%0 Journal Article %T Comparison of estimation methods for tropospheric errors in gps rapid static method %A HASTAOÄžLU, K.Ã. %A ÅžANLI, D.U. %A POYRAZ, F. %A AYAZLI, Ä.E. %J Sigma Journal of Engineering and Natural Sciences %D 2009 %V 27 %P 264-274 %R