@unpublished{TUW-199730, author = {B{\"o}hm, Johannes and Urquhart, Landon and Steigenberger, Peter and Schuh, Harald and Santos, Marcelo}, title = {Troposphere delay modeling based on numerical weather models}, year = {2011}, note = {invited; talk: 3rd International Colloquium - Scientific and Fundamental Aspects of the Galileo Programme, Kopenhagen; 2011-08-31 -- 2011-09-02} }