{
  "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/c4_cp_sta_ppp_00000000_v01.json (from all.xml)",
    "NumericalData": {
      "ResourceID": null,
      "_ResourceID": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json",
      "ResourceHeader": {
        "ResourceName": "Polarization and Propagation Parameters",
        "_ResourceName": "Source: Master/CDFglobalAttributes/Logical_source_description",
        "AlternateName": "C4_CP_STA_PPP",
        "_AlternateName": "Source: Master/CDFglobalAttributes/Logical_source",
        "Description": "STAFF (Spatio Temporal Analysis of Field Fluctuations) is one of the five experiments of the Wave Experiment Consortium (WEC).The STAFF experiment comprises a boom-mounted three-axis search coil magnetometer to measure magnetic fluctuations in the frequency range 0.1 Hz  - 4 kHz, a preamplifier and an electronics box that houses the two complementary data-analysis packages: a digital Spectrum Analyser, and an on-board waveform unit (SC).",
        "_Description": "Source: Master/CDFglobalAttributes/TEXT",
        "Acknowledgement": [
          "Please acknowledge the STAFF team and the ESA Cluster Archive in any publication based upon use of this data.",
          "Digital Object Identifier for the STAFF archive: doi.org/10.5270/esa-yrzyijm"
        ],
        "_Acknowledgement": "Source: Master/CDFglobalAttributes/Acknowledgement",
        "_Rights": {
          "Name": "SPDX",
          "Description": "Creative Commons Zero v1.0 Universal",
          "URL": "https://spdx.org/licenses/CC0-1.0.html",
          "SchemeURI": "https://spdx.org/licenses/"
        }
      },
      "DOI": null,
      "_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: Patrick Canu at LPP",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "HTTPS from SPDF",
            "URL": "https://cdaweb.gsfc.nasa.gov/pub/data/cluster/c4/sta/polarization_propagation",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "c4_cp_sta_ppp_%Y%m%d_v%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "C4_CP_STA_PPP"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Patrick Canu at LPP",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "FTPS from SPDF",
            "URL": "ftps://cdaweb.gsfc.nasa.gov/pub/data/cluster/c4/sta/polarization_propagation",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "c4_cp_sta_ppp_%Y%m%d_v%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "C4_CP_STA_PPP"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Patrick Canu at LPP",
          "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": "C4_CP_STA_PPP"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Patrick Canu at LPP",
          "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=C4_CP_STA_PPP",
            "Style": "WebService",
            "ProductKey": "C4_CP_STA_PPP",
            "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: Patrick Canu at LPP",
          "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/C4_CP_STA_PPP/clientLibraryExample/",
            "ProductKey": "C4_CP_STA_PPP",
            "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: Patrick Canu at LPP",
          "Format": [
            "HTML"
          ],
          "AccessURL": {
            "Name": "4D Orbit Viewer",
            "URL": "https://sscweb.gsfc.nasa.gov/4dorbit/?sc=C4_CP_STA_PPP",
            "ProductKey": "C4_CP_STA_PPP",
            "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: Patrick Canu at LPP",
          "Format": [
            "CSV",
            "JSON",
            "Binary"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=C4_CP_STA_PPP",
            "Style": "HAPI",
            "ProductKey": "C4_CP_STA_PPP",
            "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: Patrick Canu at LPP",
          "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=C4_CP_STA_PPP&return=script",
            "Style": "HAPI",
            "ProductKey": "C4_CP_STA_PPP",
            "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: Patrick Canu at LPP",
          "Format": [
            "PNG",
            "PDF",
            "SVG"
          ],
          "AccessURL": {
            "Name": "HAPI visualizations",
            "URL": "https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=C4_CP_STA_PPP&format=gallery",
            "Style": "x_Visualization",
            "ProductKey": "C4_CP_STA_PPP",
            "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": "2001-01-07T00:15:33Z",
          "StopDate": "2024-09-29T08:50:13Z"
        },
        "_TemporalDescription": "Generated from all.xml/@timerange_start and all.xml/@timerange_stop",
        "Cadence": "PT4S",
        "_Cadence": "Counts based on variable 'Time__C4_CP_STA_PPP' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/cluster/c4/sta/polarization_propagation/2001/c4_cp_sta_ppp_20010107_v20160411.cdf. The most common cadence, 4000000000000 [ps] = PT4S, occurred for 92.5472% of the 15932 timesteps. "
      },
      "Keyword": [
        "Cluster Satellite No 4 (from all.xml/observatory/description/@short)",
        "Search coil magnetometer and spectrum analyzer (from all.xml/instrument/description/@short)",
        "Space Physics (from Master/CDFglobalAttributes/Discipline)",
        "Magnetospheric Science (from Master/CDFglobalAttributes/Discipline)",
        "C4 (from Master/CDFglobalAttributes/Source_name)",
        "Cluster Satellite No 4 (from Master/CDFglobalAttributes/Source_name)",
        "CP (from Master/CDFglobalAttributes/Data_type)",
        "CAA_Parameter (from Master/CDFglobalAttributes/Data_type)",
        "STA_PPP (from all.xml/instrument/@ID)"
      ],
      "ObservedRegion": [
        "Earth.Magnetosphere.Magnetotail",
        "Earth.Magnetosphere",
        "Earth.Magnetosheath",
        "Earth.NearSurface.AuroralRegion",
        "Earth.NearSurface.Ionosphere",
        "Earth.Magnetosphere.Main",
        "Earth.NearSurface.Plasmasphere",
        "Earth.Magnetosphere.Polar",
        "Heliosphere.NearEarth",
        "Heliosphere.Inner",
        "Earth.NearSurface.PolarCap",
        "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": null,
      "MeasurementType": null,
      "Parameter2": [
        {
          "Name": "UT Time",
          "ParameterKey": "Time__C4_CP_STA_PPP",
          "Description": "CATDESC: 'Interval time tag'. 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": "ms",
          "Support": {
            "Qualifier": "Scalar",
            "SupportQuantity": "Temporal"
          }
        },
        {
          "Name": "Half-interval duration",
          "ParameterKey": "Duration__C4_CP_STA_PPP",
          "Description": "Master CDF CATDESC: 'Half-interval duration'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Time__C4_CP_STA_PPP.'",
          "Units": "s",
          "FillValue": 9.999
        },
        {
          "Name": "Polar Angle (SVD) in MFA coordinate system",
          "ParameterKey": "THSVD_mfa__C4_CP_STA_PPP",
          "Description": "Master CDF CATDESC: 'Polar Angle of the direction of propagation in MFA coordinate system (SVD).'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Time__C4_CP_STA_PPP.'",
          "Units": "deg",
          "FillValue": -999.0,
          "Structure": {
            "Size": [
              27
            ]
          }
        },
        {
          "Name": "Azymuthal Angle (SVD) in MFA coordinate system",
          "ParameterKey": "PHSVD_mfa__C4_CP_STA_PPP",
          "Description": "Master CDF CATDESC: 'Azymuthal angle of the direction of propagation in MFA coordinate system (SVD).'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Time__C4_CP_STA_PPP.'",
          "Units": "deg",
          "FillValue": -999.0,
          "Structure": {
            "Size": [
              27
            ]
          }
        },
        {
          "Name": "Ellipticity of the polarization (SVD).",
          "ParameterKey": "ELLSVD__C4_CP_STA_PPP",
          "Description": "Master CDF CATDESC: 'Ellipticity of the polarization (SVD).'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Time__C4_CP_STA_PPP.'",
          "Units": " ",
          "FillValue": -9.9,
          "Structure": {
            "Size": [
              27
            ]
          }
        },
        {
          "Name": "Degree of polarization in the polarization plane (SVD).",
          "ParameterKey": "POLSVD__C4_CP_STA_PPP",
          "Description": "Master CDF CATDESC: 'Degree of polarization in the polarization plane (SVD).'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Time__C4_CP_STA_PPP.'",
          "Units": " ",
          "FillValue": -9.9,
          "Structure": {
            "Size": [
              27
            ]
          }
        },
        {
          "Name": "Sum of the three magnetic auto-power spectra.",
          "ParameterKey": "BSUM__C4_CP_STA_PPP",
          "Description": "Master CDF CATDESC: 'Sum of the three magnetic auto-power spectra.'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Time__C4_CP_STA_PPP.'",
          "Units": "nT^2 Hz^-1",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              27
            ]
          }
        },
        {
          "Name": "Normalized Z-component of the Poynting vector",
          "ParameterKey": "PVSIGN__C4_CP_STA_PPP",
          "Description": "Master CDF CATDESC: 'Parallel component of the Poynting vector normalized by its standard deviation.'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Time__C4_CP_STA_PPP.'",
          "Units": " ",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              27
            ]
          }
        },
        {
          "Name": "Sum of the two electric auto-power spectra.",
          "ParameterKey": "ESUM__C4_CP_STA_PPP",
          "Description": "Master CDF CATDESC: 'Sum of the two electric auto-power spectra.'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Time__C4_CP_STA_PPP.'",
          "Units": "mV^2 m^-2 Hz^-1",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              27
            ]
          }
        }
      ]
    }
  }
}