Examine the following statements and select the correct answer using the codes given below:
1. The IRNSS (Indian GPS) Constellation of eight satellites is known as ‘NAVIC’.
2. IRNSS will provide two types of services, namely, Standard Positioning Service (SPS) to all the users and restricted service (RS), an encrypted service to the authorised users.
3. It is expected to provide a positional accuracy of better than 20 m in the primary service area.
1
Only 1 and 2 are correct
2
1, 2 and 3 are correct
3
Only 1 and 3 are correct
4
Only 2 and 3 are correct