GTRF – Galileo terrestrial reference frame
GTRF is the Galileo terrestrial reference frame. It defines the coordinate system used for Galileo orbit data. It ensures consistency in positioning calculations.
IAG as part of the IUGG
IAG Related Organisations
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.