GAGAN Becomes First SBAS Certified for Equatorial Region

India provides for the country’s 1st satellite-based landing system approach on a commercial jet aircraft using GAGAN (GPS Aided GEO Augmented Navigation). GAGAN comprises the 1st SBAS certification for the equatorial region and provides for GPS augmentation through real-time correction and integrity information.

GAGAN (GPS Aided GEO Augmented Navigation) :

Dimension	Key Details
System Type	GAGAN comprises an indigenous Satellite-Based Augmentation System (SBAS).
Core Function	GAGAN provides for real-time correction and integrity information to improve GPS.
Developing Agencies	GAGAN comprises ISRO and the Airports Authority of India (AAI) as developers.
Infrastructure Components	GAGAN comprises 15 Indian Reference Stations (INRES), 2 Indian Master Control Centres (INMCC), and 3 Indian Land Uplink Stations (INLUS).
Space Segment	GAGAN comprises 3 geostationary satellites for broadcasting corrected signals: GSAT-8, GSAT-10, and GSAT-15.
Unique Certification	GAGAN comprises certification as the 1st SBAS for the equatorial region.
Interoperability	GAGAN provides for compatibility with US WAAS, Europe’s EGNOS, and Japan’s MSAS.
Civil Aviation Coverage	GAGAN provides for support to civil aviation across the Indian Flight Information Region.
Coverage Area	The coverage area comprises India and a region up to 1500 km beyond Indian boundary.
Applications (Beyond Aviation)	GAGAN provides for applications in maritime navigation, road transport, railways, disaster management, defence and security, telecommunications, and surveying and mapping.
Geostationary Satellite (Quick Fact)	Geostationary satellites comprise satellites that orbit at the same speed as the Earth's rotation.
GSAT Payload Note	GSAT-8, GSAT-10, and GSAT-15 comprise India’s geostationary satellites that carry GAGAN payloads.
Related System Mentioned (NavIC)	NavIC comprises an independent regional navigation satellite system and provides for positioning, navigation, and timing services.