When will GPS be replaced in India by NavIC?

 While GPS has an accuracy of 5 meters, NavIC delivers a positioning precision of 3 meters, depending on signal strength

and satellite availability. In order to expand the NavIC constellation's coverage, ISRO plans to launch additional satellites.

The first NavIC satellite was launched in 2013 by Indian Space Research Organisation

HIGHLIGHTS

• What is NavIC?
• How to us it?.
• Area and compatibility with devices.

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A few days ago, the Indian government declared that all mobile devices must support NavIC (Navigation with Indian Constellation) by 2025.

All 5G phones should enable NavIC by January 1, 2025, and all other phones by December 2025, according to Minister of State for Electronics and Information Technology Rajeev Chandrasekhar.

Also read | As reported by Rajeev Chandrasekhar, the government intends to make NavIC support mandatory for all devices.

The Indian Space Research Organisation (ISRO), which created NavIC, is a satellite-based navigation system similar to the US Global Positioning System (GPS).

• What exactly is NavIC?
• What areas does NavIC cover?
• Where can I use NavIC?
• What other prominent navigational systems are there globally?
• How does NavIC compare to other significant navigational systems around the world?
• When it comes to coverage of India and the adjacent areas, is NavIC superior to GPS?
• How is NavIC being improved by ISRO?

But how does it work and what areas does it cover? Here, we take a look at this.

What exactly is NavIC?

With the launch of the seventh satellite in the constellation in April 2018, NavIC, the regional satellite navigation system created by ISRO, was made fully operational. When its first satellite, IRNSS-1A, was launched in July 2013, the navigation system's development got under way.

What areas does NavIC cover?

The primary coverage area of the seven-satellite constellation is India and the surrounding area, which extends 1,500 kilometers outside of the nation. India, the entirety of the Indian Ocean, some of South Asia, Southeast Asia, and the Middle East make up its main coverage area.

Where can I use NavIC?

According to ISRO, NavIC provides two services: restricted service (RS) for strategic users and standard position service (SPS) for civilian customers.

NavIC can be used for a variety of purposes, including:

• Transportation (on land, in the air, and in the sea).
• Services based on location.
• Individual mobility.
• Resource management.
• Geodesy and surveying.
• Research in the sciences.
• synchronization and distribution of time.
• Dissemination of safety-of-life alerts.

What other prominent navigational systems are there globally?

In addition to NavIC, other well-known navigation systems include the Global Positioning System (GPS) of the United States, the Global Navigation Satellite System (GLONASS) of Russia, Galileo of the European Union, BeiDou of China, and the Quasi-Zenith Satellite System (QZSS) of Japan.

How does NavIC compare to other significant navigational systems around the world?

While NavIC has seven satellites, the constellation as a whole has

• There are 31 active satellites for GPS
• 24 for GLONASS in Russia and 
• 44 for Beidou 
• The QZSS of Japan has four

In terms of coverage, GPS, GLONASS, and Beidou offer global coverage but NavIC only covers India and its surroundings. Japan and the Asia Pacific are covered by QZSS.

Also read | The iPhone 15 will support ISRO's NavIC GPS technology.

When it comes to coverage of India and the adjacent areas, is NavIC superior to GPS?

According to ISRO Chairman S. Somanath, NavIC delivers a location accuracy of 3 meters, depending on satellite availability and signal strength. GPS, on the other hand, has a 5 meter accuracy. Additionally, GPS is only compatible with L-band while NavIC supports both S and L bands.

How is NavIC being improved by ISRO?

More satellites in the NavIC constellation will be launched by ISRO, and the constellation will expand its coverage to the entire world.

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