{
  "Spase": {
    "xmlns:xsi": "http://www.w3.org/2001/XMLSchema-instance",
    "xmlns": "http://www.spase-group.org/data/schema",
    "xsi:schemaLocation": "http://www.spase-group.org/data/schema http://www.spase-group.org/data/schema/spase-2_3_0.xsd",
    "Version": "2.3.0",
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/ELFIN/A/Ephemeris/PT1S",
      "ResourceHeader": {
        "ResourceName": "ELFIN A Ephemeris (State) CubeSat Position, Velocity, Attitude, Spin Rate, and Spin Phase, Level 1 (L1), 1 s Data",
        "ReleaseDate": "2021-03-29T17:14:50Z",
        "Description": "The Electron Losses and Fields Investigation (ELFIN) Mission is a Space Weather Mission using three Scientific Instruments in a 3U+ CubeSat. The Instruments measure Wave and Particle Data. This Data Product is a Probe State File that contains CubeSat Position, Velocity, Spin Attitude, Spin Rate, and Spin Phase Data.",
        "Acknowledgement": "Please acknowledge the Principal Investigator, V. Angelopoulos, NASA, and NSF for providing the Data. Open Data for Scientific Use.",
        "Contact": [
          {
            "PersonID": "spase://SMWG/Person/Vassilis.Angelopoulos",
            "Role": "PrincipalInvestigator"
          },
          {
            "PersonID": "spase://SMWG/Person/Robert.M.Candey",
            "Role": "MetadataContact"
          },
          {
            "PersonID": "spase://SMWG/Person/Lee.Frost.Bargatze",
            "Role": "MetadataContact"
          }
        ],
        "InformationURL": [
          {
            "Name": "ELFIN Mission Overview Web Page, UCLA",
            "URL": "https://elfin.igpp.ucla.edu/about",
            "Description": "Electron Losses and Fields Investigation, ELFIN, Mission Overview Web Page, University of California, Los Angeles"
          },
          {
            "Name": "ELFIN Attitude Determination and Control Subsystem Web Page, UCLA",
            "URL": "https://elfin.igpp.ucla.edu/adcs",
            "Description": "ELFIN Attitude Determination and Control Subsystem, ADCS, Web Page, University of California, Los Angeles"
          }
        ],
        "PriorID": "spase://VSPO/NumericalData/ELFIN/A/Ephemeris/PT1S"
      },
      "AccessInformation": {
        "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
        "Availability": "Online",
        "AccessRights": "Open",
        "AccessURL": [
          {
            "Name": "FTPS from SPDF (not with most browsers)",
            "URL": "ftps://spdf.gsfc.nasa.gov/pub/data/elfin/elfina/ephemeris",
            "Description": "Access to Data in CDF Format via ftp from SPDF"
          },
          {
            "Name": "HTTPS from SPDF",
            "URL": "https://spdf.gsfc.nasa.gov/pub/data/elfin/elfina/ephemeris",
            "Description": "Access to Data in CDF Format via http from SPDF"
          },
          {
            "Name": "CDAWeb",
            "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=ELA_L1_STATE&index=sp_phys",
            "ProductKey": "ELA_L1_STATE",
            "Description": "Access to ASCII, CDF, and Plots via NASA/GSFC CDAWeb"
          }
        ],
        "Format": "CDF",
        "Encoding": "None",
        "Acknowledgement": "Please acknowledge the Principal Investigator, V. Angelopoulos, NASA, and NSF for providing the Data. Open Data for Scientific Use. Please acknowledge the Data Providers and CDAWeb when using these Data."
      },
      "ProcessingLevel": "Calibrated",
      "InstrumentID": "spase://SMWG/Instrument/ELFIN/A/Ephemeris",
      "MeasurementType": [
        "Ephemeris",
        "InstrumentStatus"
      ],
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "2018-09-17T00:00:00.000",
          "RelativeStopDate": "P8M"
        },
        "Cadence": "PT1S"
      },
      "ObservedRegion": [
        "Earth.Magnetosphere",
        "Earth.Magnetosphere.Polar",
        "Earth.NearSurface",
        "Earth.NearSurface.AuroralRegion",
        "Earth.NearSurface.EquatorialRegion",
        "Earth.NearSurface.Ionosphere",
        "Earth.NearSurface.PolarCap"
      ],
      "Parameter": [
        {
          "Name": "State Time, UTC",
          "ParameterKey": "ela_state_time",
          "Description": "State Time, UTC, in Seconds since January 1, 2000",
          "Caveats": "The State Time is expressed in Unleaped Seconds",
          "Cadence": "PT1S",
          "Units": "s",
          "RenderingHints": {
            "AxisLabel": "ELA State Time",
            "ValueFormat": "E12.2",
            "ScaleType": "LinearScale"
          },
          "ValidMin": "2010-01-01T00:00:00.000000000",
          "ValidMax": "2030-01-01T00:00:00.999999999",
          "FillValue": "9999-12-31T23:59:59.999999999",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "CubeSat Position Vector, Geocentric Equatorial Inertial Cartesian Coordinates",
          "Set": "Time Series defined by using: ELA_STATE_TIME",
          "ParameterKey": "ela_pos",
          "Description": "CubeSat Position Vector, Geocentric Equatorial Inertial, GEI, Cartesian Coordinates",
          "Cadence": "PT1S",
          "Units": "km",
          "UnitsConversion": "1.0e3>m",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "GEI"
          },
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "ValueFormat": "F12.8"
          },
          "Structure": {
            "Size": "3",
            "Element": [
              {
                "Name": "X, GEI",
                "Index": "1"
              },
              {
                "Name": "Y, GEI",
                "Index": "2"
              },
              {
                "Name": "Z, GEI",
                "Index": "3"
              }
            ]
          },
          "ValidMin": "-1.0e+06",
          "ValidMax": "1.0e+06",
          "FillValue": "NaN",
          "Support": {
            "Qualifier": "Vector",
            "SupportQuantity": "Positional"
          }
        },
        {
          "Name": "CubeSat Velocity Vector, Geocentric Equatorial Inertial Cartesian Coordinates",
          "Set": "Time Series defined by using: ELA_STATE_TIME",
          "ParameterKey": "ela_vel",
          "Description": "CubeSat Velocity Vector, Geocentric Equatorial Inertial, GEI, Cartesian Coordinates",
          "Cadence": "PT1S",
          "Units": "km/s",
          "UnitsConversion": "1.0e3>m/s",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "GEI"
          },
          "RenderingHints": {
            "DisplayType": "TimeSeries",
            "ValueFormat": "F12.8"
          },
          "Structure": {
            "Size": "3",
            "Element": [
              {
                "Name": "VX, GEI",
                "Index": "1"
              },
              {
                "Name": "VY, GEI",
                "Index": "2"
              },
              {
                "Name": "VZ, GEI",
                "Index": "3"
              }
            ]
          },
          "ValidMin": "-1000.0",
          "ValidMax": "1000.0",
          "FillValue": "NaN",
          "Support": {
            "Qualifier": "Vector",
            "SupportQuantity": "Positional"
          }
        },
        {
          "Name": "CubeSat Spin Axis Attitude, Right Ascension, Geocentric Equatorial Inertial Spherical Coordinates",
          "Set": "Time Series defined by using: ELA_STATE_TIME",
          "ParameterKey": "ela_spinras",
          "Description": "CubeSat Spin Axis Attitude, Right Ascension, Geocentric Equatorial Inertial, GEI, Spherical Coordinates",
          "Cadence": "PT1S",
          "Units": "°",
          "UnitsConversion": "0.0174532925>rad",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Spherical",
            "CoordinateSystemName": "GEI"
          },
          "RenderingHints": {
            "AxisLabel": "SpinRas",
            "ValueFormat": "F12.8"
          },
          "ValidMin": "0.0",
          "ValidMax": "360.0",
          "FillValue": "NaN",
          "Support": {
            "Qualifier": [
              "DirectionAngle.AzimuthAngle",
              "Scalar"
            ],
            "SupportQuantity": "Positional"
          }
        },
        {
          "Name": "CubeSat Spin Axis Attitude, Declination, Geocentric Equatorial Inertial Spherical Coordinates",
          "Set": "Time Series defined by using: ELA_STATE_TIME",
          "ParameterKey": "ela_spindec",
          "Description": "CubeSat Spin Axis Attitude, Declination, Geocentric Equatorial Inertial, GEI, Spherical Coordinates",
          "Cadence": "PT1S",
          "Units": "°",
          "UnitsConversion": "0.0174532925>rad",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Spherical",
            "CoordinateSystemName": "GEI"
          },
          "RenderingHints": {
            "AxisLabel": "SpinDec",
            "ValueFormat": "F12.8"
          },
          "ValidMin": "0.0",
          "ValidMax": "180.0",
          "FillValue": "NaN",
          "Support": {
            "Qualifier": [
              "DirectionAngle.ElevationAngle",
              "Scalar"
            ],
            "SupportQuantity": "Positional"
          }
        },
        {
          "Name": "CubeSat Spin Period",
          "Set": "Time Series defined by using: ELA_STATE_TIME",
          "ParameterKey": "ela_spinper",
          "Description": "CubeSat Spin Period, Regularized and Boxcar Averaged",
          "Cadence": "PT1S",
          "Units": "s",
          "RenderingHints": {
            "AxisLabel": "SpinPer",
            "ValueFormat": "F12.8"
          },
          "ValidMin": "0.0",
          "ValidMax": "30.0",
          "FillValue": "NaN",
          "Support": {
            "Qualifier": "Scalar",
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "CubeSat Maneuver Status Code",
          "Set": "Time Series defined by using: ELA_STATE_TIME",
          "ParameterKey": "ela_man",
          "Description": "CubeSat Maneuver Status Code",
          "Cadence": "PT1S",
          "RenderingHints": {
            "AxisLabel": "ManCode",
            "ValueFormat": "I8",
            "ScaleType": "LinearScale"
          },
          "ValidMin": "0",
          "ValidMax": "4294967295",
          "FillValue": "4294967295",
          "Support": {
            "Qualifier": "Scalar",
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "CubeSat Spin Phase",
          "Set": "Time Series defined by using: ELA_STATE_TIME",
          "ParameterKey": "ela_spinphase",
          "Description": "CubeSat Spin Phase",
          "Cadence": "PT1S",
          "Units": "°",
          "UnitsConversion": "0.0174532925>rad",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Spherical",
            "CoordinateSystemName": "GEI"
          },
          "RenderingHints": {
            "AxisLabel": "SpinPhase",
            "ValueFormat": "F12.8"
          },
          "ValidMin": "0.0",
          "ValidMax": "360.0",
          "FillValue": "NaN",
          "Support": {
            "Qualifier": [
              "DirectionAngle.AzimuthAngle",
              "Scalar"
            ],
            "SupportQuantity": "Positional"
          }
        }
      ]
    }
  }
}