{
  "Spase": {
    "xmlns": "http://www.spase-group.org/data/schema",
    "xmlns:xsi": "http://www.w3.org/2001/XMLSchema-instance",
    "xsi:schemaLocation": "https://www.spase-group.org/data/schema https://www.spase-group.org/data/schema/spase-2.7.1.xsd",
    "Version": "2.7.1",
    "MetadataRightsList": {
      "Rights": {
        "SchemeURI": "https://spdx.org/licenses/",
        "RightsIdentifierScheme": "SPDX",
        "RightsIdentifier": "CC0-1.0",
        "RightsURI": "https://spdx.org/licenses/CC0-1.0.html",
        "RightsName": "Creative Commons Zero v1.0 Universal",
        "Note": "CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions"
      }
    },
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/DE1/PWI/LFC/B/PT1S",
      "NamingAuthority": "NASA",
      "ResourceType": "NumericalData",
      "ResourceHeader": {
        "ResourceName": "DE 1 Plasma Waves Instrument (PWI) Low Frequency Receiver B data",
        "AlternateName": [
          "Dynamics Explorer 1 PWI LFC B data",
          "DE-A PWI LFC B data"
        ],
        "DOI": "https://doi.org/10.48322/18cz-mt87",
        "ReleaseDate": "2025-12-04T13:29:06Z",
        "RevisionHistory": {
          "RevisionEvent": [
            {
              "ReleaseDate": "2025-05-02T21:14:31Z",
              "Note": "Only known prior ReleaseDate of the metadata"
            },
            {
              "ReleaseDate": "2025-11-14T16:03:08Z",
              "Note": "Added PublicationInfo. Added ResourceType and NamingAuthority. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. Matched version number in schemaLocation attribute to updated value in Version tag. ZCB"
            },
            {
              "ReleaseDate": "2025-12-04T13:29:06Z",
              "Note": "Added MetadataRightsList. Updated to 2.7.1. ZCB"
            }
          ]
        },
        "Description": "Plasma Waves Instrument Low Frequency Receiver B data",
        "Acknowledgement": "NASA; Donald A. Gurnett",
        "PublicationInfo": {
          "Authors": "Gurnett, Donald A.",
          "PublicationDate": "2025-11-14T16:03:08Z",
          "PublishedBy": "University of California, Los Angeles"
        },
        "Contact": [
          {
            "PersonID": "spase://SMWG/Person/Donald.A.Gurnett",
            "Role": "PrincipalInvestigator"
          },
          {
            "PersonID": "spase://SMWG/Person/James.M.Weygand",
            "Role": "MetadataContact"
          }
        ],
        "InformationURL": {
          "Name": "NSSDC's Master Catalog on the Plasma Wave Instrument",
          "URL": "https://nssdc.gsfc.nasa.gov/nmc/experiment/display.action?id=1981-070A-02",
          "Description": "Introduction to the Plasma Wave Instrument on DE1"
        },
        "PriorID": [
          "spase://VMO/NumericalData/DE1/PWI/LFCB/PT1S",
          "spase://VSPO/NumericalData/DE1/PWI/LFC/B/PT1S"
        ]
      },
      "AccessInformation": {
        "RepositoryID": "spase://SMWG/Repository/UCLA/DE1",
        "Availability": "Online",
        "AccessRights": "Open",
        "AccessURL": {
          "Name": "Plasma Waves Instrument Low Frequency Receiver B Electric and Magnetic field data",
          "URL": "http://vmo.igpp.ucla.edu/data1/DE1/PWI/LFCB/",
          "Description": "This URL contains the DE1 PWI Step Frequency Receiver B Electric and Magnetic Field Data"
        },
        "Format": "Text",
        "Encoding": "ASCII",
        "Acknowledgement": "NASA;Donald.A.Gurnett"
      },
      "ProcessingLevel": "Calibrated",
      "ProviderResourceName": "Plasma Waves Instrument Low Frequency Receiver B",
      "ProviderProcessingLevel": "Level-2",
      "InstrumentID": "spase://SMWG/Instrument/DynamicsExplorer1/PWI",
      "MeasurementType": "Waves",
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "1981-09-16T00:00:00",
          "StopDate": "1984-06-24T00:00:00",
          "Note": "Time format in data files is: milliseconds of the day"
        },
        "Cadence": "PT1S"
      },
      "ObservedRegion": [
        "Earth.NearSurface.Ionosphere",
        "Earth.NearSurface.Plasmasphere",
        "Earth.NearSurface.PolarCap"
      ],
      "Caveats": "Flags=NaN",
      "Keyword": [
        "PWI",
        "LFC B",
        "Plasma Waves Instrument",
        "Low Frequency Receiver",
        "magnetosphere",
        "radiation belt"
      ],
      "Parameter": [
        {
          "Name": "Universal Time",
          "ParameterKey": "Time",
          "Description": "Universal Time columns from left to right are: yeardoy msec in the format of yyddd msec.",
          "Cadence": "PT1S",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "MAG"
          },
          "Structure": {
            "Size": "2",
            "Description": "Universal Time expressed using a 6-column day, month, year, hour, minute, second representation",
            "Element": [
              {
                "Name": "Year Day of Year",
                "Index": "1",
                "ParameterKey": "YearDOY"
              },
              {
                "Name": "Milliseconds",
                "Index": "2",
                "ParameterKey": "MSec"
              }
            ]
          },
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "DE1 Plasma Wave Instrument  Low Frequency Receiver B",
          "ParameterKey": "PWI LFC B frequencies",
          "Description": "PWI LFC B  frequencies in Hz",
          "Cadence": "PT1S",
          "Units": "Hz",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "MAG"
          },
          "Wave": {
            "WaveType": "PlasmaWaves",
            "WaveQuantity": "Frequency"
          }
        },
        {
          "Name": "DE1 Plasma Wave Instrument  Low Frequency Receiver B",
          "ParameterKey": "PWI LFC B electric field amplitude values",
          "Description": "PWI LFC B  electric field amplitude values in ((V/m)^2)/Hz. Note that the data files can be divided into multiple sections. Some for Ex values. Some for Ez, and some for B. The next column to the right indicates the measured value.",
          "Cadence": "PT1S",
          "Units": "((V/m)^2)/Hz",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "MAG"
          },
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "DE1 Plasma Wave Instrument Low Frequency Receiver B",
          "ParameterKey": "PWI LFC B magnetic field amplitude values",
          "Description": "PWI LFC B  magnetic field amplitude values in ((nT)^2)/Hz. Note that the data files can bedivided into multiple sections. Some for Ex values. Some for Ez, and some for B. The next column to the right indicates the measured value.",
          "Cadence": "PT1S",
          "Units": "((nT)^2)/Hz",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "MAG"
          },
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "DE1 Plasma Wave Instrument Low Frequency Receiver B",
          "ParameterKey": "PWI LFC B Antenna(s) used for measurement",
          "Description": "PWI LFC B Antenna(s) used for measurement: EX or EZ or ES. Nothing is measured. This is a flag to indicate the type of measurement made: EX, EZ, ES, and B.",
          "Cadence": "PT1S",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "DE1 spacecraft position vector inerpolated to 1 sec resolution",
          "ParameterKey": "Position vector",
          "Description": "Location of the spacecraft in magnetic coordinates in units of Re, Re, local time, and latitude",
          "Cadence": "PT1S",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "MAG"
          },
          "Structure": {
            "Size": "4",
            "Element": [
              {
                "Name": "Geocentric Radial distance of spacecraft",
                "Index": "1",
                "ParameterKey": "GeocentricRadialDistance"
              },
              {
                "Name": "L-Shell",
                "Index": "2",
                "ParameterKey": "L-ShellValue"
              },
              {
                "Name": "MagneticLocalTime",
                "Index": "3",
                "ParameterKey": "MagneticLocalTime"
              },
              {
                "Name": "MagneticLatitude",
                "Index": "4",
                "ParameterKey": "MagneticLatitude"
              }
            ]
          },
          "Support": {
            "SupportQuantity": "Positional"
          }
        }
      ]
    }
  }
}