Author: Rudi Stoeger Ladies and Gentlemen My colleague Uwe Hessels upgraded the firmware from 7.80/3.019 to 8.10/3.019 in the LEICA GRX1200GGPRO in the WTZR GPS+GLONASS Permanent Tracking Station here in the Geodetical Observatory Wettzell, Germany, 2011-03-10T09:30Z. With best regards Rudi