Enhancing GPS Accuracy
European Geostationary Navigation Overlay Service (EGNOS) – better than 2 meter accuracy
Wide Area Augmentation System (WAAS) – 1.0 metre laterally and 1.5 metres vertically
Multi-functional Satellite Augmentation System (MSAS) – Japan – 1.5-2 metres horizontally and laterally
GPS Correction – 1.5-2 meters
Local Area Augmentation System – 0.5 meter accuracy when later phases deployed
Europe’s Galileo (2013) – a few centimeter accuracy
The European Geostationary Navigation Overlay Service (EGNOS) is a satellite based augmentation system (SBAS) under development by the European Space Agency, the European Commission and EUROCONTROL. The official start of operations was announced by the European Commission on 1 October 2009. The system is showing outstanding performances in terms of accuracy (better than two metres) and availability (above 99%); it is intended to be…
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