Rodrigo Leandro is a Ph.D. candidate in the Department of Geodesy and Geomatics Engineering, University of New Brunswick (UNB), Canada, where he has been a student since 2004. Mr. Leandro is also a GNSS research and development engineer at Trimble Terrasat, Germany. He holds an M.Sc.Eng. in civil engineering from the University of São Paulo, in São Paulo, Brazil, and has been involved in resear...