7011 20240805125128.0 CTALK-2024-0127 Van Malderen, Roeland Long-term Global Navigation Satellite System (GNSS) retrievals of total column water vapour 2024 2024-02-02 STCE Pottiaux, Eric Climate Workshop on Observations for Climate Model Validation eric.pottiaux@ksb-orb.be Contributed CTALKCONT