@unpublished{TUW-284796, author = {Glaner, Marcus Franz and Boisits, Janina and Weber, Robert}, title = {Verwendung regionaler Ionosph{\"a}renmodelle bei Precise Point Positioning}, year = {2019}, note = {talk: AHORN 2019, Bernau am Chiemsee, Germany; 2019-12-11 -- 2019-12-12} }