Which of the following statements are correct regarding Indian Regional Navigation Satellite System (IRNSS) : NavIC? 1. 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 2. The IRNSS System is expected to provide a position accuracy of better than 20 meters in the primary service area. 3. IRNSS-1A spacecraft provides messaging service to users in the Indian region.

- Statement 1 is correct. The Indian Regional Navigation Satellite System (IRNSS), officially named NavIC (Navigation with Indian Constellation), is an independent regional navigation satellite system developed by ISRO. It is designed to provide accurate real-time positioning, navigation, and timing services primarily to users in India and the region extending up to 1500 km from its national boundary. - Statement 2 is correct. NavIC is designed to provide a position accuracy of better than 20 meters in the primary service area and better than 10 meters in specific applications like the Precise Service. - Statement 3 is correct. IRNSS-1A was the first of the planned seven satellites in the NavIC constellation. Besides the standard navigation payload, it carried a C-band transponder for ranging and a messaging payload for providing disaster management and other specialized services.