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EGNOS V3 passes System Critical Design Review

December 20, 2022  - By

Image: Airbus

On Dec. 7, the European Geostationary Navigation Overlay Service (EGNOS) V3, a satellite-based navigation augmentation system designed by Airbus, passed the System Critical Design Review (CDR). EGNOS V3 supports safety-critical aircraft applications and will soon provide services to maritime and land users.

New services provided by EGNOS V3 are based on multiple frequencies from GPS and Galileo constellations and will provide protection against cyberattacks. As it successfully passed CDR, this multi-constellation and multi-frequency satellite-based navigation augmentation system is a step forward in improving EGNOS accuracy, robustness, and overall coverage in Europe.

EGNOS V3 relies on three operation centers and 44 monitoring stations across Europe. It monitors the signals from satellite navigation systems and generates augmentation messages broadcast to all users using transponders and geostationary satellites. Airbus is currently designing more Galileo satellites, which will further improve EGNOS accuracy and robustness and the resilience of its signal.

EGNOS is a component of the European Union Space Program and is managed in partnership with the European Commission’s Directorate-General for Defense, Industry and Space, the European Union Agency for the Space Programme (EUSPA) and the European Space Agency (ESA).

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About the Author: Maddie Saines

Maddie was a managing editor at GPS World.