(Total Electron Content Data of American-Wide GPS Network)

The TEC-DAWN data are just for browsing purpose and are not fully calibrated. Please contact the Principal Investigator, Takuya Tsugawa (), before using these data for any publications and/or presentations.

TEC-DAWN maps cover a wide region of 60-130 deg W and 24-54 deg N (30-65 deg N in geomagnetic latitude), and have a spatial resolution of 1.05x1.05 deg in latitude and longitude (0.15x0.15 deg with 7x7 pixel smoothing) and a temporal resolution of 30 seconds.

Detrended TEC Maps: Quicklook  KML
(detrending with 1-hour running average)

Absolute TEC Maps: Quicklook
(using the method of Otsuka et al., EPS, 2002)

Multiple GPS Networks


Related Links

For questions and comments, please contact:
Takuya Tsugawa []