@unpublished{TUW-180199, author = {Karabatic, Ana and Weber, Robert}, title = {1. Poster Use of PPP to derive troposphere zenith wet delays of GNSS signals to support weather forecast models}, year = {2009}, note = {poster presentation: 10. {\"O}sterreichischer Geod{\"a}tentag, Schladming; 2009-10-06 -- 2009-10-08} }