{
  "id": "STA_LB_MAG_RTN",
  "url": "http://hpde.io/NASA/NumericalData/STEREO-A/IMPACT/MAG/RTN/LevelBeacon/PT0.125S",
  "data-file": "./data/spase_hpde_io/info/STA_LB_MAG_RTN.json",
  "data": {
    "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/STEREO-A/IMPACT/MAG/RTN/LevelBeacon/PT0.125S",
        "NamingAuthority": "NASA",
        "ResourceType": "NumericalData",
        "ResourceHeader": {
          "ResourceName": "STEREO-A In-Situ Measurements of Particles and CME Transients (IMPACT) Fluxgate Magnetometer (MAG) Magnetic Field Vectors, in Radial-Tangential-Normal (RTN) Coordinates, Level Beacon (LB), PT0.125S Data",
          "DOI": "https://doi.org/10.48322/trbb-ff59",
          "ReleaseDate": "2025-12-04T13:31:32Z",
          "RevisionHistory": {
            "RevisionEvent": [
              {
                "ReleaseDate": "2021-04-27T15:38:11",
                "Note": "Only known prior ReleaseDate of the metadata"
              },
              {
                "ReleaseDate": "2023-07-30T12:34:56.789",
                "Note": "Added DOI and PublicationInfo minted by LFB, metadata versioned up to SPASE 2.6.0, reviewed by LFB 20230727"
              },
              {
                "ReleaseDate": "2025-10-03T10:49:11Z",
                "Note": "Updated PublishedBy name to match ROR Registry. 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": "2025-12-04T13:31:32Z",
                "Note": "Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB"
              }
            ]
          },
          "Description": "STEREO Ahead reprocessed IMPACT/MAG Beacon magnetic field vector component and vector magnitude data expressed in Heliographic, HG, Radial-Tangential-Normal, RTN, Cartesian coordinates around the 2015 solar conjunction. * Version 1: Used internally at UCB and UCLA ONLY, No corrections applied to raw MAG data * Version 2: Offset correction applied to MAG data * Version 3: Initial algorithm for correcting glitches for the X sensor on STEREO Ahead applied * Version 4: Improvement in glitch correction algorithm applied * Version 5: Further refinement of the glitch correction for the X sensor on STEREO Ahead, Also, two timing issues resolved: - a) applying a 6 ms time shift to account for time lag between IMPACT IDPU and MAG - b) fixing an occasional 1 s 'glitch' * Version 6: Added FILTER_VALUE variable",
          "Acknowledgement": "Please acknowledge the Principal Investigator J.G. Luhmann for use of the Data",
          "PublicationInfo": {
            "Authors": "Luhmann, Janet, G.",
            "PublicationDate": "2023-01-01T00:00:00",
            "PublishedBy": "Space Physics Data Facility"
          },
          "Contact": [
            {
              "PersonID": "spase://SMWG/Person/Janet.G.Luhmann",
              "Role": "PrincipalInvestigator"
            },
            {
              "PersonID": "spase://SMWG/Person/Robert.M.Candey",
              "Role": "MetadataContact"
            },
            {
              "PersonID": "spase://SMWG/Person/Lee.Frost.Bargatze",
              "Role": "MetadataContact"
            }
          ],
          "InformationURL": {
            "Name": "STEREO IMPACT Experiment web site, UCB",
            "URL": "http://sprg.ssl.berkeley.edu/impact/",
            "Description": "STEREO, In-situ Measurements of Particles and CME Transients, IMPACT, experiment and data descriptions, web site hosted by UC Berkeley"
          },
          "PriorID": "spase://VSPO/NumericalData/STEREO-A/IMPACT/MAG/RTN/LevelBeacon/PT0.125S"
        },
        "AccessInformation": [
          {
            "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb",
            "Availability": "Online",
            "AccessRights": "Open",
            "RightsList": {
              "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 NASA Heliophysics data products"
              }
            },
            "AccessURL": {
              "Name": "FTPS from SPDF (not with most browsers)",
              "URL": "ftps://spdf.gsfc.nasa.gov/pub/data/stereo/ahead/beacon_mag/",
              "Description": "Access to Data in CDF Format via ftp from SPDF"
            },
            "Format": "CDF",
            "Encoding": "None",
            "Acknowledgement": "Please acknowledge the Principal Investigator J.G. Luhmann. Please acknowledge the Data Providers and CDAWeb when using these Data."
          },
          {
            "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb",
            "Availability": "Online",
            "AccessRights": "Open",
            "RightsList": {
              "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 NASA Heliophysics data products"
              }
            },
            "AccessURL": {
              "Name": "HTTPS from SPDF",
              "URL": "https://spdf.gsfc.nasa.gov/pub/data/stereo/ahead/beacon_mag/",
              "Description": "Access to Data in CDF Format via http from SPDF"
            },
            "Format": "CDF",
            "Encoding": "None",
            "Acknowledgement": "Please acknowledge the Principal Investigator J.G. Luhmann. Please acknowledge the Data Providers and CDAWeb when using these Data."
          },
          {
            "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb",
            "Availability": "Online",
            "AccessRights": "Open",
            "RightsList": {
              "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 NASA Heliophysics data products"
              }
            },
            "AccessURL": {
              "Name": "CDAWeb",
              "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=STA_LB_MAG_RTN&index=sp_phys",
              "ProductKey": "STA_LB_MAG_RTN",
              "Description": "Access to ASCII, CDF, and Plots via NASA/GSFC CDAWeb"
            },
            "Format": "CDF",
            "Encoding": "None",
            "Acknowledgement": "Please acknowledge the Principal Investigator J.G. Luhmann. Please acknowledge the Data Providers and CDAWeb when using these Data."
          },
          {
            "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb",
            "Availability": "Online",
            "AccessRights": "Open",
            "RightsList": {
              "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 NASA Heliophysics data products"
              }
            },
            "AccessURL": {
              "Name": "CDAWeb HAPI Server",
              "URL": "https://cdaweb.gsfc.nasa.gov/hapi",
              "Style": "HAPI",
              "ProductKey": "STA_LB_MAG_RTN",
              "Description": "Web Service to this product using the HAPI interface."
            },
            "Format": "CSV",
            "Acknowledgement": "Please acknowledge the Principal Investigator J.G. Luhmann. Please acknowledge the Data Providers and CDAWeb when using these Data."
          }
        ],
        "ProcessingLevel": "Calibrated",
        "InstrumentID": "spase://SMWG/Instrument/STEREO-A/IMPACT/MAG",
        "MeasurementType": "MagneticField",
        "TemporalDescription": {
          "TimeSpan": {
            "StartDate": "2014-08-01T00:00:00.000",
            "StopDate": "2015-11-30T23:59:59.999"
          },
          "Cadence": "PT0.125S"
        },
        "ObservedRegion": "Heliosphere.Remote1AU",
        "Parameter": {
          "Epoch": {
            "Name": "Epoch Time, since 0 A.D.",
            "ParameterKey": "Epoch",
            "Description": "Epoch Time, Milliseconds since 0 A.D.",
            "Caveats": "Interval-centered time tag",
            "Cadence": "PT0.125S",
            "Units": "ms",
            "UnitsConversion": "1e-3>s",
            "RenderingHints": {
              "AxisLabel": "Epoch"
            },
            "ValidMin": "01-Jan-1990 00:00:00.000",
            "ValidMax": "31-Dec-2020 00:00:00.000",
            "FillValue": "31-Dec-9999 23:59:59.999",
            "Support": {
              "SupportQuantity": "Temporal"
            }
          },
          "BFIELD": {
            "Name": "IMPACT/MAG Magnetic Field Vector in Heliographic, RTN",
            "Set": "Time series defined by using: EPOCH",
            "ParameterKey": "BFIELD",
            "Description": "IMPACT/MAG Magnetic Field Vector and Vector Magnitude in Heliographic, HG, Radial-Tangential-Normal, RTN, Coordinates",
            "Cadence": "PT0.125S",
            "Units": "nT",
            "UnitsConversion": "1e-9>T",
            "CoordinateSystem": {
              "CoordinateRepresentation": "Cartesian",
              "CoordinateSystemName": "RTN"
            },
            "RenderingHints": {
              "DisplayType": "TimeSeries",
              "ValueFormat": "E13.6",
              "ScaleType": "LinearScale"
            },
            "Structure": {
              "Size": "4",
              "Element": [
                {
                  "Name": "BR",
                  "Index": "1",
                  "RenderingHints": {
                    "AxisLabel": "BR"
                  }
                },
                {
                  "Name": "BT",
                  "Index": "2",
                  "RenderingHints": {
                    "AxisLabel": "BT"
                  }
                },
                {
                  "Name": "BN",
                  "Index": "3",
                  "RenderingHints": {
                    "AxisLabel": "BN"
                  }
                },
                {
                  "Name": "BTotal",
                  "Index": "4",
                  "RenderingHints": {
                    "AxisLabel": "BTotal"
                  }
                }
              ]
            },
            "ValidMin": "-10000.0",
            "ValidMax": "1.0e+06",
            "FillValue": "-1.0e+31",
            "Field": {
              "Qualifier": "Vector",
              "FieldQuantity": "Magnetic"
            }
          },
          "MAGFLAGUC": {
            "Name": "Flag Values, IMPACT/MAG Magnetic Field Vector in Heliographic, RTN",
            "Set": "Time series defined by using: EPOCH",
            "ParameterKey": "MAGFLAGUC",
            "Description": "Bitwise stored Flag Values, IMPACT/MAG Magnetic Field Vector and Vector Magnitude in Heliographic, HG, Radial-Tangential-Normal, RTN, Coordinates",
            "Caveats": "* bit 0:3 Mag error counter * bit 4:7 Mag command counter * bit 8 Spare * bit 9 First * bit 10 Time * bit 11 Interface parity error: 0=OK, 1=Fault * bit 12 Interface timeout error: 0=OK, 1=Fault * bit 13 ADC calibration: 0=OFF, 1=ON * bit 14 In flight calibration: 0=OFF, 1=ON * bit 15 Range: 0=Low fields, High sensitivity, 1=High fields, Low sensitivity * bit 16 Calibration: 0=Old cal, 1=New cal * bit 17 6 ms added to sync correctly with IDPU * bit 18 62.5 ms to 8 hz data, no longer used * bit 19 Timestamp resync: that is, the time stamp has been changed, i.e. the 1 s glitch * bit 20 Data rate resync: timestamps were calculated with a different Δt for mixed frequency data or the data rate was not synced properly so the records timestamps were calculated incorrectly * bit 21 Derived from 32 hz MAG data",
            "Cadence": "PT0.125S",
            "RenderingHints": {
              "AxisLabel": "MAGFLAGUC",
              "ValueFormat": "I8",
              "ScaleType": "LinearScale"
            },
            "ValidMin": "0",
            "ValidMax": "4294967295",
            "FillValue": "4294967295",
            "Support": {
              "SupportQuantity": "Other"
            }
          },
          "FILTER_VALUE": {
            "Name": "Filter Value, Upper Limit for Valid Magnetic Field Magnitude",
            "ParameterKey": "FILTER_VALUE",
            "Description": "Filter Value corresponds to the Upper Limit for the expected Valid Range of Total Magnetic Field Values, when the Field is greater than the Filter Value, the Data is replaced with Fill Values as such Data are likely Spurious and Non-Physical",
            "Cadence": "PT0.125S",
            "Units": "nT",
            "UnitsConversion": "1e-9>T",
            "RenderingHints": {
              "AxisLabel": "filter",
              "ValueFormat": "E12.2",
              "ScaleType": "LinearScale"
            },
            "ValidMin": "0.0",
            "ValidMax": "100000.0",
            "FillValue": "-1.0e+31",
            "Support": {
              "Qualifier": "Maximum",
              "SupportQuantity": "Other"
            }
          }
        }
      }
    }
  }
}