GPS Total Electron Content (TEC) 1-hr data

This date set contains total electron content (TEC) and global ionospheric maps estimated every hour by the International GNSS Service (IGS) Analysis Centre. IGS uses the averages of 4 methods, including CODE (U Bern Switzerland), ESA (ESOC Darmstadt Germany), JPL (Jet Propulsion Lab. in Pasadena USA), and UPC (U Politec. Catalonia Barcelona Spain). The data set contains rapid TEC global maps and movies of TEC (10^16 m-2) in cylindrical projection; rapid RMS maps and errors of TEC in cylindrical projection; and rapid TEC maps and movies in polar projection. Continuous coverage is not guaranteed.

Data and Resources

Additional Info

Field Value
Maintainer NASA Space Physics Data Facility
Last Updated September 14, 2026, 23:11 (UTC)
Created August 10, 2026, 18:55 (UTC)
accessLevel public
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harvest_source_id b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title Science Discovery Engine
identifier /SDE/SPASE_JSON/|spase://NASA/NumericalData/IGS/GPS_Receiver/TEC/PT60M
license https://www.usa.gov/government-works
modified 2026-09-07T22:16:00Z
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publisher SPDF
resource-type Dataset
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theme {Heliophysics}