<_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/dmsp-f18_ssm_magnetometer_00000000_v01.json (from all.xml) spase://NASA/NumericalData/DMSP_5D-3/F18/SESS/SSM-Boom/PT1S <_ResourceID>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json Defense Meteorolgy Satellite Program F18 Vector Magnetometer Measurements (850km Altitude) <_ResourceName>Source: Master/CDFglobalAttributes/Logical_source_description dmsp-f18_ssm_magnetometer <_AlternateName>Source: Master/CDFglobalAttributes/Logical_source <_Description>Source: Master/CDFglobalAttributes/TEXT Data access provided by NGDC in coordination with AFRL and CU Boulder. <_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/ http://www.ngdc.noaa.gov/stp/satellite/satdataservices.html NGDC STP Satellite Data Services NGDC Solar & Terrestrial Physics Satellite Data Services <_Note>URL also in all.xml. Using master. NGDC, STP, Satellite Data Services https://www.ngdc.noaa.gov/stp/satellite/satdataservices.html NGDC Solar and Terrestrial Physics, STP, Satellite Data Services <_Note>Source: InformationURL.json <_Caveats>Source: Master/CDFglobalAttributes/Rules_of_use https://doi.org/10.48322/cj1v-6g43 <_DOI>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/DOI.json <_AccessInformation>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/AccessInformation.json 2010-01-01T00:00:00Z 2015-01-01T23:59:59Z <_TemporalDescription>Generated from all.xml/@timerange_start and all.xml/@timerange_stop PT1S <_Cadence>Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/dmsp/dmspf18/ssm/magnetometer/2010/dmsp-f18_ssm_magnetometer_20100101_v1.0.4.cdf. The most common cadence, 1000 [ms] = PT1S, occurred for 93.4768% of the 80763 timesteps. <_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/DMSP_5D-3/F18/SESS/SSM-Boom MagneticField spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Staff at AFRL, NGDC, CU HTTPS from SPDF https://cdaweb.gsfc.nasa.gov/pub/data/dmsp/dmspf18/ssm/magnetometer In CDF via HTTP from CDAWeb dmsp-f18_ssm_magnetometer_%Y%m%d_%Q.cdf %Y DMSP-F18_SSM_MAGNETOMETER CDF spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Staff at AFRL, NGDC, CU FTPS from SPDF ftps://cdaweb.gsfc.nasa.gov/pub/data/dmsp/dmspf18/ssm/magnetometer In CDF via HTTP from CDAWeb dmsp-f18_ssm_magnetometer_%Y%m%d_%Q.cdf %Y DMSP-F18_SSM_MAGNETOMETER CDF spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Staff at AFRL, NGDC, CU 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. DMSP-F18_SSM_MAGNETOMETER 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: Staff at AFRL, NGDC, CU CDAWeb Web Service user interface https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?index=sp_phys&dataset=DMSP-F18_SSM_MAGNETOMETER DMSP-F18_SSM_MAGNETOMETER 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: Staff at AFRL, NGDC, CU CDAWeb Python Script https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/DMSP-F18_SSM_MAGNETOMETER/clientLibraryExample/ DMSP-F18_SSM_MAGNETOMETER 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: Staff at AFRL, NGDC, CU 4D Orbit Viewer https://sscweb.gsfc.nasa.gov/4dorbit/?sc=DMSP-F18_SSM_MAGNETOMETER DMSP-F18_SSM_MAGNETOMETER 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: Staff at AFRL, NGDC, CU CDAWeb HAPI Server https://hapi-server.org/servers/#server=CDAWeb&dataset=DMSP-F18_SSM_MAGNETOMETER DMSP-F18_SSM_MAGNETOMETER 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: Staff at AFRL, NGDC, CU CDAWeb HAPI Script in Multiple Languages https://hapi-server.org/servers/#server=CDAWeb&dataset=DMSP-F18_SSM_MAGNETOMETER&return=script DMSP-F18_SSM_MAGNETOMETER 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: Staff at AFRL, NGDC, CU HAPI visualizations https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=DMSP-F18_SSM_MAGNETOMETER&format=gallery DMSP-F18_SSM_MAGNETOMETER Web Service that generates plots. See https://hapi-server.org/plot/ for the API. PNG PDF SVG dmsp-f18 (from all.xml/observatory/description/@short) ssm (from all.xml/instrument/description/@short) Space Physics (from Master/CDFglobalAttributes/Discipline) Magnetospheric Science (from Master/CDFglobalAttributes/Discipline) Ionospheric Science (from Master/CDFglobalAttributes/Discipline) dmsp-f18 (from Master/CDFglobalAttributes/Source_name) magnetometer (from Master/CDFglobalAttributes/Data_type) ssm (from all.xml/instrument/@ID) Earth.Magnetosphere Earth.Magnetosphere.Polar Earth.NearSurface Earth.NearSurface.AuroralRegion Earth.NearSurface.EquatorialRegion Earth.NearSurface.Ionosphere Earth.NearSurface.PolarCap Epoch Epoch 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.' ms Scalar Temporal SC_ECI SC_ECI Master CDF CATDESC: 'Earth Centered Inertial (ECI) spacecraft location (x,y,z) in km.'. Master CDF VAR_NOTES: 'Epoch is True of Date (TOD). These ECI coordinates are calculated from an SPDF SSC Locator 1-minute ephemeris using an 8 order interpolation (Burden, R. L. and Faires, J. D., Numerical Analysis, 5th Ed., PWS Publishing Company, Boston, 1993). Using SPDF methods, expected accuracy is on the order of a few km.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' km NaN 3 SC_GEOCENTRIC_LAT SC_GEOCENTRIC_LAT Master CDF CATDESC: 'Geocentric latitude'. Master CDF VAR_NOTES: 'Calculated using IDL Astro Library function eci2geo().'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg NaN SC_GEOCENTRIC_LON SC_GEOCENTRIC_LON Master CDF CATDESC: 'Geocentric Longitude'. Master CDF VAR_NOTES: 'Calculated using IDL Astro Library function eci2geo().'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg NaN SC_GEOCENTRIC_RADIUS SC_GEOCENTRIC_R Master CDF CATDESC: 'Distance from center of Earth in km.'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' km NaN SC_AACGM_LAT SC_AACGM_LAT Master CDF CATDESC: 'Altitude Adjusted Corrected Geomagnetic Latitude'. Master CDF VAR_NOTES: 'Calculated using SuperDARN AACGM IDL library. Values are the result of linearly interpolating between 2 nearest AACGM 5-year epochs.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg NaN SC_AACGM_LON SC_AACGM_LON Master CDF CATDESC: 'Altitude Adjusted Corrected Geomagnetic Longitude'. Master CDF VAR_NOTES: 'Calculated using SuperDARN AACGM IDL library. Values are the result of linearly interpolating between 2 nearest AACGM 5-year epochs.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg NaN SC_AACGM_LTIME SC_AACGM_LTIME Master CDF CATDESC: 'Altitude Adjusted Corrected Geomagnetic Local Time'. Master CDF VAR_NOTES: 'Calculated using SuperDARN AACGM IDL library. Values are the result of linearly interpolating between 2 nearest AACGM 5-year epochs.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' hr NaN B_SC_OBS_ORIG B_SC_OBS_ORIG Master CDF CATDESC: 'Original measured field (x,y,z) in nT in spacecraft frame. '. Master CDF VAR_NOTES: 'X = Geodedic nadir (down).Y = Along Spacecraft Track (ram),.Z = Across-Track Right .NOTE: This pertrubations in this variable have been recomputed from the observed B-field.IGRF11 was run using this day as epoch and new, more accurate geocentric location was rotatedinto spacecraft coordinates and removed.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' nT NaN 3 DELTA_B_SC_ORIG DELTA_B_SC_ORIG Master CDF CATDESC: 'delta-B (Original measured B - Modeled IGRF field) (x,y,z) in nT in spacecraft frame. '. Master CDF VAR_NOTES: 'X = Geodedic nadir (down).Y = Along Spacecraft Track (ram),.Z = Across-Track Right '. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' nT NaN 3 DELTA_B_GEO DELTA_B_GEO Master CDF CATDESC: 'Baseline Corrected delta-B in nT rotated into geocentric spherical (east-north-up) coordinates.'. Master CDF VAR_NOTES: 'Finite difference between adjacent points on spacecraft track was used to determine along and across track unit vectors in GEO. No altitude change between adjacent points was assumed..Baseline correction (F. Rich's MFIT procedure) is polynomial fit every half-pass to each component of Delta-B in spacecraft coordinates using only data from region equatorward of DMSP auroral boundary from CEDAR Database.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' nT NaN 3 DELTA_B_APX DELTA_B_APX Master CDF CATDESC: 'Baseline Corrected delta-B in nT rotated into Modified Apex Coordinates with Reference Height 110 km.'. Master CDF VAR_NOTES: 'Coordinates transformed with apex-python (NCAR HAO). Reference Altitude = 110km, see Richmond, J. Geomag. Geoelec. ,1995.Baseline correction (F. Rich's MFIT procedure) is polynomial fit every half-pass to each component of Delta-B in spacecraft coordinates using only data from region equatorward of DMSP auroral boundary from CEDAR Database.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' nT NaN 3 DELTA_B_SC DELTA_B_SC Master CDF CATDESC: 'Baseline Corrected delta-B in nT in spacecraft frame.'. Master CDF VAR_NOTES: 'X = Geodedic nadir (down), Y = Along Spacecraft Track (ram), Z = Across-Track Right Baseline correction (F. Rich's MFIT procedure) is polynomial fit every half-pass to each component of Delta-B in spacecraft coordinates using only data from region equatorward of DMSP auroral boundary from CEDAR Database.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' nT NaN 3 SC_AACGM_LAT SC_APEX_LAT Master CDF CATDESC: 'Modified Apex Geomagnetic Latitude (Reference Height 110km)'. Master CDF VAR_NOTES: 'Calculated using apex-python, which is based on Apex Fortran code available from CEDAR database, uses nearest year epoch.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg NaN SC_APEX_LON SC_APEX_LON Master CDF CATDESC: 'Modified Apex Geomagnetic Longitude (Reference Height 110km)'. Master CDF VAR_NOTES: 'Calculated using apex-python, which is based on Apex Fortran code available from CEDAR database, uses nearest year epoch.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg NaN SC_APEX_MLT SC_APEX_MLT Master CDF CATDESC: 'Modified Apex Geomagnic Local Time (Reference Height 110km)'. Master CDF VAR_NOTES: 'Calculated using apex-python, which is based on Apex Fortran code available from CEDAR database, uses nearest year epoch.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' hour NaN AURORAL_REGION AURORAL_REGION Master CDF CATDESC: 'Numerical code for auroral region of spacecraft location (1=Equatorial,2=Auroral,3=Polar)'. Master CDF VAR_NOTES: '0 = No boundary identified, 1 = Equatorward of the auroral zone, 2 = In the auroral zone, 3 = Polar cap'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' (2=Auroral) NaN AURORAL_BOUNDARY_FOM AURORAL_BOUNDARY_FOM Master CDF CATDESC: 'Figure of Merit for Auroral Boundary Determination'. Master CDF VAR_NOTES: 'Typical range 0-4. Less than 2 is suspect..See DMSP CDF user manual for full specification of FOM computation.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' (OK>=2) NaN ORBIT_INDEX ORBIT_INDEX Master CDF CATDESC: 'Integer representing the orbit of the day, signed by hemisphere (>0 Northern, <0 Southern).'. Master CDF VAR_NOTES: 'Orbit start and end determined by crossings of the Apex magnetic equator. Zero for before first equator crossing of the day.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' N/A NaN SC_ALONG_GEO SC_ALONG_GEO Master CDF CATDESC: 'Unit vector in the direction of spacecraft velocity (ram) in geocentric coordintes'. Master CDF VAR_NOTES: 'This is an estimate, based on a spherical trigonometry approach using a great-circle arc between adjacent points (see user manual).'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' N/A NaN 3 SC_ACROSS_GEO SC_ACROSS_GEO Master CDF CATDESC: 'Unit vector across the spacecraft track to the left ( orthogonal to the direction of spacecraft velocity (ram) ) in geocentric coordintes.'. Master CDF VAR_NOTES: 'This is an estimate, based on a spherical trigonometry approach using a great-circle arc between adjacent points (see user manual).'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' N/A NaN 3