Advances in Geosciences
Advances in Geosciences
ADGEO
Articles | Volume 45
Articles | Volume 45
https://doi.org/10.5194/adgeo-45-363-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/adgeo-45-363-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 45
23 Nov 2018
 | 23 Nov 2018

Tropospheric delay performance for GNSS integrated water vapor estimation by using GPT2w model, ECMWF's IFS operational model and in situ meteorological data

Christina Oikonomou, Filippos Tymvios, Christos Pikridas, Stylianos Bitharis, Kyriakos Balidakis, Silas Michaelides, Haris Haralambous, and Demetris Charalambous

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Latest update: 26 Oct 2025
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Short summary
Tropospheric delay comprises one of the most important error sources in satellite navigation and is caused when radio signals broadcasted by GPS satellites propagate into the atmosphere. This study aims to evaluate the tropospheric delay performance for GNSS integrated water vapor (IWV) estimation by using GPT2w model, ECMWF's IFS reanalysis model and ground meteorological data from two stations of the permanent network of Cyprus and Greece.
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