{
  "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_2_2.xsd",
    "Version": "2.2.2",
    "Catalog": {
      "ResourceID": "spase://NASA/Catalog/IMP8/MAG/Multisource",
      "ResourceHeader": {
        "ResourceName": "Multi-spacecraft bow shock crossing list",
        "ReleaseDate": "2020-07-07T19:17:05Z",
        "Description": "Lists of bow shock crossings observed by the IMP 8,\nGeotail, Magion-4 and Cluster/Rumba spacecraft.  For each crossing, time\nand spacecraft location are given, plus GSE and GSM components of upstream\nmagnetic field and solar wind velocity, upstream solar wind ion density\nand temperature, and multiple upstream derived parameters (sonic,\nAlfvenic and magnetosonic speeds and Mach numbers, plasma beta and flow\npressure, IMF clock and cone angles).  In addition, for IMP 8 only,\nseveral additional parameters are given, including downstream density,\nshock strength, and various flags related to data quality, etc.).\nTime coverage for the various spacecraft is non-uniform; IMP 8\ncoverage is complete from 1973 launch until the June 10, 2000, failure\nof the magnetometer.  Annual, spacecraft-specific files of crossings\nare ftp accessible as indicated below.  Further, the data are accessible\nvia a value-added interface with the ability to subset by parameter, to\nfilter by numeric ranges of any of the parameters, and to generate\nscatter plots of any one parameter against any other parameter.  The\ndata are extensively documented at the value-added interface and\nreferences therein.",
        "Contact": [
          {
            "PersonID": "spase://SMWG/Person/Joseph.H.King",
            "Role": "GeneralContact"
          },
          {
            "PersonID": "spase://SMWG/Person/Natalia.E.Papitashvili",
            "Role": "GeneralContact"
          },
          {
            "PersonID": "spase://SMWG/Person/Jan.Merka",
            "Role": "GeneralContact"
          },
          {
            "PersonID": "spase://SMWG/Person/John.D.Richardson",
            "Role": "GeneralContact"
          },
          {
            "PersonID": "spase://SMWG/Person/Ramona.L.Kessel",
            "Role": "GeneralContact"
          }
        ],
        "PriorID": [
          "spase://VSPO/Catalog/BS_Multisource",
          "spase://VSPO/Catalog/IMP8/MAG/Multisource"
        ]
      },
      "AccessInformation": {
        "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
        "Availability": "Online",
        "AccessRights": "Open",
        "AccessURL": [
          {
            "Name": "SPDF bow shock crossing interface",
            "URL": "https://omniweb.gsfc.nasa.gov/ftpbrowser/bowshock.html",
            "Description": "Bow shock crossing data and documentation. Interface\nsupports subsetting, filtering by numeric ranges of any parameters,\nand 2-parameter scatter plots."
          },
          {
            "Name": "FTPS from SPDF (not with most browsers)",
            "URL": "ftps://spdf.gsfc.nasa.gov/pub/data/aaa_special-purpose-datasets/aaa_boundary_crossings/bowshock_crossings/",
            "Description": "Spacecraft-specific annual files of bow shock crossings"
          },
          {
            "Name": "HTTPS from SPDF",
            "URL": "https://spdf.gsfc.nasa.gov/pub/data/aaa_special-purpose-datasets/aaa_boundary_crossings/bowshock_crossings/",
            "Description": "In CDF via HTTP from SPDF"
          }
        ],
        "Format": "Text"
      },
      "InstrumentID": [
        "spase://SMWG/Instrument/IMP8/MAG",
        "spase://SMWG/Instrument/IMP8/PLS",
        "spase://SMWG/Instrument/Magion-4/MAG",
        "spase://SMWG/Instrument/Magion-4/VDPS",
        "spase://SMWG/Instrument/Geotail/MGF",
        "spase://SMWG/Instrument/Geotail/CPI",
        "spase://SMWG/Instrument/Cluster-Rumba/FGM",
        "spase://SMWG/Instrument/Cluster-Rumba/CIS"
      ],
      "PhenomenonType": "BowShockCrossing",
      "TimeSpan": {
        "StartDate": "1973-10-31T00:00:00Z",
        "StopDate": "2002-05-20T00:00:00Z",
        "Note": "As of 2012/01/16, time spans for individual spacecraft are\n          IMP 8:    1973-10-31 - 2000-06-09\n          Geotail:  1995-01-01 - 1997-11-02 \n          Magion-4: 1996-02-01 - 1997-07-31\n          Cluster:  2001-02-02 - 2002-05-20\n"
      }
    }
  }
}