EGNOS, the European Regional Augmentation to GPS and GLONASS

S. Loddo, D. Flament, J. Benedicto and P. Michel

Abstract:	The EGNOS System is being developed in Europe to provide GPS and GLONASS regional augmentation services to aviation, maritime and land users. EGNOS is a major element of the European Satellite Navigation Programme which is jointly being implemented by the Commission of the European Union (CEU), the European Space Agency (ESA) and EUROCONTROL. EGNOS will provide the following services: GEO-based GPS-like Ranging signals (R-GEO) to improve the availability and continuity of GPS position fix and RAIM over the Geostationary Broadcast Area (GBA), GNSS Integrity Channel (GIC) to improve the integrity of GPS and GLONASS-based navigation and position determination for safety critical applications, and Wide- Area Differential corrections (WAD) to improve accuracy of GPS-SPS and GLONASS. Finally, EGNOS will also disseminate accurate time to all users in the GBA, synchronised to UTC. The EGNOS System is being designed to serve the needs of all modes of transport in the European Region, namely Civil Aviation as sole means of navigation for all phases of flight up to and including Category I landing, maritime and in-land water navigation and docking, and rail and road transport and traffic monitoring systems. The EGNOS System is also being designed to be compatible and interoperable with other augmentation systems and techniques, like Local Area Systems, adjacent Regional Augmentation systems (like WAAS, MTSAT and AAAS) and User Autonomous Augmentations.
Published in:	Proceedings of the 9th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1996) September 17 - 20, 1996 Kansas City, MO
Pages:	1143 - 1150
Cite this article:	Loddo, S., Flament, D., Benedicto, J., Michel, P., "EGNOS, the European Regional Augmentation to GPS and GLONASS," Proceedings of the 9th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1996), Kansas City, MO, September 1996, pp. 1143-1150.
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