New Delhi. On the night of October 30, 2026, at 11:51 PM, ISRO successfully launched the NVS-03 satellite using the GSLV-F18 rocket. The launch took place from Launch Pad 2 at the Satish Dhawan Space Centre in Sriharikota. ISRO will place this satellite into an orbit with a perigee of 170 kilometers and an apogee of 37,023 kilometers—meaning the orbit will be elliptical rather than circular.
‘Perigee’ refers to the point closest to Earth, while ‘apogee’ refers to the point farthest from Earth. This will enhance NavIC services and help reduce reliance on GPS. Whether it is navigating routes on a mobile phone, tracking the location of a vehicle, or determining the course of a ship at sea, such tasks rely on satellite support.
This will provide India’s armed forces with superior and precise navigation. While many nations around the world rely on the American GPS system, India is actively strengthening its own navigation infrastructure. This is crucial, as it ensures that in the event of a conflict, our armed forces do not have to depend on foreign systems for accurate location data and navigation.
The objective of this mission is to further improve India’s indigenous navigation system, NavIC. The NVS-03 is the third satellite in the new generation of the NavIC constellation. It is equipped with an indigenously developed atomic clock and also incorporates the L1 signal. These enhancements will help improve location-based and route-guidance services within India.
What is the GSLV-F18 rocket?
GSLV stands for Geosynchronous Satellite Launch Vehicle. It is a rocket developed by ISRO, used to launch heavy satellites into space. GSLV-F18 will be the 20th flight of this rocket. It will be used to place the NVS-03 satellite into a Geosynchronous Transfer Orbit (GTO).
The rocket operates in three stages: the first stage uses solid fuel, the second stage uses liquid fuel, and the third stage employs a cryogenic engine. The cryogenic engine utilizes liquid oxygen and liquid hydrogen.
What is the NVS-03 satellite?
NVS-03 is the third satellite in India’s new navigation satellite system. It has been developed to ensure the continuous operation and enhanced performance of India’s NavIC system. A key feature of this satellite is its indigenous atomic clock; it also carries atomic clocks procured from abroad.
The function of an atomic clock is to provide highly precise timekeeping. Accurate time information is crucial for navigation systems, as it enables satellites to determine the exact location of a person or a vehicle.
The NVS-03 also incorporates an L1 signal. Currently, the NavIC system utilizes L5 and S-band signals. The addition of the L1 signal makes it easier to integrate NavIC with other navigation systems, thereby facilitating its adoption across a wider range of devices.
How does NavIC work?
NavIC stands for ‘Navigation with Indian Constellation.’ It is India’s own navigation system, which can be understood as being similar to the American GPS. It provides information regarding location, routes, and time. NavIC is designed to provide services across the entire Indian territory and up to approximately 1,500 kilometers beyond its borders. Through it, the general public can also access location-related information.
Furthermore, it can be utilized for security-related operations. It offers two types of services: the ‘Standard Positioning Service,’ available for use by the general public, and a ‘Restricted Service,’ intended specifically for security and government requirements.
How will it benefit the armed forces?
A robust NavIC system will assist the general public in navigating and determining locations. It can be integrated into mobile devices, vehicles, trains, ships, and aviation services. It can also support the use of drones in agriculture, guide fishermen at sea, and help rescue teams reach precise locations during emergencies. Having an indigenous navigation system is also crucial for the armed forces, as it allows India to rely on its own technology for security-related operations.
1,105 seconds after launch, the NVS-03 satellite successfully separated from the cryogenic engine and is now moving toward its designated orbit. (Screengrab: ISRO)
How will dependence on GPS be reduced?
Currently, the American GPS is one of the most widely used navigation systems globally. Russia, China, and Europe also possess their own navigation systems. India’s NavIC functions similarly, though its services are primarily focused on India and its surrounding regions.
The launch of NVS-03 will strengthen India’s own navigation infrastructure, helping to reduce reliance on foreign systems for location and time-based services. Having an indigenous system is particularly advantageous for the armed forces and security-related operations.
However, this does not mean that India will cease using GPS entirely. GPS and NavIC can both be used together. This mission will help India improve its own navigation system and become self-reliant in this field.
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