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Mesospheric and Thermospheric / Ionospheric Chemistry

Physical PropertiesData CenterSelected Data Sets and Data Collections
Complete data set listings available through each individual data center.
Mesospheric and
Thermospheric
/ Ionospheric
Chemistry		CDDIS
http://cddis.gsfc.nasa.gov
  • Daily global ionosphere maps of vertical total electron content (VTEC) derived from GNSS and DORIS ground observations. Daily (1 and 2 day) predicted global ionosphere maps of vertical total electron content (VTEC) derived from GNSS ground observations