{
  "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_7_0.xsd",
    "Version": "2.7.0",
    "NumericalData": {
      "ResourceID": "spase://HamSCI/NumericalData/HFRadars/AmateurRadioSignalReport/AmateurRadioSignalReport",
      "NamingAuthority": "HamSCI",
      "ResourceType": "NumericalData",
      "ResourceHeader": {
        "ResourceName": "Amateur Radio Signal Report",
        "AlternateName": "HamSCI Spot Data",
        "ReleaseDate": "2025-04-17T14:10:13",
        "Description": "This data set contains amateur radio signal report collected from three up-stream data providers including WSPRNet, PSKReporter, and Reverse Beacon Network. Data are available in HDF5 format on madrigal database, with web-based system to plot, download file, print file, and view file information. Each file contains data from one day of amateur radio signal report and the file contains twenty-four data parameters: \r\nyear: Year (universal time), units: y\r\nmonth: Month (universal time), units: m\r\nday: Day (universal time), units: d\r\nhour: Hour (universal time), units: h\r\nmin: Minute (universal time), units: m\r\nsec: Second (universal time), units: s\r\nrecno: Logical Record Number, units: N/A\r\nkindat: Kind of data, units: N/A\r\nkinst: Instrument Code, units: N/A\r\nut1_unix: Unix seconds (1/1/1970) at start, units: s\r\nut2_unix: Unix seconds (1/1/1970) at end, units: s\r\ncall_sign_tx: Transmitting station call sign, units: N/A\r\ntxlat: Decimal latitude of sending station, units: deg\r\ntxlon: Decimal longitude of sending station, units: deg\r\ncall_sign_rx: Receiving station call sign, units: N/A\r\nrxlat: Decimal latitude of receiving station, units: deg\r\nrxlon: Decimal longitude of receiving station, units: deg\r\ntfreq: Transmitted frequency, units: Hz\r\nsn: Signal to noise ratio, units: N/A\r\nsmode: Sender mode of operation, units: N/A\r\nssrc: Sender source type, units: N/A\r\npthlen: Signal path length (assuming shortest path), units: km\r\nlatcen: Latitude of signal center point, units: deg\r\nloncen: Longitude of signal center point, units: deg",
        "Funding": {
          "Agency": "NASA",
          "Project": "Enabling Space Weather Research with Global Scale Amateur Radio Datasets",
          "AwardNumber": "NASA 80NSSC21K1772"
        },
        "Contact": [
          {
            "PersonID": "spase://SMWG/Person/Nathaniel.Frissell",
            "Role": "PrincipalInvestigator"
          },
          {
            "PersonID": "spase://SMWG/Person/William.Engelke",
            "Role": "TechnicalContact"
          },
          {
            "PersonID": "spase://SMWG/Person/Kornyanat.Hozumi",
            "Role": "MetadataContact"
          }
        ]
      },
      "AccessInformation": {
        "RepositoryID": "spase://HamSCI/Repository/Madrigal",
        "Availability": "Online",
        "AccessRights": "Open",
        "AccessURL": {
          "URL": "https://cedar.openmadrigal.org/listExperiments?isGlobal=on&categories=4&instruments=8308&showDefault=on&start_date_0=1950-01-01&start_date_1=00%3A00%3A00&end_date_0=2025-12-31&end_date_1=23%3A59%3A59#",
          "Description": "Daily HamSCI Amateur Radio Signal Report on Madrigal database"
        },
        "Format": "HDF5",
        "Acknowledgement": "Please acknowledge HamSCI team at The University of Scranton and The University of Alabama that collects amateur radio signal report from volunteers via three up-stream data providers including WSPRNet, PSKReporter, and Reverse Beacon Network. The data are available to public at MIT Madrigal database. This effort is supported by NASA grant number 80NSSC21K1772."
      },
      "ProcessingLevel": "ValueAdded",
      "InstrumentID": "spase://HamSCI/Instrument/HFRadars/AmateurRadioSignalReport/AmateurRadioSignalReport",
      "MeasurementType": "Waves",
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "2009-02-24T00:00:00",
          "RelativeStopDate": "-P1M",
          "Note": "Data are current to within about a month. Cadence is irregular."
        }
      },
      "ObservedRegion": "Earth.NearSurface.Ionosphere",
      "Parameter": [
        {
          "Name": "Year",
          "Description": "Year (universal time)",
          "Units": "y",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "month",
          "Description": "Month (universal time)",
          "Units": "m",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "day",
          "Description": "Day (universal time)",
          "Units": "d",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "hour",
          "Description": "Hour (universal time)",
          "Units": "h",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "min",
          "Description": "Minute (universal time)",
          "Units": "m",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "sec",
          "Description": "Second (universal time)",
          "Units": "s",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "recno",
          "Description": "Logical Record Number",
          "Support": {
            "SupportQuantity": "Housekeeping"
          }
        },
        {
          "Name": "kindat",
          "Description": "Kind of data",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "kinst",
          "Description": "Instrument Code",
          "Support": {
            "SupportQuantity": "InstrumentMode"
          }
        },
        {
          "Name": "ut1_unix",
          "Description": "Unix seconds (1/1/1970) at start",
          "Units": "s",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "ut2_unix",
          "Description": "Unix seconds (1/1/1970) at end",
          "Units": "s",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "call_sign_tx",
          "Description": "Transmitting station call sign",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "txlat",
          "Description": "Decimal latitude of sending station",
          "Units": "deg",
          "Support": {
            "SupportQuantity": "Positional"
          }
        },
        {
          "Name": "txlon",
          "Description": "Decimal longitude of sending station",
          "Units": "deg",
          "Support": {
            "SupportQuantity": "Positional"
          }
        },
        {
          "Name": "call_sign_rx",
          "Description": "Receiving station call sign",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "rxlat",
          "Description": "Decimal latitude of receiving station",
          "Units": "deg",
          "Support": {
            "SupportQuantity": "Positional"
          }
        },
        {
          "Name": "rxlon",
          "Description": "Decimal longitude of receiving station",
          "Units": "deg",
          "Support": {
            "SupportQuantity": "Positional"
          }
        },
        {
          "Name": "tfreq",
          "Description": "Transmitted frequency",
          "Units": "Hz",
          "Wave": {
            "WaveQuantity": "Frequency"
          }
        },
        {
          "Name": "sn",
          "Description": "Signal to noise ratio",
          "Wave": {
            "WaveQuantity": "Intensity"
          }
        },
        {
          "Name": "smode",
          "Description": "Sender mode of operation",
          "Support": {
            "SupportQuantity": "InstrumentMode"
          }
        },
        {
          "Name": "ssrc",
          "Description": "Sender source type",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "pthlen",
          "Description": "Signal path length (assuming shortest path)",
          "Units": "km",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "latcen",
          "Description": "Latitude of signal center point",
          "Units": "deg",
          "Support": {
            "SupportQuantity": "Positional"
          }
        },
        {
          "Name": "loncen",
          "Description": "Longitude of signal center point",
          "Units": "deg",
          "Support": {
            "SupportQuantity": "Positional"
          }
        }
      ]
    }
  }
}