With reference to the Indian Regional Navigation Satellite System (IRNSS), consider the following statements :
1. IRNSS has three satellites in geostationary and four satellites in geosynchronous orbits.
2. IRNSS covers entire India and about 5500 sq. km beyond its borders.
3. 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 ?
Answer:
(a)
CA
S1: The space segment consists of the IRNSS constellation of eight satellites, NavIC. Three satellites are located in suitable orbital slots in the geostationary orbit and the remaining four are located in geosynchronous orbits with the required inclination and equatorial crossings in two different planes. Hence, statement 1 is correct. S2: It is designed to provide accurate position information service to users in India as well as the region extending up to 1500 km from its boundary, which is its primary service area. Hence, statement 2 is incorrect. S3: There are long term plans to extend it to SAARC region, but not by 2019. There are plans to add 4 more satellites to the present constellation. Hence, statement 3 is incorrect. Source: https://www.isro.gov.in/irnss-programme