{
  "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/RBSP/B/EMFISIS/HFR/L2/WAVEFORM",
      "NamingAuthority": "NASA",
      "ResourceType": "NumericalData",
      "ResourceHeader": {
        "ResourceName": "Van Allen Probe B high frequency receiver waveform data",
        "DOI": "https://doi.org/10.48322/dz64-x875",
        "ReleaseDate": "2025-12-04T13:31:16Z",
        "RevisionHistory": {
          "RevisionEvent": [
            {
              "ReleaseDate": "2021-04-27T15:38:11",
              "Note": "Only known prior ReleaseDate of the metadata"
            },
            {
              "ReleaseDate": "2022-08-18T12:34:56.789",
              "Note": "Added DOI and PublicationInfo minted by LFB, updated InformationURL URLs as needed, updated the SPDF MetadataContact Person to Robert M. Candey, metadata updated to SPASE 2.4.1, reviewed by LFB 20220818"
            },
            {
              "ReleaseDate": "2024-04-17T12:00:00.000",
              "Note": "Updated dataset description, reviewed by SAB 20240418"
            },
            {
              "ReleaseDate": "2025-08-05T13:12:27Z",
              "Note": "Added ObservedRegion(s). 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 value in Version tag. ZCB"
            },
            {
              "ReleaseDate": "2025-10-03T10:49:05Z",
              "Note": "Updated PublishedBy name to match ROR Registry. Added ResourceType and NamingAuthority. ZCB"
            },
            {
              "ReleaseDate": "2025-12-04T13:31:16Z",
              "Note": "Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB"
            }
          ]
        },
        "Description": "High Frequency Receiver (HFR) data of Single Axis AC Electric Field Waveform (Selectable between the U, V and W Axis). Units: V/m. Sample Rate: 1 Msample/sec. Sample Size: 4096 samples. Cadence: variable.",
        "Acknowledgement": "NASA Space Physics Data Facility (SPDF) CDAWeb.",
        "PublicationInfo": {
          "Authors": "C.A. Kletzing",
          "PublicationDate": "2022-01-01T00:00:00",
          "PublishedBy": "Space Physics Data Facility"
        },
        "Contact": [
          {
            "PersonID": "spase://SMWG/Person/Craig.A.Kletzing",
            "Role": "PrincipalInvestigator"
          },
          {
            "PersonID": "spase://SMWG/Person/Robert.M.Candey",
            "Role": "GeneralContact"
          },
          {
            "PersonID": "spase://SMWG/Person/Lee.Frost.Bargatze",
            "Role": "MetadataContact"
          }
        ],
        "InformationURL": [
          {
            "Name": "EMFISIS/MAG Release Notes",
            "URL": "http://emfisis.physics.uiowa.edu/data/mag_release_notes",
            "Description": "Current EMFISIS/MAG Issues, Caveats and Production Release Notes"
          },
          {
            "Name": "EMFISIS Data Index",
            "URL": "http://emfisis.physics.uiowa.edu/data/index",
            "Description": "data access (including advanced Autoplot graphics for data files"
          },
          {
            "Name": "EMFISIS Instrument Description",
            "URL": "http://emfisis.physics.uiowa.edu/about/instrument",
            "Description": "instrument and team description"
          },
          {
            "Name": "The Van Allen Probes Home Page",
            "URL": "https://vanallenprobes.jhuapl.edu",
            "Description": "Science Gateway (including Mission Rules of the Road for Data Usage)"
          }
        ],
        "PriorID": [
          "spase://ViRBO/NumericalData/RBSP/B/EMFISIS/HFR-WAVEFORM/L2/variable",
          "spase://ViRBO/NumericalData/RBSP/B/EMFISIS/HFR-WAVEFORM_EMFISIS-L2/variable",
          "spase://ViRBO/NumericalData/RBSP/B/EMFISIS/HFR-WAVEFORM/QUICK-LOOK/variable",
          "spase://VSPO/NumericalData/RBSP/B/EMFISIS/HFR-WAVEFORM",
          "spase://VSPO/NumericalData/RBSP/B/EMFISIS/HFR/L2/WAVEFORM"
        ]
      },
      "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/rbsp/rbspb/l2/emfisis/hfr/waveform/",
              "Description": "In CDF via ftp from CDAWeb"
            },
            {
              "Name": "HTTPS from SPDF",
              "URL": "https://spdf.gsfc.nasa.gov/pub/data/rbsp/rbspb/l2/emfisis/hfr/waveform/",
              "Description": "In CDF via HTTP from SPDF"
            }
          ],
          "Format": "CDF",
          "Acknowledgement": "Please acknowledge the CDAWeb team at GSFC/SPDF."
        },
        {
          "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=RBSP-B_HFR-WAVEFORM_EMFISIS-L2&index=sp_phys",
            "ProductKey": "RBSP-B_HFR-WAVEFORM_EMFISIS-L2"
          },
          "Format": "Text"
        },
        {
          "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": [
              "RBSP-B_HFR-WAVEFORM_EMFISIS-L2@0",
              "RBSP-B_HFR-WAVEFORM_EMFISIS-L2@1"
            ],
            "Description": "Web Service to this product using the HAPI interface."
          },
          "Format": "CSV"
        }
      ],
      "InstrumentID": "spase://SMWG/Instrument/RBSP/B/EMFISIS",
      "MeasurementType": "Waves",
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "2012-09-01T03:43:57.000Z",
          "StopDate": "2019-10-18T16:30:00Z"
        }
      },
      "ObservedRegion": [
        "Earth.Magnetosphere.RingCurrent",
        "Earth.Magnetosphere.RadiationBelt",
        "Earth.Magnetosphere.Plasmasphere",
        "Earth.Magnetosphere.Main"
      ],
      "Parameter": [
        {
          "Name": "Epoch",
          "ParameterKey": "Epoch",
          "Description": "Default time",
          "Caveats": "Original base times",
          "Units": "ns",
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "Epoch",
          "ParameterKey": "Epoch_expanded",
          "Description": "Expanded times",
          "Caveats": "Computed Epoch's based on Epoch/basetime plus timeOffsets_NRV",
          "Units": "ns",
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "HFRsamples",
          "ParameterKey": "HFRsamples_spec",
          "Description": "V/m displayed as spectrogram of values vs time offsets",
          "Units": "V/m",
          "Structure": {
            "Size": "4096"
          },
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "HFRsamples",
          "ParameterKey": "HFRsamples_times",
          "Description": "V/m displayed as very high resolution time-series",
          "Units": "V/m",
          "Structure": {
            "Size": "4096"
          },
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "HFRsamples",
          "ParameterKey": "HFRsamples",
          "Description": "[NOT USEFUL] HFR Waveform",
          "Caveats": "Original definition",
          "Units": "V/m",
          "Structure": {
            "Size": "4096"
          },
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "HBGain",
          "ParameterKey": "HBGain",
          "Description": "HFR Gain Select (0 - Standard Gain, 1 - Attenuator On)",
          "Units": "(0=stnd,1=Atten)",
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "HBSelect",
          "ParameterKey": "HBSelect",
          "Description": "HFR receiver Antenna Select (0 - U axis,1 - V axis,2 - W axis {spin axis})",
          "Units": "(0=U,1=V,2=W/Spin)",
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "Epoch",
          "ParameterKey": "SPTT",
          "Description": "Sun Pulse time tag. Epoch of the last sun pulse. (Lowest 6 bits of MET and subseconds.",
          "Caveats": "Mask lowest six bits of MET and add SPTT to create sun pulse time in MET.",
          "Units": "ns",
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "timeOffsets",
          "ParameterKey": "timeOffsets",
          "Description": "Time step, in seconds, for each of the 4096 points referenced from the first point.",
          "Caveats": "Absolute time for each sample point would be Epoch (converted to seconds) plus timeOffsets.",
          "Units": "ns",
          "Structure": {
            "Size": "4096"
          },
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "HFR_Spec",
          "ParameterKey": "HFR_Spec",
          "Description": "[NOT YET FUNCTIONAL] Spectrogram of HFR waveform",
          "Units": "V^2/m^2/Hz",
          "Structure": {
            "Size": "4096"
          },
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "fftSize",
          "ParameterKey": "fftSize",
          "Description": "size of FFT",
          "Structure": {
            "Size": "1"
          },
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "APID",
          "ParameterKey": "APID",
          "Description": "APID",
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "Comp No 1",
          "ParameterKey": "HFRsamples_spec_DEPEND_1",
          "Description": "Comp No 1",
          "Structure": {
            "Size": "4096"
          },
          "Mixed": {
            "MixedQuantity": "Other"
          }
        },
        {
          "Name": "NRV TimeOffsets",
          "ParameterKey": "TimeOffsets_NRV",
          "Description": "NRV TimeOffsets",
          "Caveats": "Absolute time for each sample point would be Epoch (which is in ns) plus timeOffsets (also in ns).",
          "Units": "ns",
          "Structure": {
            "Size": "4096"
          },
          "Mixed": {
            "MixedQuantity": "Other"
          }
        }
      ]
    }
  }
}