{
  "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  https://www.spase-group.org/data/schema/spase-2_3_2.xsd",
    "Version": "2.3.2",
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/MMS/4/FIELDS/EDP/Survey/Level2/HighFrequencyElectricFieldSpectra/PT16S",
      "ResourceHeader": {
        "ResourceName": "MMS 4 Axial Double Probe, Spin Plane Double Probe (ADP-SDP) Electric Double Probe, High-Frequency Electric Field Spectra, Level 2, Survey",
        "AlternateName": "MMS4_EDP_SRVY_L2_HFESP",
        "ReleaseDate": "2021-04-27T15:38:11Z",
        "Description": "Electric Double Probe, High-Frequency AC Electric Field Spectra, Level 2, Survey Data, Level 1B AC Electric Field Data",
        "Acknowledgement": "J. Burch, R. Ergun, P. Lindqvist",
        "Contact": [
          {
            "PersonID": "spase://SMWG/Person/James.L.Burch",
            "Role": "PrincipalInvestigator"
          },
          {
            "PersonID": "spase://SMWG/Person/Robert.E.Ergun",
            "Role": "PrincipalInvestigator"
          },
          {
            "PersonID": "spase://SMWG/Person/Per-Arne.Lindqvist",
            "Role": "PrincipalInvestigator"
          },
          {
            "PersonID": "spase://SMWG/Person/Robert.E.McGuire",
            "Role": "MetadataContact"
          },
          {
            "PersonID": "spase://SMWG/Person/Lee.Frost.Bargatze",
            "Role": "MetadataContact"
          }
        ],
        "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)."
        },
        "PriorID": "spase://VSPO/NumericalData/MMS/4/FIELDS/EDP/Survey/Level2/HighFrequencyElectricFieldSpectra/PT16S"
      },
      "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/mms/mms4/edp/srvy/l2/hfesp/",
              "Description": "In CDF via ftp from SPDF."
            },
            {
              "Name": "HTTPS from SPDF",
              "URL": "https://spdf.gsfc.nasa.gov/pub/data/mms/mms4/edp/srvy/l2/hfesp/",
              "Description": "In CDF via http from SPDF."
            },
            {
              "Name": "CDAWeb",
              "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=MMS4_EDP_SRVY_L2_HFESP&index=sp_phys",
              "ProductKey": "MMS4_EDP_SRVY_L2_HFESP",
              "Description": "Access to ASCII, CDF, and plots via NASA/GSFC CDAWeb"
            }
          ],
          "Format": "CDF",
          "Encoding": "None",
          "Acknowledgement": "J. Burch, R. Ergun, P. Lindqvist. Please acknowledge the data providers and CDAWeb when using these data."
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://cdaweb.gsfc.nasa.gov/hapi",
            "Style": "HAPI",
            "ProductKey": "MMS4_EDP_SRVY_L2_HFESP",
            "Description": "Web Service to this product using the HAPI interface."
          },
          "Format": "CSV",
          "Acknowledgement": "J. Burch, R. Ergun, P. Lindqvist. Please acknowledge the data providers and CDAWeb when using these data."
        }
      ],
      "ProcessingLevel": "Calibrated",
      "InstrumentID": [
        "spase://SMWG/Instrument/MMS/4/FIELDS/ADP",
        "spase://SMWG/Instrument/MMS/4/FIELDS/SDP"
      ],
      "MeasurementType": [
        "ElectricField",
        "Waves.Passive"
      ],
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "2015-09-01T00:00:00.000",
          "RelativeStopDate": "-P2M"
        },
        "Cadence": "PT16S"
      },
      "ObservedRegion": [
        "Earth.Magnetosheath",
        "Earth.Magnetosphere",
        "Earth.Magnetosphere.Magnetotail",
        "Earth.Magnetosphere.Main",
        "Earth.Magnetosphere.RadiationBelt",
        "Earth.NearSurface.EquatorialRegion",
        "Earth.NearSurface.Plasmasphere",
        "Heliosphere.NearEarth"
      ],
      "Parameter": [
        {
          "Name": "Epoch Time",
          "ParameterKey": "Epoch",
          "Description": "Epoch Time Tags, Interval Centered, in Terrestrial Time 2000 (TT2000)",
          "Cadence": "PT16S",
          "Units": "ns",
          "UnitsConversion": "1.0e-9>s",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "HF ACE Spectral Frecuency",
          "ParameterKey": "mms4_edp_hfesp_freq_srvy_l2",
          "Description": "High Frequency AC Electric Field Spectral Frequency, Level 2",
          "Cadence": "PT16S",
          "Units": "Hz",
          "RenderingHints": {
            "AxisLabel": "Freq"
          },
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "HF ACE Electric Field Spectral Density",
          "Set": "Time series defined by using: EPOCH",
          "ParameterKey": "mms4_edp_hfesp_srvy_l2",
          "Description": "High Frequency AC Electric Field Spectral Density, Level 2",
          "Cadence": "PT16S",
          "Units": "(V/m)^2/Hz",
          "RenderingHints": {
            "DisplayType": "Spectrogram"
          },
          "Structure": {
            "Size": "322"
          },
          "Wave": {
            "WaveType": "Electrostatic",
            "WaveQuantity": "ACElectricField"
          }
        }
      ]
    }
  }
}