@unpublished{TUW-290476, author = {Weber, Robert and Adavi, Zohreh and Glaner, Marcus Franz}, title = {Assessment of single-frequency observations in GNSS Tropospheric Tomography}, year = {2020}, note = {poster presentation: European Geosciences Union, General Assembly 2020 (EGU 2020), Online; 2020-05-04 -- 2020-05-08} }