{
  "id": "VG1_PWS_LR",
  "url": "http://hpde.io/NASA/NumericalData/Voyager1/PWS/CDF/PT4S",
  "data-file": "./data/spase_hpde_io/info/VG1_PWS_LR.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/Voyager1/PWS/CDF/PT4S",
        "NamingAuthority": "NASA",
        "ResourceType": "NumericalData",
        "ResourceHeader": {
          "ResourceName": "Voyager 1 Plasma Wave Subsystem (PWS), 16-Channel Spectrum Analyzer Data",
          "DOI": "https://doi.org/10.17189/wp0z-1c51",
          "ReleaseDate": "2025-12-04T13:32:31Z",
          "RevisionHistory": {
            "RevisionEvent": [
              {
                "ReleaseDate": "2021-04-27T15:38:11",
                "Note": "Only known prior ReleaseDate of the metadata"
              },
              {
                "ReleaseDate": "2022-09-27T12:34:56.789",
                "Note": "Metadata updated to SPASE 2.4.1 and revised by LCG, added PublicationInformation, updated two AccessURL URLs, added Name and Description to PDS PPI AccessURL, corrected Epoch Time Parameter ValidMin by LFB on 20220927"
              },
              {
                "ReleaseDate": "2025-11-14T16:03:10Z",
                "Note": "Added PublicationInfo. 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": "2025-12-04T13:32:31Z",
                "Note": "Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB"
              }
            ]
          },
          "Description": "This data set contains Voyager 1 Plasma Wave Subsystem (PWS) electric field 16-channel Spectrum Analyzer (SA) data for the entire mission in calibrated CDF files. As of the release date new data are accumulating.",
          "Acknowledgement": "W.S. Kurth, J.B. Faden, L.J. Granroth, C.W. Piker, DOI 10.17189/wp0z-1c51",
          "PublicationInfo": {
            "Authors": "Gurnett, Donald A.; Kurth, William S.",
            "PublicationDate": "2025-11-14T16:03:10Z",
            "PublishedBy": "University of Iowa; Space Physics Data Facility; Planetary Data System"
          },
          "Contact": [
            {
              "PersonID": "spase://SMWG/Person/Donald.A.Gurnett",
              "Role": "PrincipalInvestigator"
            },
            {
              "PersonID": "spase://SMWG/Person/William.S.Kurth",
              "Role": "PrincipalInvestigator"
            },
            {
              "PersonID": "spase://SMWG/Person/Jeremy.Faden",
              "Role": "Developer"
            },
            {
              "PersonID": "spase://SMWG/Person/Larry.J.Granroth",
              "Role": [
                "DataProducer",
                "MetadataContact"
              ]
            },
            {
              "PersonID": "spase://SMWG/Person/Chris.W.Piker",
              "Role": "DataProducer"
            },
            {
              "PersonID": "spase://SMWG/Person/Robert.M.Candey",
              "Role": "MetadataContact"
            },
            {
              "PersonID": "spase://SMWG/Person/Lee.Frost.Bargatze",
              "Role": "MetadataContact"
            }
          ],
          "InformationURL": {
            "Name": "Voyager 1 and Voyager 2 Plasma Wave Investigation Information",
            "URL": "https://space.physics.uiowa.edu/plasma-wave/voyager/",
            "Description": "Voyager 1 and Voyager 2 Plasma Wave Investigation Information and Web Site Links"
          },
          "PriorID": "spase://VSPO/NumericalData/Voyager1/PWS/CDF/PT4S"
        },
        "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": "HTTPS from SPDF",
              "URL": "https://spdf.gsfc.nasa.gov/pub/data/voyager/voyager1/wave_spectra_pws/",
              "Description": "Access to Data in CDF Format via https from SPDF"
            },
            "Format": "CDF",
            "Encoding": "None",
            "Acknowledgement": "D. Gurnett, W.S. Kurth. 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=VG1_PWS_LR&index=sp_phys",
              "ProductKey": "VG1_PWS_LR",
              "Description": "Access to ASCII, CDF, and plots via NASA/GSFC CDAWeb"
            },
            "Format": "CDF",
            "Encoding": "None",
            "Acknowledgement": "D. Gurnett, W.S. Kurth. 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": "VG1_PWS_LR",
              "Description": "Web Service to this product using the HAPI interface."
            },
            "Format": "CSV",
            "Acknowledgement": "D. Gurnett, W.S. Kurth. Please acknowledge the data providers and CDAWeb when using these data."
          },
          {
            "RepositoryID": "spase://SMWG/Repository/PDS/PPI",
            "AccessURL": {
              "Name": "NASA PDS PPI data repository",
              "URL": "https://pds-ppi.igpp.ucla.edu/data/voyager1-pws-sa/data/",
              "Description": "Access to Data in CDF Format via https from the NASA Planetary Data System Planetary Plasma Interactions Node"
            },
            "Format": "CDF",
            "Acknowledgement": "Kurth, W. S., Faden, J. B., Granroth, L. J., Piker, C. W. Voyager 1 PWS Low Rate (Spectrum Analyzer) Data Bundle NASA Planetary Data System 2022"
          },
          {
            "RepositoryID": "spase://SMWG/Repository/UIowa/RadioPlasmaWaveGroup",
            "AccessURL": {
              "URL": "https://space.physics.uiowa.edu/plasma-wave/voyager/data/voyager-1-pws-sa/data/"
            },
            "Format": "CDF"
          }
        ],
        "ProcessingLevel": "Calibrated",
        "InstrumentID": "spase://SMWG/Instrument/Voyager1/PWS",
        "MeasurementType": "Waves",
        "TemporalDescription": {
          "TimeSpan": {
            "StartDate": "1977-09-05T00:00:00.000",
            "RelativeStopDate": "-P7D"
          },
          "Cadence": "PT4S"
        },
        "ObservedRegion": [
          "Heliosphere",
          "Heliosphere.NearEarth",
          "Heliosphere.Outer"
        ],
        "Parameter": {
          "epoch": {
            "Name": "Epoch Time",
            "ParameterKey": "epoch",
            "Description": "Epoch Time, Spacecraft Measurement Time",
            "Caveats": "Spacecraft measurement time This parameter exhibits an increasing monotonic progression.",
            "Cadence": "PT4S",
            "Units": "ns",
            "UnitsConversion": "1.0e-9>s",
            "RenderingHints": {
              "AxisLabel": "Time",
              "ScaleType": "LinearScale"
            },
            "ValidMin": "1977-09-05T00:00:00.000000000",
            "ValidMax": "2030-01-01T00:00:00.999000000",
            "FillValue": "9999-12-31T23:59:59.999999999",
            "Support": {
              "SupportQuantity": "Temporal"
            }
          },
          "electric_field": {
            "Name": "Electric Field Strength, Spectrogram",
            "Set": "Time series defined by using: EPOCH",
            "ParameterKey": "electric_field",
            "Description": "Electric Field Strength, Spectrogram",
            "Caveats": "calibrated E-field for 16 channels",
            "Cadence": "PT4S",
            "Units": "V/m",
            "RenderingHints": {
              "DisplayType": "Spectrogram",
              "ValueFormat": "E10.3",
              "ScaleMin": "0.0000001",
              "ScaleMax": "0.01"
            },
            "Structure": {
              "Size": "16",
              "Element": [
                {
                  "Name": "Channel 1",
                  "Index": "1",
                  "RenderingHints": {
                    "AxisLabel": "10.0"
                  }
                },
                {
                  "Name": "Channel 2",
                  "Index": "2",
                  "RenderingHints": {
                    "AxisLabel": "17.8"
                  }
                },
                {
                  "Name": "Channel 3",
                  "Index": "3",
                  "RenderingHints": {
                    "AxisLabel": "31.1"
                  }
                },
                {
                  "Name": "Channel 4",
                  "Index": "4",
                  "RenderingHints": {
                    "AxisLabel": "56.2"
                  }
                },
                {
                  "Name": "Channel 5",
                  "Index": "5",
                  "RenderingHints": {
                    "AxisLabel": "100"
                  }
                },
                {
                  "Name": "Channel 6",
                  "Index": "6",
                  "RenderingHints": {
                    "AxisLabel": "178"
                  }
                },
                {
                  "Name": "Channel 7",
                  "Index": "7",
                  "RenderingHints": {
                    "AxisLabel": "311"
                  }
                },
                {
                  "Name": "Channel 8",
                  "Index": "8",
                  "RenderingHints": {
                    "AxisLabel": "562"
                  }
                },
                {
                  "Name": "Channel 9",
                  "Index": "9",
                  "RenderingHints": {
                    "AxisLabel": "1000"
                  }
                },
                {
                  "Name": "Channel 10",
                  "Index": "10",
                  "RenderingHints": {
                    "AxisLabel": "1780"
                  }
                },
                {
                  "Name": "Channel 11",
                  "Index": "11",
                  "RenderingHints": {
                    "AxisLabel": "3110"
                  }
                },
                {
                  "Name": "Channel 12",
                  "Index": "12",
                  "RenderingHints": {
                    "AxisLabel": "5620"
                  }
                },
                {
                  "Name": "Channel 13",
                  "Index": "13",
                  "RenderingHints": {
                    "AxisLabel": "10000"
                  }
                },
                {
                  "Name": "Channel 14",
                  "Index": "14",
                  "RenderingHints": {
                    "AxisLabel": "17800"
                  }
                },
                {
                  "Name": "Channel 15",
                  "Index": "15",
                  "RenderingHints": {
                    "AxisLabel": "31100"
                  }
                },
                {
                  "Name": "Channel 16",
                  "Index": "16",
                  "RenderingHints": {
                    "AxisLabel": "56200"
                  }
                }
              ]
            },
            "ValidMin": "1.0e-8",
            "ValidMax": "0.15",
            "FillValue": "-1.0e+31",
            "Wave": {
              "WaveType": "PlasmaWaves",
              "WaveQuantity": "Intensity"
            }
          },
          "electric_field_stack": {
            "Name": "Electric Field Strength, Stacked Plots",
            "Set": "Time series defined by using: EPOCH",
            "ParameterKey": "electric_field_stack",
            "Description": "Electric Field Strength, Stacked Plots",
            "Caveats": "calibrated E-field for 16 channels This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: electric_field.",
            "Cadence": "PT4S",
            "Units": "V/m",
            "RenderingHints": {
              "ValueFormat": "E13.3",
              "ScaleMin": "0.000001",
              "ScaleMax": "0.01"
            },
            "Structure": {
              "Size": "16",
              "Element": [
                {
                  "Name": "Channel 1",
                  "Index": "1",
                  "RenderingHints": {
                    "AxisLabel": "10.0"
                  }
                },
                {
                  "Name": "Channel 2",
                  "Index": "2",
                  "RenderingHints": {
                    "AxisLabel": "17.8"
                  }
                },
                {
                  "Name": "Channel 3",
                  "Index": "3",
                  "RenderingHints": {
                    "AxisLabel": "31.1"
                  }
                },
                {
                  "Name": "Channel 4",
                  "Index": "4",
                  "RenderingHints": {
                    "AxisLabel": "56.2"
                  }
                },
                {
                  "Name": "Channel 5",
                  "Index": "5",
                  "RenderingHints": {
                    "AxisLabel": "100"
                  }
                },
                {
                  "Name": "Channel 6",
                  "Index": "6",
                  "RenderingHints": {
                    "AxisLabel": "178"
                  }
                },
                {
                  "Name": "Channel 7",
                  "Index": "7",
                  "RenderingHints": {
                    "AxisLabel": "311"
                  }
                },
                {
                  "Name": "Channel 8",
                  "Index": "8",
                  "RenderingHints": {
                    "AxisLabel": "562"
                  }
                },
                {
                  "Name": "Channel 9",
                  "Index": "9",
                  "RenderingHints": {
                    "AxisLabel": "1000"
                  }
                },
                {
                  "Name": "Channel 10",
                  "Index": "10",
                  "RenderingHints": {
                    "AxisLabel": "1780"
                  }
                },
                {
                  "Name": "Channel 11",
                  "Index": "11",
                  "RenderingHints": {
                    "AxisLabel": "3110"
                  }
                },
                {
                  "Name": "Channel 12",
                  "Index": "12",
                  "RenderingHints": {
                    "AxisLabel": "5620"
                  }
                },
                {
                  "Name": "Channel 13",
                  "Index": "13",
                  "RenderingHints": {
                    "AxisLabel": "10000"
                  }
                },
                {
                  "Name": "Channel 14",
                  "Index": "14",
                  "RenderingHints": {
                    "AxisLabel": "17800"
                  }
                },
                {
                  "Name": "Channel 15",
                  "Index": "15",
                  "RenderingHints": {
                    "AxisLabel": "31100"
                  }
                },
                {
                  "Name": "Channel 16",
                  "Index": "16",
                  "RenderingHints": {
                    "AxisLabel": "56200"
                  }
                }
              ]
            },
            "ValidMin": "1.0e-8",
            "ValidMax": "0.15",
            "FillValue": "-1.0e+31",
            "Wave": {
              "WaveType": "PlasmaWaves",
              "WaveQuantity": "Intensity"
            }
          },
          "electric_field_timeseries": {
            "Name": "Electric Field Strength, Time Series",
            "Set": "Time series defined by using: EPOCH",
            "ParameterKey": "electric_field_timeseries",
            "Description": "Electric Field Strength, Time Series",
            "Caveats": "calibrated E-field for 16 channels This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: electric_field.",
            "Cadence": "PT4S",
            "Units": "V/m",
            "RenderingHints": {
              "DisplayType": "TimeSeries",
              "ValueFormat": "E13.3",
              "ScaleMin": "0.000001",
              "ScaleMax": "0.01"
            },
            "Structure": {
              "Size": "16",
              "Element": [
                {
                  "Name": "Voyager 1 Electric Field at 10.0 Hz",
                  "Index": "1",
                  "RenderingHints": {
                    "AxisLabel": "10.0"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 17.8 Hz",
                  "Index": "2",
                  "RenderingHints": {
                    "AxisLabel": "17.8"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 31.1 Hz",
                  "Index": "3",
                  "RenderingHints": {
                    "AxisLabel": "31.1"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 56.2 Hz",
                  "Index": "4",
                  "RenderingHints": {
                    "AxisLabel": "56.2"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 100 Hz",
                  "Index": "5",
                  "RenderingHints": {
                    "AxisLabel": "100"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 178 Hz",
                  "Index": "6",
                  "RenderingHints": {
                    "AxisLabel": "178"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 311 Hz",
                  "Index": "7",
                  "RenderingHints": {
                    "AxisLabel": "311"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 562 Hz",
                  "Index": "8",
                  "RenderingHints": {
                    "AxisLabel": "562"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 1.00 kHz",
                  "Index": "9",
                  "RenderingHints": {
                    "AxisLabel": "1000"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 1.78 kHz",
                  "Index": "10",
                  "RenderingHints": {
                    "AxisLabel": "1780"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 3.11 kHz",
                  "Index": "11",
                  "RenderingHints": {
                    "AxisLabel": "3110"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 5.62 kHz",
                  "Index": "12",
                  "RenderingHints": {
                    "AxisLabel": "5620"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 10.0 kHz",
                  "Index": "13",
                  "RenderingHints": {
                    "AxisLabel": "10000"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 17.8 kHz",
                  "Index": "14",
                  "RenderingHints": {
                    "AxisLabel": "17800"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 31.1 kHz",
                  "Index": "15",
                  "RenderingHints": {
                    "AxisLabel": "31100"
                  }
                },
                {
                  "Name": "Voyager 1 Electric Field at 56.2 kHz",
                  "Index": "16",
                  "RenderingHints": {
                    "AxisLabel": "56200"
                  }
                }
              ]
            },
            "ValidMin": "1.0e-8",
            "ValidMax": "0.15",
            "FillValue": "-1.0e+31",
            "Wave": {
              "WaveType": "PlasmaWaves",
              "WaveQuantity": "Intensity"
            }
          }
        }
      }
    }
  }
}