Dual-frequency
Dual-frequency GNSS receivers use signals from two different frequencies to improve accuracy. This allows correction of ionospheric delays affecting signal propagation. It is a standard feature in modern high-precision receivers.
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.