{
  "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_6_1.xsd",
    "_Note": "Nodes prefixed with a _ are not valid SPASE, but are included for debugging. Values prefixed with a x_ are not valid SPASE but may considered for addition for completeness.",
    "Version": "2.6.1",
    "_MasterURL": "https://cdaweb.gsfc.nasa.gov/pub/software/cdawlib/0JSONS/rbsp-a_density_emfisis-L4_00000000_v01.json (from all.xml)",
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/RBSP/A/EMFISIS/WFR/L4/ElectronDensity/PT0.5S",
      "_ResourceID": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json",
      "ResourceHeader": {
        "ResourceName": "1-second density and other parameters inferred by digitizing the trace on the spectrograms.",
        "_ResourceName": "Source: Master/CDFglobalAttributes/Logical_source_description",
        "AlternateName": "rbsp-a_density_emfisis-L4",
        "_AlternateName": "Source: Master/CDFglobalAttributes/Logical_source",
        "Description": "Density and other parameters inferred by digitizing the trace on the spectrograms.",
        "_Description": "Source: Master/CDFglobalAttributes/TEXT",
        "_Rights": {
          "Name": "SPDX",
          "Description": "Creative Commons Zero v1.0 Universal",
          "URL": "https://spdx.org/licenses/CC0-1.0.html",
          "SchemeURI": "https://spdx.org/licenses/"
        },
        "InformationURL": [
          {
            "Name": "Electron densities inferred from plasma wave\n                spectra obtained by the Waves instrument\n                on Van Allen Probes, W. S. Kurth, S. De Pascuale, J. B. Faden, C. A. Kletzing, G. B. Hospodarsky, S. Thaller, and J. R. Wygant, published in JGR",
            "URL": "https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2014JA020857",
            "Description": "This paper details how electron density was inferred primarily from the upper hybrid resonance frequency.",
            "_Note": "URL also in all.xml, master. Using InformationURL.json."
          },
          {
            "URL": "http://space.physics.uiowa.edu/emfisis/",
            "Name": "EMFISIS instrument",
            "Description": "Details of",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "URL": "http://space.physics.uiowa.edu/emfisis/data/index",
            "Name": "data access (including advanced Autoplot graphics for data files",
            "Description": "EMFISIS",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "URL": "https://rbspgway.jhuapl.edu",
            "Name": "Science Gateway (including Mission Rules of the Road for Data Usage)",
            "Description": "Van Allen Probes",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "Name": "The Van Allen Probes Home Page",
            "URL": "https://vanallenprobes.jhuapl.edu",
            "Description": "Science Gateway (including Mission Rules of the Road for Data Usage)",
            "_Note": "Source: InformationURL.json"
          },
          {
            "Name": "Van Allen Probes Science Gateway for access to Data, Models, Software and Tools for Researchers, Students and the General Public, JHU/APL",
            "URL": "https://rbspgway.jhuapl.edu/",
            "Description": "Van Allen Probes Science Gateway for access to Data, Models, Software and Tools for Researchers, Students and the General Public at the Applied Physics Laboratory, Johns Hopkins University",
            "_Note": "Source: InformationURL.json"
          },
          {
            "Name": "Van Allen Probes Science Gateway, Mission Rules of the Road for Data Usage, JHU/APL",
            "URL": "https://rbspgway.jhuapl.edu/data_policy",
            "Description": "Van Allen Probes Science Gateway, Mission Rules of the Road for Data Usage, Applied Physics Laboratory at the Applied Physics Laboratory, Johns Hopkins University",
            "_Note": "Source: InformationURL.json"
          },
          {
            "Name": "Van Allen Probes EMFISIS Home Page, UI",
            "URL": "http://emfisis.physics.uiowa.edu",
            "Description": "Van Allen Probes Electric and Magnetic Field Instrument Suite and Integrated Science, EMFISIS, Home Page at the University of Iowa",
            "_Note": "Source: InformationURL.json"
          },
          {
            "Name": "Van Allen Probes EMFISIS Web Page with Mission and Instrument Team Links, UI",
            "URL": "http://emfisis.physics.uiowa.edu/about/instrument",
            "Description": "Van Allen Probes Electric and Magnetic Field Instrument Suite and Integrated Science, EMFISIS, Web Page with Mission and Instrument Team Links at the University of Iowa",
            "_Note": "Source: InformationURL.json"
          },
          {
            "Name": "Van Allen Probes EMFISIS Data Access, UI",
            "URL": "http://emfisis.physics.uiowa.edu/data/index",
            "Description": "Van Allen Probes Electric and Magnetic Field Instrument Suite and Integrated Science, EMFISIS, Data Access including advanced Autoplot Graphics with Links to the Data Use Policy and Magnetometer Release Notes at the University of Iowa",
            "_Note": "Source: InformationURL.json"
          }
        ]
      },
      "Caveats": "L4",
      "_Caveats": "Source: Master/CDFglobalAttributes/Rules_of_use",
      "DOI": "https://doi.org/10.48322/c4ha-xj50",
      "_DOI": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/DOI.json",
      "AccessInformation": [
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Craig Kletzing at University of Iowa",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "HTTPS from SPDF",
            "URL": "https://cdaweb.gsfc.nasa.gov/pub/data/rbsp/rbspa/l4/emfisis/density",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "rbsp-a_density_emfisis-l4_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "RBSP-A_DENSITY_EMFISIS-L4"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Craig Kletzing at University of Iowa",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "FTPS from SPDF",
            "URL": "ftps://cdaweb.gsfc.nasa.gov/pub/data/rbsp/rbspa/l4/emfisis/density",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "rbsp-a_density_emfisis-l4_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "RBSP-A_DENSITY_EMFISIS-L4"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Craig Kletzing at University of Iowa",
          "Format": [
            "CDF",
            "CSV",
            "GIF",
            "NetCDF",
            "PNG",
            "PS",
            "PDF",
            "XML",
            "x_Script.IDL",
            "x_Script.Python",
            "Text.ASCII",
            "x_WAV"
          ],
          "AccessURL": {
            "Name": "CDAWeb Web Service",
            "URL": "https://cdaweb.gsfc.nasa.gov/WebServices/",
            "Style": "WebService",
            "Description": "Instructions for using web services to access this dataset an other other metadata and options for CDAWeb datasets. The ProductKey here corresponds to the query parameter 'dataset' in the tables at the AccessURL in a dataset-related request can be made.",
            "ProductKey": "RBSP-A_DENSITY_EMFISIS-L4"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Craig Kletzing at University of Iowa",
          "Format": [
            "CDF",
            "GIF",
            "PDF",
            "Text.ASCII",
            "x_WAV"
          ],
          "AccessURL": {
            "Name": "CDAWeb Web Service user interface",
            "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?index=sp_phys&dataset=RBSP-A_DENSITY_EMFISIS-L4",
            "Style": "WebService",
            "ProductKey": "RBSP-A_DENSITY_EMFISIS-L4",
            "Description": "Web service user interface for this product."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Craig Kletzing at University of Iowa",
          "Format": [
            "x_Script.IDL",
            "x_Script.Python"
          ],
          "AccessURL": {
            "Name": "CDAWeb Python Script",
            "URL": "https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/RBSP-A_DENSITY_EMFISIS-L4/clientLibraryExample/",
            "ProductKey": "RBSP-A_DENSITY_EMFISIS-L4",
            "Style": "WebService",
            "Description": "Web service that generates a Python script to access this product."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/SSCWeb. Please also acknowledge the data producer: Craig Kletzing at University of Iowa",
          "Format": [
            "HTML"
          ],
          "AccessURL": {
            "Name": "4D Orbit Viewer",
            "URL": "https://sscweb.gsfc.nasa.gov/4dorbit/?sc=RBSP-A_DENSITY_EMFISIS-L4",
            "ProductKey": "RBSP-A_DENSITY_EMFISIS-L4",
            "Style": "x_Visualization",
            "Description": "Web Service to this product."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Craig Kletzing at University of Iowa",
          "Format": [
            "CSV",
            "JSON",
            "Binary"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=RBSP-A_DENSITY_EMFISIS-L4",
            "Style": "HAPI",
            "ProductKey": "RBSP-A_DENSITY_EMFISIS-L4",
            "Description": "Web Service to this product using the HAPI interface."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Craig Kletzing at University of Iowa",
          "Format": [
            "x_Script.IDL",
            "x_Script.Javascript",
            "x_Script.MATLAB",
            "x_Script.Python",
            "x_Script.Autoplot",
            "x_Script.curl",
            "x_Script.wget"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Script in Multiple Languages",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=RBSP-A_DENSITY_EMFISIS-L4&return=script",
            "Style": "HAPI",
            "ProductKey": "RBSP-A_DENSITY_EMFISIS-L4",
            "Description": "Web Service user interface that generates scripts in IDL, Javascript, MATLAB, Python, Autoplot, curl, wget to access this product. See https://hapi-server.org/servers/api for the API."
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Craig Kletzing at University of Iowa",
          "Format": [
            "PNG",
            "PDF",
            "SVG"
          ],
          "AccessURL": {
            "Name": "HAPI visualizations",
            "URL": "https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=RBSP-A_DENSITY_EMFISIS-L4&format=gallery",
            "Style": "x_Visualization",
            "ProductKey": "RBSP-A_DENSITY_EMFISIS-L4",
            "Description": "Web Service that generates plots. See https://hapi-server.org/plot/ for the API."
          }
        }
      ],
      "_AccessInformation": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/AccessInformation.json",
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "2012-09-15T00:00:03Z",
          "StopDate": "2019-10-12T23:50:15Z"
        },
        "_TemporalDescription": "Generated from all.xml/@timerange_start and all.xml/@timerange_stop",
        "Cadence": "PT6S",
        "_Cadence": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/rbsp/rbspa/l4/emfisis/density/2012/rbsp-a_density_emfisis-l4_20120915_v1.5.16.cdf. The most common cadence, 6000000000 [ns] = PT6S, occurred for 97.7452% of the 11271 timesteps. "
      },
      "Keyword": [
        "Radiation Belt Storm Probe A (from all.xml/observatory/description/@short)",
        "Electric and Magnetic Field Instrument Suite and Integrated Science (from all.xml/instrument/description/@short)",
        "Solar Physics (from Master/CDFglobalAttributes/Discipline)",
        "Heliospheric Physics (from Master/CDFglobalAttributes/Discipline)",
        "Space Physics (from Master/CDFglobalAttributes/Discipline)",
        "Magnetospheric Science (from Master/CDFglobalAttributes/Discipline)",
        "RBSP-A (from Master/CDFglobalAttributes/Source_name)",
        "Radiation Belt Storm Probe A (from Master/CDFglobalAttributes/Source_name)",
        "L4 (from Master/CDFglobalAttributes/Data_type)",
        "Level 4 (from Master/CDFglobalAttributes/Data_type)",
        "EMFISIS (from all.xml/instrument/@ID)"
      ],
      "ObservedRegion": [
        "Earth.Magnetosphere.Plasmasphere",
        "Earth.NearSurface.MidLatitudeRegion",
        "Earth.Magnetosphere",
        "Earth.NearSurface.EquatorialRegion",
        "Earth.Magnetosphere.Main",
        "Earth.Magnetosphere.RingCurrent",
        "Earth.Magnetosphere.RadiationBelt"
      ],
      "_ObservedRegion": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ObservedRegion.json",
      "ProcessingLevel": null,
      "_ProcessingLevel": "Processing level is not available in the master file; it should be there instead of, say, https://github.com/rweigel/cdawmeta-spase/blob/main/ProcessingLevel.json",
      "InstrumentID": "spase://SMWG/Instrument/RBSP/A/EMFISIS",
      "MeasurementType": [
        "MagneticField",
        "ThermalPlasma",
        "Waves.Passive"
      ],
      "Parameter2": [
        {
          "Name": "Epoch",
          "ParameterKey": "Epoch",
          "Description": "CATDESC: 'Default time'. Notes not in Master CDF: 'The units are the units in CDF files. For other web services, this variable is may be represented as a time string.'",
          "Units": "ns",
          "Support": {
            "Qualifier": "Scalar",
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "Y",
          "ParameterKey": "y",
          "Description": "Master CDF CATDESC: 'Digitized frequency point, interpreted using value of digi_type'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Hz",
          "FillValue": -1e+31
        },
        {
          "Name": "bmag",
          "ParameterKey": "bmag",
          "Description": "Master CDF CATDESC: 'B-Field magnitude used to infer fce'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "nT",
          "FillValue": -1e+31
        },
        {
          "Name": "fce",
          "ParameterKey": "fce",
          "Description": "Master CDF CATDESC: 'Electron cyclotron frequency (fce)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Hz",
          "FillValue": -1e+31
        },
        {
          "Name": "fpe",
          "ParameterKey": "fpe",
          "Description": "Master CDF CATDESC: 'Electron plasma frequency (fpe)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Hz",
          "FillValue": -1e+31
        },
        {
          "Name": "wpe/wpe",
          "ParameterKey": "wpe_over_wce",
          "Description": "Master CDF CATDESC: 'Ratio of electron plasma oscillation (wpe) to cyclotron gyration (wce)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "FillValue": -1e+31
        },
        {
          "Name": "fuh",
          "ParameterKey": "fuh",
          "Description": "Master CDF CATDESC: 'Upper hybrid resonance frequency (fuh)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "Hz",
          "FillValue": -1e+31
        },
        {
          "Name": "density",
          "ParameterKey": "density",
          "Description": "Master CDF CATDESC: 'electron density'. Master CDF VAR_NOTES: 'Electron density inferred from spectrogram.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'",
          "Units": "cm**-3",
          "FillValue": -1e+31
        },
        {
          "Name": "digi_type",
          "ParameterKey": "digi_type",
          "Description": "Master CDF CATDESC: '(NO PLOTTING) digi_type: \"fuh\" means fuh was digitized, or \"fpe\" means fpe was digitized using cutoffs'. Master CDF VAR_NOTES: '\"fuh\" or \"fpe\"'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.'"
        }
      ]
    }
  }
}