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What is the difference between GPS and GNSS?

What is the difference between GPS and GNSS?

GNSS stands for Global Navigation Satellite System, and is the standard generic term for satellite navigation systems that provide autonomous geo-spatial positioning with global coverage. This term includes e.g. the GPS, GLONASS, Galileo, Beidou and other regional systems (see below).

The term GPS is specific to the United States’ GNSS system, the NAVSTAR Global Positioning System. As of 2013, the United States NAVSTAR Global Positioning System (GPS) and the Russian GLONASS are the only fully operational GNSS, and accordingly account for the bulk of UNAVCO’s available equipment and project support.

GLONASS is a Russian GNSS, and is included in many UNAVCO Development and Testing projects. GNSS systems currently in various stages of development and deployment include Galileo, the European Union’s positioning system; IRNSS, India’s next generation regional system;QZSS, the Japanese regional system, and China’s Beidou Global navigation satelite system.

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Comments (5)
Comment by A S Negi on Mon, Aug 19th, 2013 at 12:33 PM
what is the GNSS? How it is working? what is the difference between GPS & GNSS?
Comment by Dahiru A. Murtala on Sun, Oct 21st, 2012 at 11:58 AM
This site will be of help to me
Comment by Lukman on Sat, Oct 20th, 2012 at 11:27 PM
I like the explanation in this piece. Its self explatory.Thank!
Comment by Anonymous on Tue, Jul 5th, 2011 at 7:58 AM
Is a space-based global navigation satellite system (GNSS) that provides location and time information in all weather, anywhere on or near Earth. It is maintained by the United States government and is freely accessible by anyone with a GPS receiver. Receivers calculate the precise time as well as position, which can be used as a reference for scientific experiments
Comment by Anonymous on Tue, Jul 5th, 2011 at 7:57 AM
theGPS Is a space-based global navigation satellite system (GNSS) that provides location and time information in all weather, anywhere on or near Earth. It is maintained by the United States government and is freely accessible by anyone with a GPS receiver. Receivers calculate the precise time as well as position, which can be used as a reference for scientific experiments
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