          "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=MMS1_MEC_SRVY_L2_EPHTS04D",
            "Style": "WebService",
            "ProductKey": "MMS1_MEC_SRVY_L2_EPHTS04D",
            "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: M. G. Henderson, S. K. Morley at Los Alamos National Laboratory (LANL)",
          "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/MMS1_MEC_SRVY_L2_EPHTS04D/clientLibraryExample/",
            "ProductKey": "MMS1_MEC_SRVY_L2_EPHTS04D",
            "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: M. G. Henderson, S. K. Morley at Los Alamos National Laboratory (LANL)",
          "Format": [
            "HTML"
          ],
          "AccessURL": {
            "Name": "4D Orbit Viewer",
            "URL": "https://sscweb.gsfc.nasa.gov/4dorbit/?sc=MMS1_MEC_SRVY_L2_EPHTS04D",
            "ProductKey": "MMS1_MEC_SRVY_L2_EPHTS04D",
            "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: M. G. Henderson, S. K. Morley at Los Alamos National Laboratory (LANL)",
          "Format": [
            "CSV",
            "JSON",
            "Binary"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=MMS1_MEC_SRVY_L2_EPHTS04D",
            "Style": "HAPI",
            "ProductKey": "MMS1_MEC_SRVY_L2_EPHTS04D",
            "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: M. G. Henderson, S. K. Morley at Los Alamos National Laboratory (LANL)",
          "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=MMS1_MEC_SRVY_L2_EPHTS04D&return=script",
            "Style": "HAPI",
            "ProductKey": "MMS1_MEC_SRVY_L2_EPHTS04D",
            "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: M. G. Henderson, S. K. Morley at Los Alamos National Laboratory (LANL)",
          "Format": [
            "PNG",
            "PDF",
            "SVG"
          ],
          "AccessURL": {
            "Name": "HAPI visualizations",
            "URL": "https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=MMS1_MEC_SRVY_L2_EPHTS04D&format=gallery",
            "Style": "x_Visualization",
            "ProductKey": "MMS1_MEC_SRVY_L2_EPHTS04D",
            "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": "2015-09-01T00:00:00Z",
          "StopDate": "2026-06-03T23:59:30Z"
        },
        "_TemporalDescription": "Generated from all.xml/@timerange_start and all.xml/@timerange_stop",
        "Cadence": "PT30S",
        "_Cadence": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/mms/mms1/mec/srvy/l2/ephts04d/2015/09/mms1_mec_srvy_l2_ephts04d_20150901_v2.0.0.cdf. The most common cadence, 30000000000 [ns] = PT30S, occurred for all 2879 timesteps. "
      },
      "Keyword": [
        "MMS Satellite Number 1 (from all.xml/observatory/description/@short)",
        "Magnetic Ephemeris and Coordinates (from all.xml/instrument/description/@short)",
        "Space Physics (from Master/CDFglobalAttributes/Discipline)",
        "Magnetospheric Science (from Master/CDFglobalAttributes/Discipline)",
        "MMS1 (from Master/CDFglobalAttributes/Source_name)",
        "MMS Satellite Number 1 (from Master/CDFglobalAttributes/Source_name)",
        "srvy_l2_ephts04d (from Master/CDFglobalAttributes/Data_type)",
        "MEC (from all.xml/instrument/@ID)"
      ],
      "ObservedRegion": [
        "Earth.Magnetosheath",
        "Earth.Magnetosphere",
        "Earth.Magnetosphere.Magnetotail",
        "Earth.Magnetosphere.Main",
        "Earth.Magnetosphere.RadiationBelt",
        "Earth.NearSurface.EquatorialRegion",
        "Earth.NearSurface.Plasmasphere",
        "Heliosphere.NearEarth"
      ],
      "_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/MMS/1/Ephemeris",
      "MeasurementType": [
        "ActivityIndex",
        "Ephemeris",
        "MagneticField"
      ],
      "Parameter2": [
        {
          "Name": "Epoch",
          "ParameterKey": "Epoch",
          "Description": "CATDESC: 'Nanoseconds from J2000 with leap seconds included.'. 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": "mms1_mec_dipole_tilt",
          "ParameterKey": "mms1_mec_dipole_tilt",
          "Description": "Master CDF CATDESC: 'Dipole tilt angle. Rotation angle (around Y-axis) between GSM and SM coordinate systems. In units of degrees.'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_gmst",
          "ParameterKey": "mms1_mec_gmst",
          "Description": "Master CDF CATDESC: 'Greenwich Mean Sidereal Time (GMST).'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_mlat",
          "ParameterKey": "mms1_mec_mlat",
          "Description": "Master CDF CATDESC: 'Magnetic Latitude.'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_mlt",
          "ParameterKey": "mms1_mec_mlt",
          "Description": "Master CDF CATDESC: 'Magnetic Local Time.'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "hours",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_l_dipole",
          "ParameterKey": "mms1_mec_l_dipole",
          "Description": "Master CDF CATDESC: 'Dipole L-shell value.'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_quat_eci_to_bcs",
          "ParameterKey": "mms1_mec_quat_eci_to_bcs",
          "Description": "Master CDF CATDESC: 'Quaternion rotation from GEI/J2000 to BCS (ECI to BCS). ((qx,qy,qz), qw)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        },
        {
          "Name": "mms1_mec_quat_eci_to_dbcs",
          "ParameterKey": "mms1_mec_quat_eci_to_dbcs",
          "Description": "Master CDF CATDESC: 'Quaternion rotation from GEI/J2000 to DBCS (ECI to DBCS). ((qx,qy,qz), qw)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        },
        {
          "Name": "mms1_mec_quat_eci_to_dmpa",
          "ParameterKey": "mms1_mec_quat_eci_to_dmpa",
          "Description": "Master CDF CATDESC: 'Quaternion rotation from GEI/J2000 to DMPA (ECI to DMPA). ((qx,qy,qz), qw)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        },
        {
          "Name": "mms1_mec_quat_eci_to_smpa",
          "ParameterKey": "mms1_mec_quat_eci_to_smpa",
          "Description": "Master CDF CATDESC: 'Quaternion rotation from GEI/J2000 to SMPA (ECI to SMPA). ((qx,qy,qz), qw)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        },
        {
          "Name": "mms1_mec_quat_eci_to_dsl",
          "ParameterKey": "mms1_mec_quat_eci_to_dsl",
          "Description": "Master CDF CATDESC: 'Quaternion rotation from GEI/J2000 to DSL (ECI to DSL). ((qx,qy,qz), qw)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        },
        {
          "Name": "mms1_mec_quat_eci_to_ssl",
          "ParameterKey": "mms1_mec_quat_eci_to_ssl",
          "Description": "Master CDF CATDESC: 'Quaternion rotation from GEI/J2000 to SSL (ECI to SSL). ((qx,qy,qz), qw)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        },
        {
          "Name": "mms1_mec_L_vec",
          "ParameterKey": "mms1_mec_L_vec",
          "Description": "Master CDF CATDESC: 'Right ascension (deg) and declination (deg) of angular momentum (L)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              2
            ]
          }
        },
        {
          "Name": "mms1_mec_Z_vec",
          "ParameterKey": "mms1_mec_Z_vec",
          "Description": "Master CDF CATDESC: 'Right ascension (deg) and declination (deg) of Body Z-axis'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              2
            ]
          }
        },
        {
          "Name": "mms1_mec_P_vec",
          "ParameterKey": "mms1_mec_P_vec",
          "Description": "Master CDF CATDESC: 'Right ascension (deg) and declination (deg) of Major Principal Axis'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              2
            ]
          }
        },
        {
          "Name": "mms1_mec_L_phase",
          "ParameterKey": "mms1_mec_L_phase",
          "Description": "Master CDF CATDESC: 'L-phase (Sun-to-body-X dihedral angle about angular momentum vector L) (deg)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_Z_phase",
          "ParameterKey": "mms1_mec_Z_phase",
          "Description": "Master CDF CATDESC: 'Z-phase (Sun-to-body-X dihedral angle about the body-Z vector) (deg)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_P_phase",
          "ParameterKey": "mms1_mec_P_phase",
          "Description": "Master CDF CATDESC: 'P-phase (Sun-to-body-X dihedral angle about the major principal axis, P) (deg)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_kp",
          "ParameterKey": "mms1_mec_kp",
          "Description": "Master CDF CATDESC: 'Kp index from QinDenton files (used as input to magnetic field models)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_dst",
          "ParameterKey": "mms1_mec_dst",
          "Description": "Master CDF CATDESC: 'Dst index from QinDenton files. Used as input to magnetic field models'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "nT",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_earth_eclipse_flag",
          "ParameterKey": "mms1_mec_earth_eclipse_flag",
          "Description": "Master CDF CATDESC: 'Earth eclipse flag: 0 = no eclipse; 1 = penumbral eclipse; 2 = umbral eclipse.'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1
        },
        {
          "Name": "mms1_mec_moon_eclipse_flag",
          "ParameterKey": "mms1_mec_moon_eclipse_flag",
          "Description": "Master CDF CATDESC: 'Moon eclipse flag: 0 = no eclipse; 1 = penumbral eclipse; 2 = umbral eclipse.'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1
        },
        {
          "Name": "mms1_mec_r_eci",
          "ParameterKey": "mms1_mec_r_eci",
          "Description": "Master CDF CATDESC: 'Geocentric Equatorial Inertial (GEI/J2000) position vector of mms1 (km)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_v_eci",
          "ParameterKey": "mms1_mec_v_eci",
          "Description": "Master CDF CATDESC: 'Velocity of mms1 spacecraft in GEI/J2000 (i.e. ECI) coordinates (km/s)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_r_gsm",
          "ParameterKey": "mms1_mec_r_gsm",
          "Description": "Master CDF CATDESC: 'Geocentric Solar Magnetospheric (GSM) position vector of mms1 (km)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_v_gsm",
          "ParameterKey": "mms1_mec_v_gsm",
          "Description": "Master CDF CATDESC: 'Velocity of mms1 spacecraft in GSM coordinates (km/s)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_quat_eci_to_gsm",
          "ParameterKey": "mms1_mec_quat_eci_to_gsm",
          "Description": "Master CDF CATDESC: 'Quaternion rotation from GEI/J2000 to GSM (ECI to GSM). ((qx,qy,qz), qw)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        },
        {
          "Name": "mms1_mec_r_geo",
          "ParameterKey": "mms1_mec_r_geo",
          "Description": "Master CDF CATDESC: 'Geocentric Geographic (GEO) position vector of mms1 (km)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_v_geo",
          "ParameterKey": "mms1_mec_v_geo",
          "Description": "Master CDF CATDESC: 'Velocity of mms1 spacecraft in GEO coordinates (km/s)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_quat_eci_to_geo",
          "ParameterKey": "mms1_mec_quat_eci_to_geo",
          "Description": "Master CDF CATDESC: 'Quaternion rotation from GEI/J2000 to GEO (ECI to GEO). ((qx,qy,qz), qw)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        },
        {
          "Name": "mms1_mec_r_sm",
          "ParameterKey": "mms1_mec_r_sm",
          "Description": "Master CDF CATDESC: 'Geocentric Solar Magnetic (SM) position vector of mms1 (km)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_v_sm",
          "ParameterKey": "mms1_mec_v_sm",
          "Description": "Master CDF CATDESC: 'Velocity of mms1 spacecraft in SM coordinates (km/s)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_quat_eci_to_sm",
          "ParameterKey": "mms1_mec_quat_eci_to_sm",
          "Description": "Master CDF CATDESC: 'Quaternion rotation from GEI/J2000 to SM (ECI to SM). ((qx,qy,qz), qw)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        },
        {
          "Name": "mms1_mec_r_gse",
          "ParameterKey": "mms1_mec_r_gse",
          "Description": "Master CDF CATDESC: 'Geocentric Solar Ecliptic (GSE) position vector of mms1 (km)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_v_gse",
          "ParameterKey": "mms1_mec_v_gse",
          "Description": "Master CDF CATDESC: 'Velocity of mms1 spacecraft in GSE coordinates (km/s)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_quat_eci_to_gse",
          "ParameterKey": "mms1_mec_quat_eci_to_gse",
          "Description": "Master CDF CATDESC: 'Quaternion rotation from GEI/J2000 to GSE (ECI to GSE). ((qx,qy,qz), qw)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        },
        {
          "Name": "mms1_mec_r_gse2000",
          "ParameterKey": "mms1_mec_r_gse2000",
          "Description": "Master CDF CATDESC: 'Geocentric Solar Ecliptic (J2000 Pole, GSE2000) position vector of mms1 (km)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_v_gse2000",
          "ParameterKey": "mms1_mec_v_gse2000",
          "Description": "Master CDF CATDESC: 'Velocity of mms1 spacecraft in GSE2000 coordinates (km/s)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km/s",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_quat_eci_to_gse2000",
          "ParameterKey": "mms1_mec_quat_eci_to_gse2000",
          "Description": "Master CDF CATDESC: 'Quaternion rotation from GEI/J2000 to GSE2000 (ECI to GSE2000). ((qx,qy,qz), qw)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        },
        {
          "Name": "mms1_mec_geod_lat",
          "ParameterKey": "mms1_mec_geod_lat",
          "Description": "Master CDF CATDESC: 'Geodetic latitude of mms1 spacecraft'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_geod_lon",
          "ParameterKey": "mms1_mec_geod_lon",
          "Description": "Master CDF CATDESC: 'Geodetic longitude of mms1 spacecraft'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_geod_height",
          "ParameterKey": "mms1_mec_geod_height",
          "Description": "Master CDF CATDESC: 'Geodetic height of mms1 spacecraft. (Height above WGS84 Spheroid.)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_r_sun_de421_eci",
          "ParameterKey": "mms1_mec_r_sun_de421_eci",
          "Description": "Master CDF CATDESC: 'Geocentric position vector (in km) of the Sun in GEI/J2000 Coordinates.'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_r_moon_de421_eci",
          "ParameterKey": "mms1_mec_r_moon_de421_eci",
          "Description": "Master CDF CATDESC: 'Geocentric position vector (in km) of the Moon in GEI/J2000 Coordinates.'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_fieldline_type",
          "ParameterKey": "mms1_mec_fieldline_type",
          "Description": "Master CDF CATDESC: 'Fieldline Type: 0 = IMF; 1 = Closed; 2 = Open Northern Lobe; 3 = Open Southern Lobe; -1 = Inside Earth; -2 = Target Height Unreachable; -3 = Bad Trace (error).'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": " ",
          "FillValue": -32768
        },
        {
          "Name": "mms1_mec_bsc_gsm",
          "ParameterKey": "mms1_mec_bsc_gsm",
          "Description": "Master CDF CATDESC: 'Magnetic field (in GSM) at mms1 spacecraft'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "nT",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        },
        {
          "Name": "mms1_mec_loss_cone_angle_s",
          "ParameterKey": "mms1_mec_loss_cone_angle_s",
          "Description": "Master CDF CATDESC: 'Southern loss cone angle. Degrees.'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_loss_cone_angle_n",
          "ParameterKey": "mms1_mec_loss_cone_angle_n",
          "Description": "Master CDF CATDESC: 'Northern loss cone angle. Degrees.'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31
        },
        {
          "Name": "mms1_mec_pfs_geod_latlon",
          "ParameterKey": "mms1_mec_pfs_geod_latlon",
          "Description": "Master CDF CATDESC: 'Geodetic latitude and longitude of southern footpoint (100km geodetic height) of field threading the mms1 spacecraft'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              2
            ]
          }
        },
        {
          "Name": "mms1_mec_pfn_geod_latlon",
          "ParameterKey": "mms1_mec_pfn_geod_latlon",
          "Description": "Master CDF CATDESC: 'Geodetic latitude and longitude of northern footpoint (100km geodetic height) of field threading the mms1 spacecraft'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "deg",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              2
            ]
          }
        },
        {
          "Name": "mms1_mec_pfs_gsm",
          "ParameterKey": "mms1_mec_pfs_gsm",
          "Description": "Master CDF CATDESC: 'GSM position southern footpoint (100km geodetic height) of field threading the mms1 spacecraft'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_bfs_gsm",
          "ParameterKey": "mms1_mec_bfs_gsm",
          "Description": "Master CDF CATDESC: 'Magnetic field (in GSM) at southern footpoint (100km geodetic height) of field threading the mms1 spacecraft'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "nT",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        },
        {
          "Name": "mms1_mec_pfn_gsm",
          "ParameterKey": "mms1_mec_pfn_gsm",
          "Description": "Master CDF CATDESC: 'GSM position northern footpoint (100km geodetic height) of field threading the mms1 spacecraft'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_bfn_gsm",
          "ParameterKey": "mms1_mec_bfn_gsm",
          "Description": "Master CDF CATDESC: 'Magnetic field (in GSM) at northern footpoint (100km geodetic height) of field threading the mms1 spacecraft'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "nT",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        },
        {
          "Name": "mms1_mec_pmin_gsm",
          "ParameterKey": "mms1_mec_pmin_gsm",
          "Description": "Master CDF CATDESC: 'GSM position of min-B point of field threading the mms1 spacecraft'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "km",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              3
            ]
          }
        },
        {
          "Name": "mms1_mec_bmin_gsm",
          "ParameterKey": "mms1_mec_bmin_gsm",
          "Description": "Master CDF CATDESC: 'Magnetic field (in GSM) at min-B point of field threading the mms1 spacecraft'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "nT",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              4
            ]
          }
        }
      ]
    }
  }
}