Regional Warning Center Brazil (EMBRACE)

Total Electron Content Products


South America Total Electron Content


   Product Description:

       This ionospheric product provides a measurement of the ionospheric total electron content (TEC) over South America. It is designed to estimate the signal delay for single and dual frequency GNSS applications. The map over South America displays TEC in color shade. The movie shows temporal variation of TEC from 00:00 UT to 24:00 UT of the previous day with the time interval of 10 minutes.


   Target Users:

       Key product users include industries relying on high-accuracy GNSS positioning: agriculture, surveying, construction, drilling, and scientific users.

Link to Map of South America Total Electron Content

Cadence: 10 minutes

Data Source : Ground-based GPS receivers