Welcome to the Global Geodetic Observing System (GGOS) of the International Association of Geodesy (IAG). Here you can learn more about what is GGOS, why it was established, the dual roles of GGOS, the vision and mission of GGOS, the history of GGOS and the organizational structure of GGOS.
IAG collaborates closely with numerous organizations within geodesy and beyond. See the list for details.
This website is provided by the IAG Secretariat and the GGOS Coordinating Office, which are hosted by the BEV – Federal Office of Metrology and Surveying (Bundesamt für Eich- und Vermessungswesen) in Vienna, Austria.