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:Figures 2 & 3: The Top Ten in PNTFigures 2 & 3: Going DeepFigures 25, 26 & 27: Going DeepFigures 20, 21, 22, 23 & 24: Going Deep