Current GPS Ephemeris Data (Trimble)

Free software for planning of GPS Missions (Trimble) (for Ephemeris Data)

German SAPOS Netwerk (SATellite POSitioning Service of the German Land Surveying)

Technology Award of the State of Mecklenburg Vorpommern (Award GTA II Telepointer)

University Stuttgart - Institute for Photogrammetry (GPS/INS integration for direct georeferencing)

Virtual Cities Directory Project