{
  "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_4_0.xsd",
    "Version": "2.4.0",
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/ACE/EPAM/CA60/PHA/Ion/SEP_Event/MatrixData/PT17M",
      "ResourceHeader": {
        "ResourceName": "ACE Electron Proton Alpha Monitor (EPAM) CA60 PHA Ion SEP Event Matrix Data, 17 min Averages",
        "AlternateName": "EPAM-PHA-EVENT",
        "DOI": "https://doi.org/10.48322/6mqq-dp50",
        "ReleaseDate": "2022-05-17T12:34:56.789",
        "RevisionHistory": {
          "RevisionEvent": [
            {
              "ReleaseDate": "2020-07-07T21:14:06",
              "Note": "Last prior known metadata Release Date"
            },
            {
              "ReleaseDate": "2022-04-27T00:00:00",
              "Note": "ACE: DOI and PublicationInfo added, DataProducer PersonID updated, metadata revised by J.M. Weygand, reviewed by LFB 2022-05-17"
            },
            {
              "ReleaseDate": "2022-05-17T12:34:56.789",
              "Note": "ACE: Updated to SPASE Version 2.4.0, revised by LFB on 2022-05-17"
            }
          ]
        },
        "Description": "Pulse Height Analyzer matrix data for a single Solar Energetic Particle event from the ACE:EPAM instrument. Using the PHA data, one can quickly and very accurately determine composition.",
        "Acknowledgement": "Thomas P. Armstrong, Fundamental Technologies LLC",
        "PublicationInfo": {
          "Authors": "Gold, R.E., Roelof, E.C., Krimigis, S., Haggerty, D., Armstrong, T., Manweiler, J.W., and Patterson, J.D.",
          "PublicationDate": "2022-04-27T00:00:00",
          "PublishedBy": "NASA Space Physics Data Facility"
        },
        "Contact": {
          "PersonID": "spase://SMWG/Person/Dennis.Haggerty",
          "Role": "DataProducer"
        },
        "InformationURL": {
          "Name": "Explanation of EPAM print-groups and CSV file nomenclature.",
          "URL": "http://data.ftecs.com/VHO/VEPO/ace_epam/explanation-csv-files.html",
          "Description": "The Explanation HTML page at Fundamental Technologies describes how the numeric data from the ACE EPAM instrument are divided into different print-groups, the nomenclature of the ASCII-based comma-separated variable (CSV) files, and how those files can be accessed."
        },
        "Association": {
          "AssociationID": "spase://NASA/NumericalData/ACE/EPAM/CA60/PHA/Sectored/Ion/SEP_Event/CountRates/PT17M",
          "AssociationType": "Other"
        },
        "PriorID": [
          "spase://VEPO/NumericalData/ACE/EPAM/PHA/G120",
          "spase://VSPO/NumericalData/ACE/EPAM/CA60/PHA/Ion/SEP_Event/MatrixData/PT17M"
        ]
      },
      "AccessInformation": {
        "RepositoryID": "spase://SMWG/Repository/FTECS",
        "Availability": "Online",
        "AccessRights": "Open",
        "AccessURL": {
          "Name": "ACE EPAM PHA Event Data",
          "URL": "http://data.ftecs.com/VHO/VEPO/ace_epam/pha/events/",
          "Description": "Parent directory containing the PHA event data for the ACE/EPAM instrument for the entire mission."
        },
        "Format": "Text",
        "Encoding": "ASCII",
        "Acknowledgement": "Thomas P. Armstrong, Fundamental Technologies LLC"
      },
      "InstrumentID": "spase://SMWG/Instrument/ACE/EPAM",
      "MeasurementType": "EnergeticParticles",
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "1990-01-01T00:00:00.000",
          "StopDate": "2007-12-31T23:59:59.000"
        },
        "Cadence": "PT17M"
      },
      "ObservedRegion": "Heliosphere.NearEarth",
      "Parameter": [
        {
          "Name": "Time for the record",
          "ParameterKey": "TimeStamp",
          "Description": "Time for the record given in year, day of year, hour, min, and decimal seconds. The given time represents the beginning of the event interval.",
          "Structure": {
            "Size": "5",
            "Element": [
              {
                "Name": "Year",
                "Index": "1",
                "FillValue": "-9999"
              },
              {
                "Name": "Day of year",
                "Index": "2",
                "ValidMin": "1",
                "ValidMax": "366",
                "FillValue": "-999"
              },
              {
                "Name": "Hour of day",
                "Index": "3",
                "ValidMin": "0",
                "ValidMax": "23",
                "FillValue": "-99"
              },
              {
                "Name": "Minute of hour",
                "Index": "4",
                "ValidMin": "0",
                "ValidMax": "59",
                "FillValue": "-99"
              },
              {
                "Name": "Seconds of minute",
                "Index": "5",
                "ValidMin": "0.00",
                "ValidMax": "59.99",
                "FillValue": "-99.99"
              }
            ]
          },
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "Number of Events",
          "ParameterKey": "NEVENTS",
          "Description": "Number of C/D pairs contained in this event file.",
          "ValidMin": "0",
          "ValidMax": "1024",
          "FillValue": "null",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "Event time offset",
          "ParameterKey": "ETIME",
          "Description": "Time offset for a given C/D pair in hundredths of a second",
          "ValidMin": "0",
          "ValidMax": "204800",
          "FillValue": "null",
          "Support": {
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "Sector",
          "ParameterKey": "SECT",
          "Description": "Sector, 1-8, in which the C/D event pair occurs.",
          "ValidMin": "1",
          "ValidMax": "8",
          "FillValue": "null",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "C1 Digitized Height",
          "ParameterKey": "C1",
          "Description": "Digitized pulse height from the first sampling of the C detector.",
          "ValidMin": "0",
          "ValidMax": "255",
          "FillValue": "null",
          "Particle": {
            "ParticleType": "Ion",
            "ParticleQuantity": "Energy"
          }
        },
        {
          "Name": "D1 Digitized Height",
          "ParameterKey": "D1",
          "Description": "Digitized pulse height from the first sampling of the D detector.",
          "ValidMin": "0",
          "ValidMax": "255",
          "FillValue": "null",
          "Particle": {
            "ParticleType": "Ion",
            "ParticleQuantity": "Energy"
          }
        },
        {
          "Name": "C2 Digitized Height",
          "ParameterKey": "C2",
          "Description": "Digitized pulse height from the second sampling of the C detector.",
          "ValidMin": "0",
          "ValidMax": "255",
          "FillValue": "null",
          "Particle": {
            "ParticleType": "Ion",
            "ParticleQuantity": "Energy"
          }
        },
        {
          "Name": "D2 Digitized Height",
          "ParameterKey": "D2",
          "Description": "Digitized pulse height from the second sampling of the D detector.",
          "ValidMin": "0",
          "ValidMax": "255",
          "FillValue": "null",
          "Particle": {
            "ParticleType": "Ion",
            "ParticleQuantity": "Energy"
          }
        },
        {
          "Name": "C1 Energy",
          "ParameterKey": "C1-Eng",
          "Description": "Deposited energy from the first sampling of the C detector.",
          "Units": "keV",
          "ValidMin": "0.0",
          "ValidMax": "1.00E+06",
          "FillValue": "null",
          "Particle": {
            "ParticleType": "Ion",
            "ParticleQuantity": "Energy"
          }
        },
        {
          "Name": "D1 Energy",
          "ParameterKey": "D1-Eng",
          "Description": "Deposited energy from the first sampling of the D detector.",
          "Units": "keV",
          "ValidMin": "0.0",
          "ValidMax": "1.00E+06",
          "FillValue": "null",
          "Particle": {
            "ParticleType": "Ion",
            "ParticleQuantity": "Energy"
          }
        },
        {
          "Name": "C2 Energy",
          "ParameterKey": "C2-Eng",
          "Description": "Deposited energy from the second sampling of the C detector.",
          "Units": "keV",
          "ValidMin": "0.0",
          "ValidMax": "1.00E+06",
          "FillValue": "null",
          "Particle": {
            "ParticleType": "Ion",
            "ParticleQuantity": "Energy"
          }
        },
        {
          "Name": "D2 Energy",
          "ParameterKey": "D2-Eng",
          "Description": "Deposited energy from the second sampling of the D detector.",
          "Units": "keV",
          "ValidMin": "0.0",
          "ValidMax": "1.00E+06",
          "FillValue": "null",
          "Particle": {
            "ParticleType": "Ion",
            "ParticleQuantity": "Energy"
          }
        },
        {
          "Name": "Priority Schedule",
          "ParameterKey": "PSCHED",
          "Description": "Schedule for species priority: 0 - Fe, O, He, H 1 - O, Fe, H, He 2 - H, Fe, O, He 3 - He, Fe, O, H",
          "ValidMin": "0",
          "ValidMax": "3",
          "FillValue": "null",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "Event 1 Channel",
          "ParameterKey": "E1-Ch",
          "Description": "Channel which triggered the first event pair, W1-W8.",
          "Support": {
            "SupportQuantity": "Other"
          }
        },
        {
          "Name": "Event 2 Channel",
          "ParameterKey": "E2-Ch",
          "Description": "Channel which triggered the second event pair, W1-W8.",
          "Support": {
            "SupportQuantity": "Other"
          }
        }
      ]
    }
  }
}