{
  "id": "PO_H5_PWI",
  "url": "http://hpde.io/NASA/NumericalData/POLAR/PWI/LHFWR/16kHz/Interferometry/PT0.000028S",
  "data-file": "./data/spase_hpde_io/info/PO_H5_PWI.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/POLAR/PWI/LHFWR/16kHz/Interferometry/PT0.000028S",
        "NamingAuthority": "NASA",
        "ResourceType": "NumericalData",
        "ResourceHeader": {
          "ResourceName": "Polar Plasma Wave Instrument (PWI), High Frequency Waveform Receiver, 16 kHz, Time Domain Fields.",
          "DOI": "https://doi.org/10.48322/kvvt-2c42",
          "ReleaseDate": "2025-12-04T13:31:02Z",
          "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": "2025-08-05T13:12:21Z",
                "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": "2025-10-03T10:48:56Z",
                "Note": "Updated PublishedBy name to match ROR Registry. Added ResourceType and NamingAuthority. ZCB"
              },
              {
                "ReleaseDate": "2025-12-04T13:31:02Z",
                "Note": "Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB"
              }
            ]
          },
          "Description": "The unattenuated frequency range for this file type is 20Hz to 16000Hz. The cadence value given here is computed from the inverse of the sampling rate (35.71 kHz). For a description of the PWI receivers and the different operational modes see: http://www-pw.physics.uiowa.edu/plasma-wave/istp/polar/modes.html",
          "Acknowledgement": "U. Iowa, Donald. A. Gurnett",
          "PublicationInfo": {
            "Authors": "Gurnett, Donald, A.; Menietti, J., Douglas",
            "PublicationDate": "2023-01-01T00:00:00",
            "PublishedBy": "Space Physics Data Facility"
          },
          "Contact": [
            {
              "PersonID": "spase://SMWG/Person/Donald.A.Gurnett",
              "Role": "PrincipalInvestigator"
            },
            {
              "PersonID": "spase://SMWG/Person/J.Douglas.Menietti",
              "Role": "Scientist"
            },
            {
              "PersonID": "spase://SMWG/Person/Jeremy.Faden",
              "Role": "MetadataContact"
            },
            {
              "PersonID": "spase://SMWG/Person/Lee.Frost.Bargatze",
              "Role": "MetadataContact"
            }
          ],
          "InformationURL": {
            "Name": "Polar Plasma Wave Investigation (PWI) Data and User's Guides",
            "URL": "http://www-pw.physics.uiowa.edu/polar/data.html",
            "Description": "A Polar PWI page is maintained at the University of Iowa with descriptions of receivers, interpretation issues, user's guides, data availability tables, a form for creating summary plots and access to pregenerated dynamic spectrograms.",
            "Language": "en"
          },
          "PriorID": [
            "spase://VWO/NumericalData/POLAR/PWI/LHFWR.16kHz.Interferometry.PT0.000028S",
            "spase://VSPO/NumericalData/POLAR/PWI/LHFWR/16kHz/Interferometry/PT0.000028S"
          ]
        },
        "AccessInformation": [
          {
            "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb",
            "Availability": "Online",
            "AccessRights": "Open",
            "RightsList": {
              "Rights": {
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                "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": "FTP access to files at SPDF",
              "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=PO_H5_PWI&index=sp_phys",
              "ProductKey": "PO_H5_PWI",
              "Description": "In CDF via FTP from SPDF"
            },
            "Format": "CDF",
            "Encoding": "None",
            "Acknowledgement": "U. Iowa, Donald. A. Gurnett and the Space Physics Data Facility at NASA/GSFC"
          },
          {
            "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb",
            "Availability": "Online",
            "AccessRights": "Open",
            "RightsList": {
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                "RightsIdentifier": "CC0-1.0",
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                "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/polar/pwi/pwi_h5/",
              "Description": "In CDF via HTTP from SPDF"
            },
            "Format": "CDF",
            "Encoding": "None",
            "Acknowledgement": "U. Iowa, Donald. A. Gurnett and the Space Physics Data Facility at NASA/GSFC"
          },
          {
            "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb",
            "Availability": "Online",
            "AccessRights": "Open",
            "RightsList": {
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                "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=PO_H5_PWI&index=sp_phys",
              "ProductKey": "PO_H5_PWI",
              "Description": "Plots, lists and files from CDAWeb of the data resource:PO_H5_PWI"
            },
            "Format": "Text"
          },
          {
            "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb",
            "Availability": "Online",
            "AccessRights": "Open",
            "RightsList": {
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                "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": [
                "PO_H5_PWI@0",
                "PO_H5_PWI@1"
              ],
              "Description": "Web Service to this product using the HAPI interface."
            },
            "Format": "CSV"
          }
        ],
        "InstrumentID": "spase://SMWG/Instrument/POLAR/PWI",
        "MeasurementType": "Waves.Passive",
        "TemporalDescription": {
          "TimeSpan": {
            "StartDate": "1996-03-25T00:00:00.000",
            "StopDate": "1997-09-15T00:00:00.000",
            "Note": "The cadence value given here is computed from the inverse of the sampling rate (35.71 kHz)."
          },
          "Cadence": "PT0.000028S"
        },
        "ObservedRegion": [
          "Earth.Magnetosphere.Polar",
          "Earth.NearSurface.AuroralRegion",
          "Earth.Magnetosphere"
        ],
        "Keyword": [
          "CDF Global Attribute TITLE: POLAR PWI HFWR",
          "CDF Global Attribute MISSION_GROUP: Polar CDF Global Attribute MISSION_GROUP: Magnetospheric Data",
          "CDF Global Attribute PROJECT: ISTP>International Solar-Terrestrial Physics",
          "CDF Global Attribute DATA_VERSION: 1",
          "CDF Global Attribute DISCIPLINE: Space Physics>Magnetospheric Science",
          "CDF Global Attribute DATA_TYPE: H5>High Resolution Data",
          "CDF Global Attribute ADID_REF: NSSD2001",
          "CDF Global Attribute MODS: Created Jan 2004",
          "Auroral hiss",
          "Chorus",
          "Continuum radiation",
          "Equatorial Noise",
          "Plasmaspheric Hiss",
          "Langmuir Waves",
          "Electostatic Solitary Waves",
          "ESW",
          "Whistlers",
          "Ion Acoustic Waves",
          "Bernstein Waves",
          "Upper Hybrid Waves",
          "Lower Hybrid Waves"
        ],
        "Parameter": {
          "Epoch": {
            "Name": "Time",
            "ParameterKey": "Epoch",
            "Description": "Time, time of HFWR 16 kHz value",
            "Units": "ms",
            "RenderingHints": {
              "AxisLabel": "Epoch"
            },
            "ValidMin": "27-Feb-1996 00:00:00.000",
            "ValidMax": "31-Dec-2020 00:00:00.000",
            "FillValue": "-1.0e+31",
            "Support": {
              "SupportQuantity": "Temporal"
            }
          },
          "Gain 1": {
            "Name": "Gain for HFWR Channel 1 (Eu)",
            "Set": "This parameter is in the set of parameters that depends on the CDF column with the Parameter Key, EPOCH, to specify the Time of Observation.",
            "ParameterKey": "Gain 1",
            "Description": "Channel 1 Gain (HFWR 16 kHz)",
            "Units": "dB",
            "RenderingHints": {
              "AxisLabel": "Gain1",
              "ValueFormat": "I2"
            },
            "ValidMin": "0",
            "ValidMax": "30",
            "FillValue": "-1",
            "Support": {
              "SupportQuantity": "Other"
            }
          },
          "Gain2": {
            "Name": "Gain for HFWR Channel 2 (Ev)",
            "Set": "This parameter is in the set of parameters that depends on the CDF column with the Parameter Key, EPOCH, to specify the Time of Observation.",
            "ParameterKey": "Gain2",
            "Description": "Channel 2 Gain (HFWR 16 kHz)",
            "Units": "dB",
            "RenderingHints": {
              "AxisLabel": "Gain2",
              "ValueFormat": "I2"
            },
            "ValidMin": "0",
            "ValidMax": "30",
            "FillValue": "-1",
            "Support": {
              "SupportQuantity": "Other"
            }
          },
          "Gain3": {
            "Name": "Gain for HFWR Channel 3 (Ez)",
            "Set": "This parameter is in the set of parameters that depends on the CDF column with the Parameter Key, EPOCH, to specify the Time of Observation.",
            "ParameterKey": "Gain3",
            "Description": "Channel 3 Gain (HFWR 16 kHz)",
            "Units": "dB",
            "RenderingHints": {
              "AxisLabel": "Gain3",
              "ValueFormat": "I2"
            },
            "ValidMin": "0",
            "ValidMax": "30",
            "FillValue": "-1",
            "Support": {
              "SupportQuantity": "Other"
            }
          },
          "MGain": {
            "Name": "Gain for HFWR 16 kHz M-Field (Bu, Bv, Bz)",
            "Set": "This parameter is in the set of parameters that depends on the CDF column with the Parameter Key, EPOCH, to specify the Time of Observation.",
            "ParameterKey": "MGain",
            "Description": "M Gain (HFWR 16 kHz)",
            "Caveats": "Applies to all 3 Magnetic Channels",
            "Units": "dB",
            "RenderingHints": {
              "AxisLabel": "MGain",
              "ValueFormat": "I2"
            },
            "ValidMin": "0",
            "ValidMax": "30",
            "FillValue": "-1",
            "Support": {
              "SupportQuantity": "Other"
            }
          },
          "HFWR_Eu16K": {
            "Name": "HFWR 16 kHz Elec Field Antenna Eu",
            "Set": "This parameter is in the set of parameters that depends on the CDF column with the Parameter Key, EPOCH, to specify the Time of Observation. EPOCH Catalog Description (CATDESC): HFWR Elec Field Antenna Ex (perp and outward in Local-Field Aligned/LFA coords).",
            "ParameterKey": "HFWR_Eu16K",
            "Description": "HFWR 16 kHz Elec Field Antenna Eu",
            "Units": "mV/M",
            "RenderingHints": {
              "AxisLabel": "HFWR_Eu16K",
              "ValueFormat": "E12.4"
            },
            "ValidMin": "-30.0",
            "ValidMax": "30.0",
            "FillValue": "-1.0e+31",
            "Wave": {
              "WaveType": "PlasmaWaves",
              "WaveQuantity": "ACElectricField"
            }
          },
          "HFWR_Evp16K": {
            "Name": "HFWR 16 kHz Elec Field Antenna Ev+",
            "Set": "This parameter is in the set of parameters that depends on the CDF column with the Parameter Key, EPOCH, to specify the Time of Observation. EPOCH Catalog Description (CATDESC): HFWR Elec Field Antenna Ey (perp and eastward in Local-Field Aligned/LFA coords).",
            "ParameterKey": "HFWR_Evp16K",
            "Description": "HFWR 16 kHz Elec Field Antenna Ev+",
            "Units": "mV/M",
            "RenderingHints": {
              "AxisLabel": "HFWR_Evp16K",
              "ValueFormat": "E12.4"
            },
            "ValidMin": "-30.0",
            "ValidMax": "30.0",
            "FillValue": "-1.0e+31",
            "Wave": {
              "WaveType": "PlasmaWaves",
              "WaveQuantity": "ACElectricField"
            }
          },
          "HFWR_Evm16K": {
            "Name": "HFWR 16 kHz Elec Field Antenna Ev-",
            "Set": "This parameter is in the set of parameters that depends on the CDF column with the Parameter Key, EPOCH, to specify the Time of Observation. EPOCH Catalog Description (CATDESC): HFWR Elec Field Antenna Ez (parallel in Local-Field Aligned/LFA coords).",
            "ParameterKey": "HFWR_Evm16K",
            "Description": "HFWR 16 kHz Elec Field Antenna Ev-",
            "Units": "mV/M",
            "RenderingHints": {
              "AxisLabel": "HFWR_Evm16K",
              "ValueFormat": "E12.4"
            },
            "ValidMin": "-30.0",
            "ValidMax": "30.0",
            "FillValue": "-1.0e+31",
            "Wave": {
              "WaveType": "PlasmaWaves",
              "WaveQuantity": "ACElectricField"
            }
          },
          "HFWR_Bu16K": {
            "Name": "HFWR 16 kHz Mag Field Antenna Bu",
            "Set": "This parameter is in the set of parameters that depends on the CDF column with the Parameter Key, EPOCH, to specify the Time of Observation. EPOCH Catalog Description (CATDESC): HFWR Mag Field Antenna Bx (perp and outward in Local-Field Aligned/LFA coords).",
            "ParameterKey": "HFWR_Bu16K",
            "Description": "HFWR 16 kHz Mag Field Antenna Bu",
            "Units": "nT",
            "RenderingHints": {
              "AxisLabel": "HFWR_Bu16K",
              "ValueFormat": "E12.4"
            },
            "ValidMin": "-200.0",
            "ValidMax": "200.0",
            "FillValue": "-1.0e+31",
            "Wave": {
              "WaveType": "PlasmaWaves",
              "WaveQuantity": "ACMagneticField"
            }
          },
          "HFWR_Bv16K": {
            "Name": "HFWR 16 kHz Mag Field Antenna Bv",
            "Set": "This parameter is in the set of parameters that depends on the CDF column with the Parameter Key, EPOCH, to specify the Time of Observation. EPOCH Catalog Description (CATDESC): HFWR Mag Field Antenna By (perp and eastward in Local-Field Aligned/LFA coords).",
            "ParameterKey": "HFWR_Bv16K",
            "Description": "HFWR 16 kHz Mag Field Antenna Bv",
            "Units": "nT",
            "RenderingHints": {
              "AxisLabel": "HFWR_Bv16K",
              "ValueFormat": "E12.4"
            },
            "ValidMin": "-200.0",
            "ValidMax": "200.0",
            "FillValue": "-1.0e+31",
            "Wave": {
              "WaveType": "PlasmaWaves",
              "WaveQuantity": "ACMagneticField"
            }
          },
          "HFWR_Bz16K": {
            "Name": "HFWR 16 kHz Mag Field Antenna Bz",
            "Set": "This parameter is in the set of parameters that depends on the CDF column with the Parameter Key, EPOCH, to specify the Time of Observation. EPOCH Catalog Description (CATDESC): HFWR Mag Field Antenna Bz (parallel in Local-Field Aligned/LFA coords).",
            "ParameterKey": "HFWR_Bz16K",
            "Description": "HFWR 16 kHz Mag Field Antenna Bz",
            "Caveats": "When FFT is applied, Filter Rolls off at 25 kHz",
            "Units": "nT",
            "RenderingHints": {
              "AxisLabel": "HFWR_Bz16K",
              "ValueFormat": "E12.4"
            },
            "ValidMin": "-200.0",
            "ValidMax": "200.0",
            "FillValue": "-1.0e+31",
            "Wave": {
              "WaveType": "PlasmaWaves",
              "WaveQuantity": "ACMagneticField"
            }
          },
          "DATA_QUALITY": {
            "Name": "DATA_QUALITY",
            "Set": "This parameter is in the set of parameters that depends on the CDF column with the Parameter Key, EPOCH, to specify the Time of Observation. EPOCH Catalog Description (CATDESC): Data Quality for Ex components (0 = OK, 1 = clipped or questionable).",
            "ParameterKey": "DATA_QUALITY",
            "Description": "DATA_QUALITY 0 = OK, 1 = poor",
            "Units": "(0=OK,1=Poor)",
            "RenderingHints": {
              "AxisLabel": "DATA_QUALITY",
              "ValueFormat": "I1"
            },
            "ValidMin": "0",
            "ValidMax": "1",
            "FillValue": "-1",
            "Support": {
              "SupportQuantity": "Other"
            }
          }
        }
      }
    }
  }
}