EGNOS − The European Geostationary Navigation Overlay System − A Cornerstone of Galileo
(ESA SP-1303)

The European Geostationary Navigation Overlay System (EGNOS) is the first-generation European Global Navigation Satellite System (GNSS) designed to serve the needs of maritime, land transport, time and aeronautical applications in the European and neighbouring regions.

It is a first step towards Galileo, the second generation, based upon an independent European navigation-satellite constellation. EGNOS will be interoperable with equivalent US and Japanese Satellite-Based Augmentation System (SBAS) systems, in addition to other emerging initiatives - such as India’s GAGAN and China’s SNAS systems - aiming at contributing to a truly global navigation system.

This technical book presents a complete overview of the EGNOS mission, system and architecture. It is written for those GNSS engineering professionals, applications developers, satellite-navigation users and university students wishing to have a complete picture of the EGNOS and SBAS technologies, principles and related applications.

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