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Topic Satellite navigation
Asked 7 times across 3 UPSC exams over 18 years (2007–2025), peaking in 2018.
Key insights
- Most tested in CSE — 5 of 7 PYQs
- Most asked in 2018
- Recurs across 6 years (2007–2025)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 2007 → CDS 2014 → NDA 2022
How the concept evolved
Rising — more than half its appearances (5 of 7) are since 2016.
Related concepts
Ideas UPSC tests alongside this one — keep exploring.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CSE2025
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?
- It is designed to provide additional accuracy and integrity
- It will allow more uniform and high quality air traffic management
- It will provide benefits only in aviation but not in other modes of transportation
Select the correct answer using the code given below.
- A I, II and III
- B II and III only
- C I only
- D I and II only ✓
✓ Correct answer: (D)
Science & Technology › Space Tech
CSE2023
Which one of the following countries has its own Satellite Navigation System?
- A Australia
- B Canada
- C Israel
- D Japan ✓
✓ Correct answer: (D)
Science & Technology › Space Tech
NDA2022
Which one of the following statements with respect to Global Positioning System (GPS) is not correct?
- A It is based on network of satellites orbiting above the Earth.
- B It is based on the system of triangulation.
- C GPS receivers provide location in terms of latitude, longitude and altitude.
- D It provides information exclusively for military operations. ✓
✓ Correct answer: (D)
Science & Technology › Space Tech
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