With reference to the Indian Regional Navigation Satellite System (IRNSS), consider the following statements:
- IRNSS has three Satellites in geostationary and four satellites in geosynchronous orbits.
- IRNSS covers entire India and about 5500 sq. km beyond its borders.
- India will have its own satellite navigation system with full global coverage by the middle of 2019.
Which of the statements given above is/are correct?
- 1 only
- 1 and 2 only
- 2 and 3 only
- None
Explanation
Statement 1 is correct
- NavIC, also known as the Indian Regional Navigation Satellite System (IRNSS), is an independent, stand-alone navigation satellite system developed by ISRO. It has been in operation since 2018.
- It was designed as a constellation of 7 satellites located at 36,000 km (approx.) above the Earth.
- 4 satellites are in inclined (29° to the equatorial plane) Geosynchronous Orbit (GSO).
- 3 satellites are in Geostationary Orbit (GEO).
Statement 2 is incorrect
- It covers India and a region up to 1500 km beyond Indian boundaries.
Statement 3 is incorrect
- IRNSS is a regional navigation system, not a global one.
