EGNOS Data Access Service
EGNOS Data Access Service (EDAS) is a ground-based augmentation system (GBAS) that provides access to EGNOS (European Geostationary Navigation Overlay Service) data in real-time or with a delay. It is a part of the European Satellite Navigation Systems (GNSS) and is designed to improve the accuracy and reliability of GNSS positioning information. EDAS collects data from a network of more than 40 reference stations across Europe, processes it, and then disseminates it to users via the internet or dedicated lines. This data includes raw GPS and GLONASS signals, differential corrections, and integrity information. The service is primarily used in applications where high precision is required, such as surveying, mapping, and precision agriculture. It also plays a crucial role in safety-critical applications like aviation, where it can provide the necessary accuracy and integrity for aircraft navigation and landing procedures.
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