@unpublished{TUW-295986, author = {Wolf, Helene and B{\"o}hm, Johannes and Schartner, Matthias and Hugentobler, Urs}, title = {Visibility study of Galileo satellites from a VLBI network}, year = {2021}, note = {talk: European Geosciences Union, General Assembly 2021 (vEGU 2021), online; 2021-04-19 -- 2021-04-30} }