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GAGAN: India's Indigenous Satellite-Based Augmentation System

GAGAN: India's Indigenous Satellite-Based Augmentation System
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GAGAN: India's Indigenous Satellite-Based Augmentation System

TopicDetails
NameGAGAN (GPS Aided GEO Augmented Navigation)
Developed ByIndian Space Research Organisation (ISRO) and Airports Authority of India (AAI)
PurposeIndia's indigenous Satellite-Based Augmentation System (SBAS) to enhance GPS accuracy, improving aircraft navigation safety and precision.
Key FeaturesEnhances GPS signals by providing real-time corrections and integrity information, reducing navigation errors, and enabling satellite-based precision landing.
Components- 15 Indian Reference Stations (INRES)- 2 Indian Master Control Centres (INMCC)- 3 Indian Land Uplink Stations (INLUS)- 3 Geostationary Satellites: GSAT-8, GSAT-10, GSAT-15
Major MilestoneIndia's first satellite-based landing using GAGAN conducted by Directorate General of Civil Aviation (DGCA) in June 2026.

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