<_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. 2.6.1 <_MasterURL>https://cdaweb.gsfc.nasa.gov/pub/software/cdawlib/0JSONS/icon_l2-6_euv_00000000_v01.json (from all.xml) spase://NASA/NumericalData/ICON/EUV/L2/PT1S <_ResourceID>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json ICON EUV derived ionospheric data products <_ResourceName>Source: Master/CDFglobalAttributes/Logical_source_description ICON explores the boundary between Earth and space (the ionosphere) to understand the physical connection between our world and the immediate space environment around us. Visit https://icon.ssl.berkeley.edu for more details. <_Description>Source: Master/CDFglobalAttributes/TEXT <_Acknowledgement>Source: Master/CDFglobalAttributes/Acknowledgement <_Rights> SPDX Creative Commons Zero v1.0 Universal https://spdx.org/licenses/CC0-1.0.html https://spdx.org/licenses/ https://icon.ssl.berkeley.edu/Data/ ICON EUV Level 2 Data ICON EUV Retrieved Dayside Ionosphere Products <_Note>URL also in all.xml. Using master. Additional information on ICON https://icon.ssl.berkeley.edu/ ICON spacecraft Homepage. <_Note>Source: InformationURL.json Design and Performance of the ICON EUV Spectrograph https://doi.org/10.1007/s11214-017-0384-2 Space Science Reviews, 212(1-2), pp.631-643. DOI: 10.1007/s11214-017-0384-2 <_Note>Source: InformationURL.json ICON EUV Daytime Ionosphere Products L2.6 https://doi.org/10.48322/hwg4-hw39 <_DOI>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/DOI.json <_AccessInformation>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/AccessInformation.json 2019-11-12T23:59:58Z 2022-11-25T14:46:07Z <_TemporalDescription>Generated from all.xml/@timerange_start and all.xml/@timerange_stop <_ObservedRegion>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ObservedRegion.json <_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 spase://SMWG/Instrument/ICON/EUV ImageIntensity spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: T. J. Immel at UC Berkeley>SSL HTTPS from SPDF https://cdaweb.gsfc.nasa.gov/pub/data/icon/l2/l2-6_euv In CDF via HTTP from CDAWeb icon_l2-6_euv_%Y%m%d_v01r000.nc %Y ICON_L2-6_EUV CDF spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: T. J. Immel at UC Berkeley>SSL FTPS from SPDF ftps://cdaweb.gsfc.nasa.gov/pub/data/icon/l2/l2-6_euv In CDF via HTTP from CDAWeb icon_l2-6_euv_%Y%m%d_v01r000.nc %Y ICON_L2-6_EUV CDF spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: T. J. Immel at UC Berkeley>SSL CDAWeb Web Service https://cdaweb.gsfc.nasa.gov/WebServices/ 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. ICON_L2-6_EUV CDF CSV GIF NetCDF PNG PS PDF XML x_Script.IDL x_Script.Python Text.ASCII x_WAV spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: T. J. Immel at UC Berkeley>SSL CDAWeb Web Service user interface https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?index=sp_phys&dataset=ICON_L2-6_EUV ICON_L2-6_EUV Web service user interface for this product. CDF GIF PDF Text.ASCII x_WAV spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: T. J. Immel at UC Berkeley>SSL CDAWeb Python Script https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/ICON_L2-6_EUV/clientLibraryExample/ ICON_L2-6_EUV Web service that generates a Python script to access this product. x_Script.IDL x_Script.Python spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/SSCWeb. Please also acknowledge the data producer: T. J. Immel at UC Berkeley>SSL 4D Orbit Viewer https://sscweb.gsfc.nasa.gov/4dorbit/?sc=ICON_L2-6_EUV ICON_L2-6_EUV Web Service to this product. HTML spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: T. J. Immel at UC Berkeley>SSL CDAWeb HAPI Server https://hapi-server.org/servers/#server=CDAWeb&dataset=ICON_L2-6_EUV ICON_L2-6_EUV Web Service to this product using the HAPI interface. CSV JSON Binary spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: T. J. Immel at UC Berkeley>SSL CDAWeb HAPI Script in Multiple Languages https://hapi-server.org/servers/#server=CDAWeb&dataset=ICON_L2-6_EUV&return=script ICON_L2-6_EUV 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. x_Script.IDL x_Script.Javascript x_Script.MATLAB x_Script.Python x_Script.Autoplot x_Script.curl x_Script.wget spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: T. J. Immel at UC Berkeley>SSL HAPI visualizations https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=ICON_L2-6_EUV&format=gallery ICON_L2-6_EUV Web Service that generates plots. See https://hapi-server.org/plot/ for the API. PNG PDF SVG Ionospheric Connection Explorer (from all.xml/observatory/description/@short) Extreme Ultraviolet Imager (from all.xml/instrument/description/@short) Space Physics (from Master/CDFglobalAttributes/Discipline) Ionospheric Science (from Master/CDFglobalAttributes/Discipline) ICON (from Master/CDFglobalAttributes/Source_name) Ionospheric Connection Explorer (from Master/CDFglobalAttributes/Source_name) DP26 (from Master/CDFglobalAttributes/Data_type) Data Product 2.6: EUV Daytime Ionosphere (from Master/CDFglobalAttributes/Data_type) EUV (from all.xml/instrument/@ID) Earth.NearSurface.Atmosphere Earth.NearSurface.Ionosphere time_epoch Epoch_cdf CATDESC: 'time_inboard'. 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.' seconds since 1970-01-01 00:00:00 Scalar Temporal Retrieval_altitude ICON_L26_Altitude Master CDF CATDESC: 'Retrieval_altitude'. Master CDF VAR_NOTES: 'Altitude corresponding to the retrieved quantities, in WGS84'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' km -999.0 72 Ap values used ICON_L26_Ap Master CDF CATDESC: 'Ap values used'. Master CDF VAR_NOTES: 'Value of the daily Ap index used in the retrieval.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' Index -999.0 Re_Retrieval ICON_L26_Earth_Radius Master CDF CATDESC: 'Local Earth Radius at Retrieval'. Master CDF VAR_NOTES: 'Local Earth radius at retrieval location, from WGS'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' km -999.0 F10.7 values used ICON_L26_F107 Master CDF CATDESC: 'F107 values used'. Master CDF VAR_NOTES: 'The daily F10.7 values used in the retrieval, in solar flux units. The data are obtained directly from The Solar Radio Monitoring Program through Natural Resources Canada (https://www.spaceweather.gc.ca/solarflux/sx-en.php).'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' sfu -999.0 F10.7a values used ICON_L26_F107a Master CDF CATDESC: 'F10.7a values used'. Master CDF VAR_NOTES: 'Custom F10.7a value used in the retrieval, in solar flux units. This value is constructed at the ICON Science Data Center and is meant to provide a timely approximation to the 81-day F10.7a average used in atmospheric models, but is centered on a date 33 days prior to the ICON measurement, specifically encompassing F10.7 data from 73 days prior to 7 days after the measurement.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' sfu -999.0 Retrieval Flag ICON_L26_Flag Master CDF CATDESC: 'Retrieval Quality Flag'. Master CDF VAR_NOTES: 'Quality flag associated with the L2 retrieval and/or L1 data. 0 = No issues reported, 1 = Moderate issue(s) identified, use results with caution, 2 = Severe issue(s) identified, recommend not using data product for this profile. See the ICON_L26_Flag_Details variable for additional information for the reported causes on any non-zero values'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' 0=good Q, 2=bad -999 Retrieval Flag Details ICON_L26_Flag_Details Master CDF CATDESC: 'Retrieval Flag Detailed Information'. Master CDF VAR_NOTES: 'Provides additional detail on issues in the retrieval that resulted in a data quality flag of seriousness level 1 (moderate) or 2 (severe), as contained in the ICON_L26_Flag variable.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' string HmF2 ICON_L26_HmF2 Master CDF CATDESC: 'Height of F2 Layer from Retrieval'. Master CDF VAR_NOTES: 'Height of the peak electron density of the F2 layer from retrieval, in WGS. The relationship between retrieved O+ and electron densities is inferred using IRI2007.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' km -999.0 Geodetic Latitude ICON_L26_Latitude Master CDF CATDESC: 'Geodetic Latitude at Retrieval'. Master CDF VAR_NOTES: 'Geodetic latitude at retrieval location, referenced at 300 km altitude, in WGS'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' degrees -999.0 Local Solar Time ICON_L26_Local_Solar_Time Master CDF CATDESC: 'Local Solar Time at Retrieval'. Master CDF VAR_NOTES: 'Local solar time at retrieval location'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' hours -999.0 Geodetic Longitude ICON_L26_Longitude Master CDF CATDESC: 'Geodetic Longitude at Retrieval'. Master CDF VAR_NOTES: 'Geodetic longitude at retrieval location, referenced at 300 km altitude, in WGS'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' degrees -999.0 Magnetic Latitude ICON_L26_Magnetic_Latitude Master CDF CATDESC: 'Magnetic Latitude at Retrieval'. Master CDF VAR_NOTES: 'Quasi-dipole magnetic latitude at retrieval location, referenced at 300 km, calculated using the fast implementation developed by Emmert et al. (2010, doi:10.1029/2010JA015326) and the Python wrapper apexpy (https://github.com/aburrell/apexpy/).'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' degrees -999.0 Magnetic Longitude ICON_L26_Magnetic_Longitude Master CDF CATDESC: 'Magnetic Longitude'. Master CDF VAR_NOTES: 'Quasi-dipole magnetic longitude at retrieval location, referenced at 300 km, calculated using the fast implementation developed by Emmert et al. (2010, doi:10.1029/2010JA015326) and the Python wrapper apexpy (https://github.com/aburrell/apexpy/).'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' degrees -999.0 NmF2 ICON_L26_NmF2 Master CDF CATDESC: 'Density of F2 Layer from Retrieval'. Master CDF VAR_NOTES: 'Electron density at the peak of the F2 layer from retrieval. The relationship between retrieved O+ and electron densities is inferred using IRI2007.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' cm-3 -999.0 WGS84 Altitude of s/c Position (Geodetic) ICON_L26_Observatory_Altitude Master CDF CATDESC: 'WGS84 Altitude of Spacecraft Position (Geodetic)'. Master CDF VAR_NOTES: 'Altitude of the spacecraft at the time of data collection, in WGS84'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' km -999.9 Earth Centered Earth Fixed s/c Position ICON_L26_Observatory_ECEF Master CDF CATDESC: 'Earth Centered Earth Fixed s/c Position'. Master CDF VAR_NOTES: 'Location of the spacecraft in ECEF coordinates at the time of data collection. Dimension corresponding to the X, Y, Z components of Cartesian vector.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' km 0.0 3 WGS84 Latitude of s/c Position (Geodetic) ICON_L26_Observatory_Latitude Master CDF CATDESC: 'WGS84 Latitude of Spacecraft Position (Geodetic)'. Master CDF VAR_NOTES: 'Geographic latitude of the spacecraft at the time of data collection, in WGS84'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' degrees North -999.9 WGS84 Longitude of s/c Position (Geodetic) ICON_L26_Observatory_Longitude Master CDF CATDESC: 'WGS84 Longitude of Spacecraft Position (Geodetic)'. Master CDF VAR_NOTES: 'Geographic longitude of the spacecraft at the time of data collection, in WGS84'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' degrees East -999.9 O+ Profile ICON_L26_Oplus Master CDF CATDESC: 'Retrieved O+ Density Profile - stacked time_series'. Master CDF VAR_NOTES: 'Number density of O+ as a function of altitude from the retrieval'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' cm-3 -999.0 72 O+ Profile ICON_L26_Oplus_t Master CDF CATDESC: '---> (same as above, but individual time_series)'. Master CDF VAR_NOTES: 'Number density of O+ as a function of altitude from the retrieval'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' cm-3 -999.0 72 Orbit Number ICON_L26_Orbit_Number Master CDF CATDESC: 'Orbit Number'. Master CDF VAR_NOTES: 'Integer orbit number of the ICON spacecraft, incremented throughout the mission'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' integer -999 Sigma HmF2 ICON_L26_Sigma_HmF2 Master CDF CATDESC: '1-Sigma in Height of F2 Layer from Retrieval'. Master CDF VAR_NOTES: '1-sigma uncertainty in height of the F2 layer peak from retrieval, as determined from the reported statistical uncertainties of the measurements'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' km -999.0 Sigma NmF2 ICON_L26_Sigma_NmF2 Master CDF CATDESC: '1-Sigma in Density of F2 Layer from Retrieval'. Master CDF VAR_NOTES: '1-sigma uncertainty in electron density at the peak of the F2 layer from retrieval as determined from the reported statistical uncertainties of the measurements'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' cm-3 -999.0 Sigma O+ Profile ICON_L26_Sigma_Oplus Master CDF CATDESC: '1-Sigma in O+ Density Profile from Retrieval - stacked time_series'. Master CDF VAR_NOTES: '1-sigma uncertainty in the number density of O+ as a function of altitude from the retrieval as determined from the reported statistical uncertainties of the measurements'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' cm-3 -999.0 72 Sigma O+ Profile ICON_L26_Sigma_Oplus_t Master CDF CATDESC: '---> same as above (but individual time_series) Retrieval'. Master CDF VAR_NOTES: '1-sigma uncertainty in the number density of O+ as a function of altitude from the retrieval as determined from the reported statistical uncertainties of the measurements'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' cm-3 -999.0 72 Solar Zenith Angle ICON_L26_Solar_Zenith_Angle Master CDF CATDESC: 'Solar Zenith Angle at Retrieval Location'. Master CDF VAR_NOTES: 'Solar zenith angle at retrieval location.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' degrees -999.0 Time UTC ICON_L26_UTC_Time Master CDF CATDESC: 'Date and Time in UTC format'. Master CDF VAR_NOTES: 'UTC time corresponding to the measurement used in the retrieval'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' string UT Seconds ICON_L26_UT_Seconds Master CDF CATDESC: 'UT Seconds'. Master CDF VAR_NOTES: 'UTC time in seconds since midnight corresponding to the time of the measurement used in the retrieval'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' seconds -999.0 iYearDay ICON_L26_Year_DOY Master CDF CATDESC: 'Integer of Year & DOY'. Master CDF VAR_NOTES: 'Year and Day of Year corresponding to the retrieval, in the format of YYYYDOY'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_cdf.' day -999