Figures 1, 2, 3 & 4: IGS-MGEX January 20, 2014 By Inside GNSS Facebook Twitter Linkedin Return to main article: "IGS-MGEX" Return to main article: "IGS-MGEX" Related Posts:IGS-MGEXFigures 7, 8 & 9: Going DeepFigures 2 & 3: The Top Ten in PNTTables 1 & 2: IGS-MGEX