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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A hard Science & Technology multiple-choice question from UPSC Prelims 2025. Attempt it above, then check the correct answer and detailed explanation below.
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Correct answer: D. I and II only
Statements I and II are correct — GAGAN improves the accuracy and integrity of GPS signals and enables better air traffic management. Statement III is wrong — GAGAN's benefits extend beyond aviation to other modes of transport and applications.
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