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 CONZ GPS+GLONASS Permanent Tracking Station in our Transportable Integrated Geodetical Observatory TIGO in Concepcion, Chile, 2011-04-07T12:45Z. With best regards Rudi