Permanent Object Monitoring with GPS with 1 Millimeter Accuracy

Gesellschaft fur satellitengestutzte geodatische und navigatorische Technologien mbHD−30827 Garbsen, GermanyPeter AndreeAGC Ingenieurburo fur Spezialapplikationen in Hydrographie und IngenieurgeodasieD−21073 Hamburg, GermanyBIOGRAPHYDr. Gerhard Wubbena received his degrees in Geodesyfrom the Universitat Hannover. He has worked in thefield of GPS since 1983. In 1990 he founded thecompany Geo++