4627 20200127111526.0 CTALK-2020-0056 Pinat, Elisa Measuring snow seasonal variations in Antarctica with GPS 2019 2019-05-22 NO Bergeot, Nicolas Defraigne, Pascale Chevalier, Jean-Marie Belgian Physical Society Meeting 2019, Brussels, Belgium elisa.pinat@observatoire.be Contributed CTALKCONT