The Indian Space Research Organisation (ISRO) successfully launched its GSLV-F18 rocket carrying the NVS-03 navigation satellite from the Satish Dhawan Space Centre in Sriharikota late on Friday night, marking an important step towards strengthening India’s indigenous satellite navigation system.
The rocket lifted off at 11:51 pm IST on October 30 from the space centre’s second launch pad. After a flight of approximately 18 minutes and 40 seconds, the 2,250-kg satellite was successfully injected into its designated Geosynchronous Transfer Orbit.
The mission marked the 20th flight of India’s Geosynchronous Satellite Launch Vehicle programme and the third satellite in ISRO’s next-generation navigation satellite series.
One of the key features of NVS-03 is its indigenous Rubidium atomic clock. Precise timekeeping is essential for satellite navigation because receivers calculate their positions using the time taken by signals to travel from satellites.
The satellite also introduces the civilian L1 navigation signal alongside the existing L5 and S-band signals. The additional frequency is expected to improve compatibility with a wider range of civilian navigation receivers, including devices used for location-based services.
NVS-03 is part of India’s Navigation with Indian Constellation (NavIC), which provides positioning, navigation and timing services across the country and an area extending approximately 1,500 kilometres beyond its boundaries.
NavIC has applications in road and maritime navigation, transport management, disaster response and strategic services. Strengthening the satellite constellation is important for maintaining the continuity and reliability of these services.
The successful launch is a significant milestone, but the satellite will undergo further orbital manoeuvres, health checks and commissioning before it becomes operational.
The mission also reflects India’s continued efforts to develop critical space technologies domestically and reduce dependence on foreign navigation infrastructure.
With NVS-03 successfully placed in transfer orbit, ISRO has taken another step towards improving the capabilities of India’s independent navigation network.
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