{
  "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/IMP8/MAG/PT15.36S",
      "ResourceHeader": {
        "ResourceName": "IMP 8 MAG 15.36s Magnetic Field Measurements",
        "ReleaseDate": "2021-04-27T15:38:11Z",
        "Description": "IMP 8 magnetic field measurements from tri-axis magnetometer. \nTime resolution is 15.36 second.  Data are based on a 2010 data reprocessing\nby the PI team.  Parameter details below are based on the version of the data \nin CDAWeb.",
        "Acknowledgement": "User will acknowledge the IMP-8 magnetometer team,\nand the data access path used, in any publication resulting from the use of \nthese data.",
        "Contact": {
          "PersonID": "spase://SMWG/Person/Adam.Szabo",
          "Role": "PrincipalInvestigator"
        },
        "InformationURL": {
          "Name": "IMP-8 Magnetometer Experiment Home Page",
          "URL": "https://wind.nasa.gov/imp8/",
          "Description": "A web site hosting instrument information and providing \naccess to the data"
        },
        "PriorID": [
          "spase://VMO/NumericalData/IMP8/MAG/PT15.36S",
          "spase://VSPO/NumericalData/IMP8/MAG/PT15.36S"
        ]
      },
      "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/imp/imp8/mag/",
              "Description": "An ftp repository hosting 15s magnetic field data from IMP-8."
            },
            {
              "Name": "HTTPS from SPDF",
              "URL": "https://spdf.gsfc.nasa.gov/pub/data/imp/imp8/mag/",
              "Description": "In CDF via HTTP from SPDF"
            }
          ],
          "Format": "CDF"
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "AccessURL": [
            {
              "Name": "CDAWeb",
              "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=I8_15SEC_MAG&index=sp_phys",
              "ProductKey": "I8_15SEC_MAG",
              "Description": "Subset, plot and list data via CDAWeb"
            },
            {
              "Name": "FTPBrowser",
              "URL": "https://omniweb.sci.gsfc.nasa.gov/ftpbrowser/imp_mag15s.html",
              "Description": "Subset, plot and list data via FTPBrowser"
            }
          ],
          "Format": "Text"
        },
        {
          "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": "I8_15SEC_MAG",
            "Description": "Web Service to this product using the HAPI interface."
          },
          "Format": "CSV"
        }
      ],
      "ProviderResourceName": "IMP8 MAG15",
      "ProviderProcessingLevel": "Level 2",
      "ProviderVersion": "3",
      "InstrumentID": "spase://SMWG/Instrument/IMP8/MAG",
      "MeasurementType": "MagneticField",
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "1973-10-30T15:00:32Z",
          "StopDate": "2000-06-10T15:09:18.720Z",
          "Note": "Instrument stopped working on 2000-06-10."
        },
        "Cadence": "PT15.36S"
      },
      "ObservedRegion": [
        "Heliosphere.NearEarth",
        "Earth.Magnetosheath",
        "Earth.Magnetosphere.Magnetotail"
      ],
      "Caveats": "The time resolution (cadence) is not constant. The time tag corresponds \nto the last 1.28s measurement in the 15.36s average.  Since the data is on average \n70% complete, this is quite often different from 15.36 seconds from the previous time \ntag. On average, however, it should be about 15.36 seconds.",
      "Keyword": "Magnetic field",
      "Parameter": [
        {
          "Name": "Epoch",
          "ParameterKey": "Epoch",
          "Description": "Epoch of the data point (last data in the 15.36-second average)",
          "Cadence": "PT15.36S",
          "Units": "Milliseconds",
          "ValidMin": "01-Jan-1973 00:00:00.000",
          "ValidMax": "31-Dec-2000 00:00:00.000",
          "FillValue": "-1.0e+31",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "Number of Sequences",
          "ParameterKey": "N_Sequences",
          "Description": "The number of vectors used in the data average is 4 times this value.",
          "Cadence": "PT15.36S",
          "ValidMin": "0",
          "ValidMax": "999",
          "FillValue": "-2147483648",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "Spacecraft Position GSE",
          "ParameterKey": "SC_Pos_GSE",
          "Description": "Spacecraft position in GSE coordinates",
          "Cadence": "PT15.36S",
          "Units": "Re",
          "UnitsConversion": "6.378e6>m",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "GSE"
          },
          "Structure": {
            "Size": "3",
            "Element": [
              {
                "Name": "Xgse",
                "Qualifier": "Component.I",
                "Index": "1"
              },
              {
                "Name": "Ygse",
                "Qualifier": "Component.J",
                "Index": "2"
              },
              {
                "Name": "Zgse",
                "Qualifier": "Component.K",
                "Index": "3"
              }
            ]
          },
          "ValidMin": "-50.0",
          "ValidMax": "50.0",
          "FillValue": "-1.0e+31",
          "Support": {
            "SupportQuantity": "Positional"
          }
        },
        {
          "Name": "Spacecraft Position GSM",
          "ParameterKey": "SC_Pos_GSM",
          "Description": "Spacecraft position in GSM coordinates",
          "Cadence": "PT15.36S",
          "Units": "Re",
          "UnitsConversion": "6.378e6>m",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "GSM"
          },
          "Structure": {
            "Size": "3",
            "Element": [
              {
                "Name": "Xgsm",
                "Qualifier": "Component.I",
                "Index": "1"
              },
              {
                "Name": "Ygsm",
                "Qualifier": "Component.J",
                "Index": "2"
              },
              {
                "Name": "Zgsm",
                "Qualifier": "Component.K",
                "Index": "3"
              }
            ]
          },
          "ValidMin": "-50.0",
          "ValidMax": "50.0",
          "FillValue": "-1.0e+31",
          "Support": {
            "SupportQuantity": "Positional"
          }
        },
        {
          "Name": "B magnitude",
          "ParameterKey": "F1_Average_B_15s",
          "Description": "Magnitude of the magnetic field",
          "Cadence": "PT15.36S",
          "Units": "nT",
          "UnitsConversion": "1e-9>T",
          "ValidMin": "0.0",
          "ValidMax": "100.0",
          "FillValue": "-1.0e+31",
          "Field": {
            "Qualifier": [
              "Average",
              "Magnitude"
            ],
            "FieldQuantity": "Magnetic"
          }
        },
        {
          "Name": "B vector GSE",
          "ParameterKey": "B_Vector_GSE",
          "Description": "Magnetic field vector in GSE coordinates",
          "Cadence": "PT15.36S",
          "Units": "nT",
          "UnitsConversion": "1e-9>T",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "GSE"
          },
          "Structure": {
            "Size": "3",
            "Element": [
              {
                "Name": "Bx GSE",
                "Qualifier": "Component.I",
                "Index": "1"
              },
              {
                "Name": "By GSE",
                "Qualifier": "Component.J",
                "Index": "2"
              },
              {
                "Name": "Bz GSE",
                "Qualifier": "Component.K",
                "Index": "3"
              }
            ]
          },
          "ValidMin": "-100.0",
          "ValidMax": "100.0",
          "FillValue": "-1.0e+31",
          "Field": {
            "Qualifier": [
              "Vector",
              "Average"
            ],
            "FieldQuantity": "Magnetic"
          }
        },
        {
          "Name": "B vector GSM",
          "ParameterKey": "B_Vector_GSM",
          "Description": "Magnetic field vector in GSM coordinates",
          "Cadence": "PT15.36S",
          "Units": "nT",
          "UnitsConversion": "1e-9>T",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "GSM"
          },
          "Structure": {
            "Size": "3",
            "Element": [
              {
                "Name": "Bx GSM",
                "Qualifier": "Component.I",
                "Index": "1"
              },
              {
                "Name": "By GSM",
                "Qualifier": "Component.J",
                "Index": "2"
              },
              {
                "Name": "Bz GSM",
                "Qualifier": "Component.K",
                "Index": "3"
              }
            ]
          },
          "ValidMin": "-100.0",
          "ValidMax": "100.0",
          "FillValue": "-1.0e+31",
          "Field": {
            "Qualifier": [
              "Vector",
              "Average"
            ],
            "FieldQuantity": "Magnetic"
          }
        },
        {
          "Name": "B Diagonal Variances",
          "ParameterKey": "B_jj_Variances",
          "Description": "Matrix containing magnetic field variances; diagonal elements Bxx, Byy, Bzz in GSE coordinates",
          "Cadence": "PT15.36S",
          "Units": "nT^2",
          "UnitsConversion": "1e-18>T^2",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "GSE"
          },
          "Structure": {
            "Size": "3",
            "Element": [
              {
                "Name": "Bxx GSE",
                "Index": "1"
              },
              {
                "Name": "Byy GSE",
                "Index": "2"
              },
              {
                "Name": "Bzz GSE",
                "Index": "3"
              }
            ]
          },
          "ValidMin": "0.0",
          "ValidMax": "5000.0",
          "FillValue": "-1.0e+31",
          "Field": {
            "Qualifier": "Variance",
            "FieldQuantity": "Magnetic"
          }
        },
        {
          "Name": "B off-diagonal variances",
          "ParameterKey": "B_jk_Variances",
          "Description": "Matrix containing magnetic field variances; off-diagonal elements Byx, Bzx, Bzy in GSE coordinates",
          "Cadence": "PT15.36S",
          "Units": "nT^2",
          "UnitsConversion": "1e-18>T^2",
          "CoordinateSystem": {
            "CoordinateRepresentation": "Cartesian",
            "CoordinateSystemName": "GSE"
          },
          "Structure": {
            "Size": "3",
            "Element": [
              {
                "Name": "Byx GSE",
                "Index": "1"
              },
              {
                "Name": "Bzx GSE",
                "Index": "2"
              },
              {
                "Name": "Bzy GSE",
                "Qualifier": "Component.K",
                "Index": "3"
              }
            ]
          },
          "ValidMin": "-5000.0",
          "ValidMax": "5000.0",
          "FillValue": "-1.0e+31",
          "Field": {
            "Qualifier": "Variance",
            "FieldQuantity": "Magnetic"
          }
        }
      ]
    }
  }
}