NavIC, India's Satellite-Based Navigation System, As Good As GPS Of United States: Govt

by Swarajya Staff - Aug 5, 2022 08:38 AM +05:30 IST
NavIC, India's Satellite-Based Navigation System, As Good As GPS Of United States: GovtRepresentative Image

The government has said that India's satellite-based navigation system, NavIC, is as good as GPS of the United States in terms of position accuracy and availability in its service region.

Replying to a question in the Rajya Sabha, Union Minister of State for Space Jitendra Singh said that NavIC can help in navigation on land, air, sea and also in disaster management.

"NavIC satellites are placed at a higher orbit than the GPS of United States. NavIC satellites are placed in geostationary orbit (GEO) and geosynchronous orbit (GSO) with an altitude of about 36,000 km; GPS satellites are placed in medium earth orbit (MEO) with an altitude of about 20,000 km," the minister said.

A satellite in Earth's geostationary orbit remains in the same position in the sky to observers on the surface.

NavIC uses dual frequency bands, which improves accuracy of dual frequency receivers by enabling them to correct atmospheric errors through simultaneous use of two frequencies.

It also helps in better reliability and availability because the signal from either frequency can serve the positioning requirement equally well.

"At the time of inception, an indigenously developed satellite navigation system was conceptualised to cater to requirements of critical national applications, including those of defence and commercial establishments. Hence the coverage area was designed to cover Indian Territory and surrounding 1500 km of Indian borders," the minister said.

The needs of critical national applications do evolve with time and efforts are continuously made to meet these requirements, including from the point of view of coverage, he added.

Get Swarajya in your inbox everyday. Subscribe here.

An Appeal...

Dear Reader,

As you are no doubt aware, Swarajya is a media product that is directly dependent on support from its readers in the form of subscriptions. We do not have the muscle and backing of a large media conglomerate nor are we playing for the large advertisement sweep-stake.

Our business model is you and your subscription. And in challenging times like these, we need your support now more than ever.

We deliver over 10 - 15 high quality articles with expert insights and views. From 7AM in the morning to 10PM late night we operate to ensure you, the reader, get to see what is just right.

Becoming a Patron or a subscriber for as little as Rs 1200/year is the best way you can support our efforts.

Become A Patron
Become A Subscriber
Comments ↓
Get Swarajya in your inbox everyday. Subscribe here.

Latest Articles

    Artboard 4Created with Sketch.