{
  "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 https://www.spase-group.org/data/schema/spase-2_5_0.xsd",
    "Version": "2.5.0",
    "NumericalData": {
      "ResourceID": "spase://IUGONET/NumericalData/ISEE/Riometer/ITK/PT1S_cna_cdf",
      "ResourceHeader": {
        "ResourceName": "CDF data of cosmic noise absorption measured with the 30MHz broadbeam riometer at Istok (near Norilisk), Russia.",
        "ReleaseDate": "2017-06-01T00:00:00",
        "Description": "Cosmic Noise Absorption (CNA) measured at 1-sec intervals with the 30MHz broadbeam riometer at Istok (near Norilisk), Russia. The data are distributed in the Common Data Format (CDF).",
        "Acknowledgement": "Riometer Data. PI: Kazuo Shiokawa and Shinichiro Oyama, Institute for Space-Earth Environmental Research, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan. Rules of the Road for OMTI ASI Data Use: 1. Please contact the Principal Investigator (PI), K. Shiokawa (shiokawa at isee.nagoya-u.ac.jp) or S. Oyama, ISEE, Nagoya University before using the data at any publications and/or presentations. 2. Please cite Shiokawa et al. (1999) and/or Shiokawa et al. (2009) in the publication. The detailed citation is: * Shiokawa et al., Earth Planets Space, 51, p.887-896, 1999. * Shiokawa et al., Earth Planets Space, 61, p.479-491, 2009. For more information, see http://stdb2.isee.nagoya-u.ac.jp/omti/",
        "Contact": [
          {
            "PersonID": "spase://IUGONET/Person/Kazuo.Shiokawa",
            "Role": "PrincipalInvestigator"
          },
          {
            "PersonID": "spase://IUGONET/Person/Nozomu.Nishitani",
            "Role": "CoInvestigator"
          },
          {
            "PersonID": "spase://IUGONET/Person/ISEE.Metadata.Management.Group",
            "Role": "MetadataContact"
          }
        ]
      },
      "AccessInformation": {
        "RepositoryID": "spase://IUGONET/Repository/ISEE/ERG-SC",
        "Availability": "Online",
        "AccessRights": "Open",
        "AccessURL": {
          "URL": "https://ergsc.isee.nagoya-u.ac.jp/index.shtml.en"
        },
        "Format": "CDF"
      },
      "InstrumentID": "spase://IUGONET/Instrument/ISEE/Riometer/ITK/riometer",
      "MeasurementType": "Waves",
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "2017-06-01T00:00:00",
          "RelativeStopDate": "P1D"
        }
      },
      "ObservedRegion": [
        "Earth.NearSurface.Ionosphere.ERegion",
        "Earth.NearSurface.Ionosphere.DRegion"
      ],
      "SpatialCoverage": {
        "CoordinateSystem": {
          "CoordinateRepresentation": "Spherical",
          "CoordinateSystemName": "WGS84"
        },
        "CenterLatitude": "70.03",
        "NorthernmostLatitude": "70.53",
        "SouthernmostLatitude": "69.53",
        "CenterLongitude": "88.01",
        "EasternmostLongitude": "88.51",
        "WesternmostLongitude": "87.51"
      },
      "Keyword": "EARTH SCIENCE Sun-earch Interaction Ionosphere/Magnetosphere Dynamics Aurorae",
      "Parameter": [
        {
          "Name": "Epoch for the cna data",
          "ParameterKey": "epoch_1sec",
          "Description": "time label in CDF_EPOCH (the number of milliseconds since 01-Jan-0000) for the cna data. All time values are in the universal time.",
          "Units": "millisecond",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "Cosmic Noise Absorption (CNA)",
          "ParameterKey": "cna",
          "Description": "CNA values at 30 MHz measured with 8x8-element Imaging Riometer.",
          "Cadence": "PT1S",
          "Units": "decibel (dB)",
          "Structure": {
            "Size": "8 8"
          },
          "Wave": {
            "WaveType": "Electromagnetic",
            "WaveQuantity": "Absorption",
            "FrequencyRange": {
              "Low": "29.9",
              "High": "30.1",
              "Units": "MHz"
            }
          }
        },
        {
          "Name": "Quiet-Day Curve (QDC)",
          "ParameterKey": "qdc",
          "Description": "QDC values derived at 1-min resolution for the 8x8-element Imaging Riometer.",
          "Cadence": "PT1M",
          "Units": "decibel (dB)",
          "Structure": {
            "Size": "8 8"
          },
          "Wave": {
            "WaveType": "Electromagnetic",
            "WaveQuantity": "Absorption",
            "FrequencyRange": {
              "Low": "29.9",
              "High": "30.1",
              "Units": "MHz"
            }
          }
        },
        {
          "Name": "Azimuth angle of each antenna beam",
          "ParameterKey": "azimuth_angle",
          "Units": "degree",
          "Structure": {
            "Size": "8 8"
          },
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "Zenith angle of each antenna beam",
          "ParameterKey": "zenith_angle",
          "Units": "degree",
          "Structure": {
            "Size": "8 8"
          },
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "Geographic latitude of each antenna beam center at D-region altitude",
          "ParameterKey": "glat_beam",
          "Units": "degree",
          "Structure": {
            "Size": "8 8"
          },
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "Geographic longitude of each antenna beam center at D-region altitude",
          "ParameterKey": "glon_beam",
          "Units": "degree",
          "Structure": {
            "Size": "8 8"
          },
          "Support": {
            "SupportQuantity": "Other"
          }
        }
      ]
    }
  }
}