6441 20230420091140.0 CTALK-2023-0096 Pottiaux, Eric Recent GNSS-Meteorology Activities at ROB 2022 2022-03-10 STCE GNSS Troposphere E-GVAP Water Vapour E-GVAP Annual Symposium 2022, Online, Online eric.pottiaux@observatoire.be Contributed CTALKCONT