The project involves the establishments of a full complement of SBAS consisting of 15 Indian Reference Stations (INRES), 3 Indian Land Up-link Stations (INLUS), 2 Indian Master Control Centers (INMCC), 2 Geo-Stationary Navigation Payloads and with all the associated software and communication links.

A GAGAN (GPS Aided Geo Augmented Navigation) is an Indian SBAS (Satellite Based Augmentation System) intended to provide accurate and reliable navigation information for all phases of flight over the Indian FIR (Flight Information Region) and in the adjoining areas applicable for safety-of-life operations meeting the performance requirements of ICAO. The implementation of the GAGAN program is being realized through the following two phases…