Articles | Volume 15, issue 1
Atmos. Meas. Tech., 15, 21–39, 2022
https://doi.org/10.5194/amt-15-21-2022
Atmos. Meas. Tech., 15, 21–39, 2022
https://doi.org/10.5194/amt-15-21-2022
Research article
03 Jan 2022
Research article | 03 Jan 2022

Towards operational multi-GNSS tropospheric products at GFZ Potsdam

Karina Wilgan et al.

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Short summary
The assimilation of GNSS data in weather models has a positive impact on the forecasts. The impact is still limited due to using only the GPS zenith direction parameters. We calculate and validate more advanced tropospheric products from three satellite systems: the US American GPS, Russian GLONASS and European Galileo. The quality of all the solutions is comparable; however, combining more GNSS systems enhances the observations' geometry and improves the quality of the weather forecasts.