23. The International Maritime Organisation (IMO) has recently recognized Indian Regional Navigation Satellite System (IRNSS) as a part of World Wide Radio Navigation System (WWRNS).

Choose the correct statement(s) among the following :
1. India has become the fourth country in the world to have its independent navigation satellite system recognized by IMO.
2. IRNSS provides both Standard Positioning Service (SPS) and Restricted Service (RS).
3. IRNSS, like GLONASS and GPS is a global navigation system.

1. Only 1

2. Only 1 and 2

3. Only 2 and 3

4. Only 1, 2 and 3

Correct Answer :

Only 1 and 2