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TAG: total electron content

Image: NOAA

PlanetiQ wins largest-ever NOAA contract to provide GNSS-RO weather data

September 19, 2025

Preview graphic. (Image: NOAA)

NOAA, Los Alamos release new data on ionosphere for PNT

October 12, 2021

The ionospheric disturbance caused by an explosion can be detected by differential ionospheric delays of microwave signals of two carrier frequencies from global navigation satellite system (GNSS) satellites. (Image: Bhaskar Kundu, et al. Scientific Reports. Feb. 2, 2021).

GNSS data show Lebanon blast affected ionosphere

March 22, 2021