UPSC Prelims 2025·GS1·science-and-technology·it and communication

GPS-Aided Geo Augmented Navigation (GAGAN) uses a system of ground stations to provide necessary augmentation. Which of the following statements is/are correct in respect of GAGAN? I. It is designed to provide additional accuracy and integrity. II. It will allow more uniform and high quality air traffic management. III. It will provide benefits only in aviation but not in other modes of transportation. Select the correct answer using the code given below.

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Last updated 23 May 2026, 3:31 pm IST
  1. AI, II and III
  2. BII and III only
  3. CI only
  4. DI and II onlyCorrect

Explanation

Analyzing statements about GPS-Aided Geo Augmented Navigation (GAGAN): I. Designed to provide additional accuracy and integrity: Correct. GAGAN is a satellite-based augmentation system that enhances the accuracy and integrity of GPS signals for safety-critical navigation applications. II. Will allow more uniform and high quality air traffic management: Correct. GAGAN enables precision approach procedures at airports, improving air traffic management efficiency and safety across Indian airspace with consistent navigation standards. III. Provides benefits only in aviation, not other transportation modes: Incorrect. While GAGAN is primarily designed for aviation, its enhanced GPS accuracy and integrity can benefit other transportation modes including maritime, rail, and road transport applications requiring precise navigation.
science-and-technology: GPS-Aided Geo Augmented Navigation (GAGAN) uses a system of ground stations to provide necessary augmentation. Which of

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