Wettzell Geodetic Observatory

Wettzell is a German geodetic observatory operated by the Federal Agency for Cartography and Geodesy with the Technical University of Munich's satellite-geodesy group. It colocates radio interferometry, satellite laser ranging and other geodetic techniques for reference-frame and Earth-orientation work. This record represents the observatory site, including its colocated laser systems, rather than separate records for each telescope. The mapped reference position is the ILRS SOSW station, number 7827. Sources: [ILRS station profile](https://ilrs.gsfc.nasa.gov/network/stations/active/SOSW_station_info.html); [ILRS operational station inventory](https://ilrs.gsfc.nasa.gov/network/stations/active/index.html); [institutional site information](https://www.gfz.de/en/section/hydrology/infrastructure/geodetic-observatory-wettzell). Sources checked 17 October 2026.