@unpublished{TUW-120606, author = {Opitz, Michael and Weber, Robert and Caissey, and Br{\"o}derbauer, Veronika}, title = {Real Time GPS-Satellite Clock Estimation - Development of a RTIGS Web Service}, year = {2006}, note = {poster presentation: AGU Fall Meeting San Francisco, San Francisco; 2006-12-11 -- 2006-12-15} }