{
  "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/DE2/LANG/PT0.5S",
      "NamingAuthority": "NASA",
      "ResourceType": "NumericalData",
      "ResourceHeader": {
        "ResourceName": "DE 2 500ms Langmuir Probe (LANG) Te and Ni data",
        "AlternateName": [
          "Dynamics Explorer 2 LANG data",
          "DE-B LANG data"
        ],
        "DOI": "https://doi.org/10.48322/yq6h-5g10",
        "ReleaseDate": "2025-12-04T13:29:07Z",
        "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": "2025-09-04T12:34:56.789",
              "Note": "Revised ObservedRegion. JMW"
            },
            {
              "ReleaseDate": "2025-10-02T15:11:48Z",
              "Note": "Updated PublishedBy name to match ROR Registry. 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": "2025-12-04T13:29:07Z",
              "Note": "Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB"
            }
          ]
        },
        "Description": "This data set contains electron temperatures and ion densities obtained at 500ms resolution from the DE 2 Langmuir Probe (LANG). Data are available in ASCII from nssdcftp and in CDF format from CDAWeb (as well as CDAWeb plots and lists).",
        "Acknowledgement": "Please acknowledge the IDM Principal Investigator, Dr. Larry Brace",
        "PublicationInfo": {
          "Authors": "Brace, Larry, H.; Candey, Robert, M.",
          "PublicationDate": "2023-01-01T00:00:00",
          "PublishedBy": "Space Physics Data Facility; University of California, Los Angeles"
        },
        "Contact": [
          {
            "PersonID": "spase://SMWG/Person/Larry.H.Brace",
            "Role": "PrincipalInvestigator"
          },
          {
            "PersonID": "spase://SMWG/Person/Robert.M.Candey",
            "Role": "GeneralContact"
          },
          {
            "PersonID": "spase://SMWG/Person/James.M.Weygand",
            "Role": "MetadataContact"
          },
          {
            "PersonID": "spase://SMWG/Person/Lee.Frost.Bargatze",
            "Role": "MetadataContact"
          }
        ],
        "InformationURL": [
          {
            "Name": "Readme file at SPDF",
            "URL": "https://spdf.gsfc.nasa.gov/pub/data/de/de2/plasma_lang/00readme.txt"
          },
          {
            "Name": "NSSDC's Master Catalog on the Langmuir Probe (LANG)",
            "URL": "https://nssdc.gsfc.nasa.gov/nmc/experiment/display.action?id=1981-070B-09",
            "Description": "Introduction to the Langmuir Probe (LANG) Observations on DE 2"
          }
        ],
        "PriorID": [
          "spase://VMO/NumericalData/DE2/LANG/PT0.5S",
          "spase://VSPO/NumericalData/DE2/LANG/PT0.5S"
        ]
      },
      "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": "FTPS from SPDF (not with most browsers)",
              "URL": "ftps://spdf.gsfc.nasa.gov/pub/data/de/de2/plasma_lang/",
              "Description": "For ftp retrieval of daily CDF files"
            },
            {
              "Name": "HTTPS from SPDF",
              "URL": "https://spdf.gsfc.nasa.gov/pub/data/de/de2/plasma_lang/",
              "Description": "In CDF via HTTP from CDAWeb"
            }
          ],
          "Format": "CDF",
          "DataExtent": {
            "Quantity": "1",
            "Units": "MB",
            "Per": "P1D"
          },
          "Acknowledgement": "Please acknowledge the LANG Principal Investigator, Dr. Larry Brace, and the Space Physics Data Facility at NASA/GSFC"
        },
        {
          "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=DE2_PLASMA500MS_LANG&index=sp_phys",
            "ProductKey": "DE2_PLASMA500MS_LANG",
            "Description": "For CDAWeb subset, plot and list capabilities"
          },
          "Format": "Text",
          "DataExtent": {
            "Quantity": "2",
            "Units": "MB",
            "Per": "P1D"
          },
          "Acknowledgement": "Please acknowledge the LANG Principal Investigator, Dr. Larry Brace, and the Space Physics Data Facility at NASA/GSFC"
        },
        {
          "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": "DE2_PLASMA500MS_LANG",
            "Description": "Web Service to this product using the HAPI interface."
          },
          "Format": "CSV",
          "Acknowledgement": "Please acknowledge the LANG Principal Investigator, Dr. Larry Brace, and the Space Physics Data Facility at NASA/GSFC"
        },
        {
          "RepositoryID": "spase://SMWG/Repository/UCLA/DE2",
          "Availability": "Online",
          "AccessRights": "Open",
          "AccessURL": {
            "Name": "VMO UCLA",
            "URL": "http://vmo.igpp.ucla.edu/data1/DE2/LANG/Ne_Te_500ms_ascii/",
            "Description": "Dynamics Explorer 2 Langmuir Probe 500 ms data"
          },
          "Format": "Text",
          "Encoding": "ASCII",
          "Acknowledgement": "NASA; Larry H. Barce; VMO"
        }
      ],
      "ProcessingLevel": "Calibrated",
      "InstrumentID": "spase://SMWG/Instrument/DynamicsExplorer2/LANG",
      "MeasurementType": "ThermalPlasma",
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "1981-08-05T00:00:00",
          "StopDate": "1983-02-16T00:00:00"
        },
        "Cadence": "PT0.5S"
      },
      "ObservedRegion": [
        "Earth.Magnetosphere",
        "Earth.NearSurface.EquatorialRegion",
        "Earth.Magnetosphere.Polar",
        "Earth.NearSurface.Thermosphere",
        "Earth.NearSurface.Atmosphere",
        "Earth.NearSurface.AuroralRegion",
        "Earth.NearSurface",
        "Earth.NearSurface.Ionosphere",
        "Earth.NearSurface.PolarCap"
      ]
    }
  }
}