{
  "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/imap_swapi_l3b_combined_00000000_v01.json (from all.xml)",
    "NumericalData": {
      "ResourceID": null,
      "_ResourceID": "Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json",
      "ResourceHeader": {
        "ResourceName": "SWAPI Instrument Combined VDF and Differential Flux",
        "_ResourceName": "Source: Master/CDFglobalAttributes/Logical_source_description",
        "AlternateName": "imap_swapi_l3b_combined",
        "_AlternateName": "Source: Master/CDFglobalAttributes/Logical_source",
        "Description": "The Solar Wind and Pickup Ion (SWAPI) instrument onboard the Interstellar Mapping and Acceleration Probe (IMAP) is a top-hat electrostatic analyzer designed to measure energy-per-charge distributions of solar wind protons (H+), alpha particles (He++), and interstellar pickup ions (PUIs; combined H+ and He+) across a range of 0.1 to 20 keV/q. See https://imap.princeton.edu/spacecraft/instruments/solar-wind-and-pickup-ions-swapi for more details. ",
        "_Description": "Source: Master/CDFglobalAttributes/TEXT",
        "Acknowledgement": "Users should acknowledge the sources of data used in all publications, presentations, and reports using an appropriate DOI. Appropriate acknowledgement to institutions, personnel, and funding agencies should be given, including acknowledging the IMAP Mission Principal Investigator, Prof. David J. McComas of Princeton University (Contract #80GSFC19C0027). IMAP Rules-of-the-Road for data usage can be found in the IMAP CMAD. ",
        "_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/"
        },
        "InformationURL": [
          {
            "URL": "https://imap.princeton.edu/",
            "Name": "IMAP The Interstellar Mapping and Acceleration Probe",
            "Description": " ",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "URL": "https://link.springer.com/collections/djacjcecei",
            "Name": "IMAP Mission and Science Instruments Special Paper Collection",
            "Description": " ",
            "_Note": "URL also in all.xml. Using master."
          },
          {
            "URL": "https://spdf.gsfc.nasa.gov/pub/data/imap/documents/cmad/",
            "Name": "IMAP Calibration and Measurement Algorithms Document (CMAD)",
            "Description": " ",
            "_Note": "URL also in all.xml. Using master."
          }
        ]
      },
      "Caveats": "All IMAP data products are publicly released and citable for use in publications. Please consult the IMAP team publications and personnel for further details on production, processing, and usage of these data. ",
      "_Caveats": "Source: Master/CDFglobalAttributes/Rules_of_use",
      "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: Prof. David J. McComas at Princeton University",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "HTTPS from SPDF",
            "URL": "https://cdaweb.gsfc.nasa.gov/pub/data/imap/swapi/l3b/combined",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "imap_swapi_l3b_combined_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "IMAP_SWAPI_L3B_COMBINED"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Prof. David J. McComas at Princeton University",
          "Format": [
            "CDF"
          ],
          "Style": "Listing",
          "AccessURL": {
            "Name": "FTPS from SPDF",
            "URL": "ftps://cdaweb.gsfc.nasa.gov/pub/data/imap/swapi/l3b/combined",
            "Description": "In CDF via HTTP from CDAWeb",
            "AccessFilenameTemplate": "imap_swapi_l3b_combined_%Y%m%d_%Q.cdf",
            "AccessDirectoryTemplate": "%Y",
            "ProductKey": "IMAP_SWAPI_L3B_COMBINED"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Prof. David J. McComas at Princeton University",
          "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": "IMAP_SWAPI_L3B_COMBINED"
          }
        },
        {
          "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
          "Availability": "Online",
          "AccessRights": "Open",
          "Acknowledgement": "SPDF/CDAWeb. Please also acknowledge the data producer: Prof. David J. McComas at Princeton University",
          "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=IMAP_SWAPI_L3B_COMBINED",
            "Style": "WebService",
            "ProductKey": "IMAP_SWAPI_L3B_COMBINED",
            "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: Prof. David J. McComas at Princeton University",
          "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/IMAP_SWAPI_L3B_COMBINED/clientLibraryExample/",
            "ProductKey": "IMAP_SWAPI_L3B_COMBINED",
            "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: Prof. David J. McComas at Princeton University",
          "Format": [
            "HTML"
          ],
          "AccessURL": {
            "Name": "4D Orbit Viewer",
            "URL": "https://sscweb.gsfc.nasa.gov/4dorbit/?sc=IMAP_SWAPI_L3B_COMBINED",
            "ProductKey": "IMAP_SWAPI_L3B_COMBINED",
            "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: Prof. David J. McComas at Princeton University",
          "Format": [
            "CSV",
            "JSON",
            "Binary"
          ],
          "AccessURL": {
            "Name": "CDAWeb HAPI Server",
            "URL": "https://hapi-server.org/servers/#server=CDAWeb&dataset=IMAP_SWAPI_L3B_COMBINED",
            "Style": "HAPI",
            "ProductKey": "IMAP_SWAPI_L3B_COMBINED",
            "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: Prof. David J. McComas at Princeton University",
          "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=IMAP_SWAPI_L3B_COMBINED&return=script",
            "Style": "HAPI",
            "ProductKey": "IMAP_SWAPI_L3B_COMBINED",
            "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: Prof. David J. McComas at Princeton University",
          "Format": [
            "PNG",
            "PDF",
            "SVG"
          ],
          "AccessURL": {
            "Name": "HAPI visualizations",
            "URL": "https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=IMAP_SWAPI_L3B_COMBINED&format=gallery",
            "Style": "x_Visualization",
            "ProductKey": "IMAP_SWAPI_L3B_COMBINED",
            "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": "2025-11-08T16:48:33Z",
          "StopDate": "2026-04-30T23:54:55Z"
        },
        "_TemporalDescription": "Generated from all.xml/@timerange_start and all.xml/@timerange_stop",
        "Cadence": "PT9M59.999S",
        "_Cadence": "Counts based on variable 'epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/imap/swapi/l3b/combined/2026/imap_swapi_l3b_combined_20260428_v001.0004.cdf. The most common cadence, 599999000000 [ns] = PT9M59.999S, occurred for 52.4476% of the 75 timesteps."
      },
      "Keyword": [
        "Interstellar Mapping and Acceleration Probe (from all.xml/observatory/description/@short)",
        "The Solar Wind and Pickup Ion (from all.xml/instrument/description/@short)",
        "Solar Physics (from Master/CDFglobalAttributes/Discipline)",
        "Heliospheric Physics (from Master/CDFglobalAttributes/Discipline)",
        "IMAP (from Master/CDFglobalAttributes/Source_name)",
        "Interstellar Mapping and Acceleration Probe (from Master/CDFglobalAttributes/Source_name)",
        "L3B_COMBINED (from Master/CDFglobalAttributes/Data_type)",
        "Level-3 Science data (from Master/CDFglobalAttributes/Data_type)",
        "SWAPI (from all.xml/instrument/@ID)"
      ],
      "ObservedRegion": null,
      "_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": "Epoch",
          "ParameterKey": "epoch",
          "Description": "CATDESC: 'Time, number of nanoseconds since J2000 with leap seconds included'. 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": "Epoch Delta",
          "ParameterKey": "epoch_delta",
          "Description": "Master CDF CATDESC: 'Epoch delta'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "ns",
          "FillValue": -9223372036854775808
        },
        {
          "Name": "Combined Solar Wind Energy",
          "ParameterKey": "combined_energy",
          "Description": "Master CDF CATDESC: 'Combined solar wind energy'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "eV/q",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              62
            ]
          }
        },
        {
          "Name": "Combined Solar Wind Energy Uncertainty Minus",
          "ParameterKey": "combined_energy_stat_uncert_minus",
          "Description": "Master CDF CATDESC: 'Combined solar wind energy uncertainty minus'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "eV/q",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              62
            ]
          }
        },
        {
          "Name": "Combined Solar Wind Energy Uncertainty Plus",
          "ParameterKey": "combined_energy_stat_uncert_plus",
          "Description": "Master CDF CATDESC: 'Combined solar wind energy uncertainty plus'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "eV/q",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              62
            ]
          }
        },
        {
          "Name": "Combined Differential Flux",
          "ParameterKey": "combined_differential_flux",
          "Description": "Master CDF CATDESC: 'Combined differential flux'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "cm^-2 s^-1 sr^-1 (eV/q)^-1",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              62
            ]
          }
        },
        {
          "Name": "Combined Differential Flux Uncertainty",
          "ParameterKey": "combined_differential_flux_stat_uncert",
          "Description": "Master CDF CATDESC: 'Combined differential flux uncertainty'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is epoch.'",
          "Units": "cm^-2 s^-1 sr^-1 (eV/q)^-1",
          "FillValue": -1e+31,
          "Structure": {
            "Size": [
              62
            ]
          }
        }
      ]
    }
  }
}