This figure aims at providing a high-level overview of the EGNOS System and Services expected evolutions linked to the consecutive EGNOS System Releases (ESR) deployments and the information/interfaces improvements/changes described herein, mainly focusing on 4 different areas, when relevant: 

• System Evolutions…

The European Geostationary Navigation Overlay Service (EGNOS) provides an augmentation service to the Global Positioning System (GPS) Standard Positioning Service (SPS). Today, EGNOS augments GPS using the L1 (1575.42 MHz) Coarse/Acquisition (C/A) civilian signal…