European GNSS Supervisory Authority Launches EGNOS Portal
A DGAC ATR42 test aircraft lands at Limoges airport during EGNOS trials. (ESA photo)The European GNSS Supervisory Authority (GSA), on behalf of the European Commission, has launched an Internet portal for the European Geostationary Navigation Overlay Service (EGNOS) designed to help developers and entrepreneurs vying for a slice of the emerging satellite navigation market.
The European counterpart to the U.S. GPS Wide Area Augmentation System (WAAS), EGNOS is a satellite-based augmentation system that provides real-time differential corrections and integrity information about GPS operations.

