Q54.
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.
Answer
D
Explanation
Indian Space Research Organization (ISRO) and the Authority of India (AAI) have implemented the project as a Satellite Based Augmentation for the Indian Airspace. The primary objective of is to establish a certifiable satellite based system for safety-of-life applications. I is correct: GAGAN is designed to enhance accuracy and integrity of GPS signals over the Indian It improves positioning accuracy from about meters to 1–2 meters. II is correct: GAGAN improves navigation allowing for more uniform and efficient air management, especially in complex or busy III is not correct: Although developed for aviation, GAGAN also benefits other like railways, road transport, maritime agriculture, and disaster management.