28/09/2009 (Agence Europe) - The navigation signal for the European Geostationary Navigation Overlay Service (EGNOS) is due to become freely operational on Thursday 1 October. Activation of the service, for which access is open and free of charge, will allow coverage of GPS signals (self-positioning system by satellite developed by the US) and increase precision up to two metres as opposed to the 17 metres currently provided by GPS. The signal will only be available for GPS receptors that...