The European Geostationary Navigation Overlay Service (EGNOS) is a satellite based augmentation system (SBAS) developed by the European Space Agency and EUROCONTROL on behalf of the European Commission.
European Geostationary Navigation Overlay Service (EGNOS) adalah sistem satelit pembesaran berdasarkan (SBAS) yang dikembangkan oleh European Space Agency, Komisi Eropa dan Eurocontrol.