{ "id": "GE_K0_MGF", "url": "http://hpde.io/VMO/NumericalData/Geotail/MGF/PT64S", "data-file": "./data/spase_hpde_io/info/GE_K0_MGF.json", "data": { "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", "NumericalData": { "ResourceID": "spase://VMO/NumericalData/Geotail/MGF/PT64S", "ResourceHeader": { "ResourceName": "Geotail KP Magnetic Field Data (64s)", "ReleaseDate": "2010-04-05T22:16:33Z", "Description": "This data set contains the investigator-selected Key Parameters from the Magnetic Field instrument (MGF) on Geotail, as made available via NSSDC's interactive WWW interface CDAWeb.\n\n Selected references:\n\n Kokubun, S., et al., Magnetic field measurement (MGF), In Geotail Prelaunch Report, SES-TD-92-007SY, Institute of Space and Astronautical Science, SES Data Center, pp. 58-70, Apr. 1992.\n\n Nishida, A., et al., Geotail mission to explore earth's magnetotail, EOS, 73, No. 40, Oct. 1992.\n\n Kokubun, S., et al., The GEOTAIL Magnetic Field Experiment, J. Geomag. Geoelectr., 46, No. 1, 7-21, 1994.", "Acknowledgement": "Data were provided by T. Nagai at Institute of Space and Astronautical Science, JAXA in Japan.", "Contact": [ { "PersonID": "spase://SMWG/Person/Tsugunobu.Nagai", "Role": "PrincipalInvestigator" }, { "PersonID": "spase://SMWG/Person/Donald.H.Fairfield", "Role": "Scientist" }, { "PersonID": "spase://SMWG/Person/Jan.Merka", "Role": "MetadataContact" } ], "InformationURL": [ { "Name": "The Geotail Magnetic Field Experiment (MGF)", "URL": "http://www.darts.isas.ac.jp/stp/geotail/jgg_mgf.pdf", "Description": "Reprint of Kokubun, S., T. Yamamoto, M. H. Acuna, K. Hayashi, K. Shiokawa, and H. Kawano, The Geotail Magnetic Field Experiment, J. Geomag. Geoelectr., 46, 7-21, 1994." }, { "Name": "Key Parameters GE_K0_MGF from the Geotail Magnetic Field Instrument (MGF) in CDF", "URL": "http://nssdc.gsfc.nasa.gov/nmc/datasetDisplay.do?id=SPHE-00568" } ] }, "AccessInformation": [ { "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb", "Availability": "Online", "AccessRights": "Open", "AccessURL": { "Name": "FTP access to files at SPDF", "URL": "ftp://spdf.gsfc.nasa.gov/pub/data/geotail/mgf/mgf_k0/" }, "Format": "CDF", "Encoding": "None" }, { "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb", "Availability": "Online", "AccessRights": "Open", "AccessURL": { "Name": "HTTP access to files at SPDF", "URL": "http://spdf.gsfc.nasa.gov/pub/data/geotail/mgf/mgf_k0/", "Description": "In CDF via HTTP from SPDF" }, "Format": "CDF", "Encoding": "None" }, { "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb", "Availability": "Online", "AccessRights": "Open", "AccessURL": { "Name": "CDAWeb", "URL": "http://cdaweb.gsfc.nasa.gov", "ProductKey": "GE_K0_MGF" }, "Format": "CDF", "Encoding": "None" } ], "InstrumentID": "spase://SMWG/Instrument/Geotail/MGF", "MeasurementType": "MagneticField", "TemporalDescription": { "TimeSpan": { "StartDate": "1992-09-04T19:14:06", "RelativeStopDate": "-P0D" }, "Cadence": "PT64S" }, "ObservedRegion": [ "Heliosphere.NearEarth", "Earth.Magnetosheath", "Earth.Magnetosphere", "Earth.Magnetosphere.Magnetotail" ], "Caveats": "Switched from outer magnetometer to inner in January 2007. This data is computed with a preliminary algorithm and is not necessarily complete nor is it certified by the experimenters or considered publishable.", "Parameter": { "Epoch": { "Name": "Time", "ParameterKey": "Epoch", "Description": "Time in miliseconds since CDF epoch", "Units": "ms", "UnitsConversion": "1e-3>s", "ValidMin": "01-Aug-1992 00:00:00.000", "ValidMax": "31-Dec-2000 23:59:59.000", "FillValue": "-1.0E31", "Support": { "SupportQuantity": "Temporal" } }, "Time_PB5": { "Name": "Time", "ParameterKey": "Time_PB5", "Description": "Time as an array (year, day of year and elapsed milliseconds of day).", "Structure": { "Size": "3", "Element": [ { "Name": "Year", "Index": "1", "Units": "year", "ValidMin": "1992", "ValidMax": "2020", "FillValue": "-2147483648" }, { "Name": "Day of Year (jan 1 = day 1)", "Index": "2", "Units": "day", "ValidMin": "1", "ValidMax": "366", "FillValue": "-2147483648" }, { "Name": "Elapsed ms of day", "Index": "3", "Units": "ms", "ValidMin": "0", "ValidMax": "86399000", "FillValue": "-2147483648" } ] }, "Support": { "SupportQuantity": "Temporal" } }, "MSEC": { "Name": "Time of day", "ParameterKey": "MSEC", "Description": "Elapsed milliseconds of day", "Units": "ms", "ValidMin": "0", "ValidMax": "86400000", "FillValue": "-2147483648", "Support": { "SupportQuantity": "Temporal" } }, "IB": { "Name": "Magnetic Field Intensity", "ParameterKey": "IB", "Description": "Observed magnetic field intensity", "Units": "0.1nT", "UnitsConversion": "1e-10>T", "ValidMin": "-32768", "ValidMax": "32767", "FillValue": "-32768", "Field": { "Qualifier": [ "Average", "Magnitude" ], "FieldQuantity": "Magnetic" } }, "IB_vector": { "Name": "Magnetic Field (GSE)", "ParameterKey": "IB_vector", "Description": "Observed magnetic field vector in GSE coordinates", "Units": "0.1nT", "UnitsConversion": "1e-10>T", "CoordinateSystem": { "CoordinateRepresentation": "Cartesian", "CoordinateSystemName": "GSE" }, "Structure": { "Size": "3", "Element": [ { "Name": "Bx", "Qualifier": "Component.I", "Index": "1", "ValidMin": "-32768", "ValidMax": "32767", "FillValue": "-32768" }, { "Name": "By", "Qualifier": "Component.J", "Index": "2", "ValidMin": "-32768", "ValidMax": "32767", "FillValue": "-32768" }, { "Name": "Bz", "Qualifier": "Component.K", "Index": "3", "ValidMin": "-32768", "ValidMax": "32767", "FillValue": "-32768" } ] }, "Field": { "Qualifier": [ "Average", "Vector" ], "FieldQuantity": "Magnetic" } }, "IS_vector": { "Name": "B RMS (sensor coord)", "ParameterKey": "IS_vector", "Description": "Standard deviation of sin fitting for magnetic field in sensor coordinates", "Units": "0.01nT", "UnitsConversion": "1e-11>T", "CoordinateSystem": { "CoordinateRepresentation": "Cartesian", "CoordinateSystemName": "SC" }, "Structure": { "Size": "3", "Element": [ { "Name": "Bx-RMS", "Qualifier": "Component.I", "Index": "1", "ValidMin": "-32768", "ValidMax": "32767", "FillValue": "-32768" }, { "Name": "By-RMS", "Qualifier": "Component.J", "Index": "2", "ValidMin": "-32768", "ValidMax": "32767", "FillValue": "-32768" }, { "Name": "Bz-RMS", "Qualifier": "Component.K", "Index": "3", "ValidMin": "-32768", "ValidMax": "32767", "FillValue": "-32768" } ] }, "Field": { "Qualifier": [ "StandardDeviation", "Vector" ], "FieldQuantity": "Magnetic" } }, "RANGE_STATUS": { "Name": "MGF Range", "ParameterKey": "RANGE_STATUS", "Description": "Range status of the fluxgate magnetometer.\n\n * 0 = Not valid\n * 1 = +/- 16 nT\n * 2 = +/- 64 nT\n * 3 = +/- 256 nT\n * 4 = +/- 1024 nT\n * 5 = +/- 4096 nT\n * 6 = +/- 16384 nT\n * 7 = +/- 65536 nT", "ValidMin": "1", "ValidMax": "7", "FillValue": "-32768", "Support": { "SupportQuantity": "Other" } }, "POS": { "Name": "Satellite Position (GSE)", "ParameterKey": "POS", "Description": "Satellite position vector in GSE coordinates", "Units": "km", "UnitsConversion": "1e3>m", "Structure": { "Size": "3", "Element": [ { "Name": "X-GSE", "Qualifier": "Component.I", "Index": "1", "ValidMin": "-1800000.0", "ValidMax": "1800000.0", "FillValue": "-1.0E31" }, { "Name": "Y-GSE", "Qualifier": "Component.J", "Index": "2", "ValidMin": "-1800000.0", "ValidMax": "1800000.0", "FillValue": "-1.0E31" }, { "Name": "Z-GSE", "Qualifier": "Component.K", "Index": "3", "ValidMin": "-1800000.0", "ValidMax": "1800000.0", "FillValue": "-1.0E31" } ] }, "Support": { "SupportQuantity": "Positional" } }, "DQF": { "Name": "Data Quality Flag", "ParameterKey": "DQF", "Description": "Data quality flag: Good/Bad/Fill (0: good; 1,2,3: poor 4: fill value)", "ValidMin": "0", "ValidMax": "4", "FillValue": "-2147483648", "Support": { "SupportQuantity": "Other" } }, "Gap_Flag": { "Name": "Post Gap Flag", "ParameterKey": "Gap_Flag", "Description": "Post gap flag.\n\n * 0: no gap occurred;\n * 1: gap occurred because SIRIUS data were illegal or because the instrument was not in a mode that allowed KP's\n * 2: gap occurred because of the jump of MGF RANGE or MGF SENSE during 64 s", "ValidMin": "0", "ValidMax": "2", "FillValue": "-2147483648", "Support": { "SupportQuantity": "Other" } } } } } } }