Title: What are various GNSS systems? – Geospatial World
Headings: What are various GNSS systems?
What are various GNSS systems?
Global Positioning System (United States)
GLONASS (Russia)
Galileo (EU)
BeiDou (China)
QZSS (Japan)
IRNSS ― NAVIC (India)

Content: But, have you ever wondered how this tiny mobile device in your hand directs you to every nook and corner? Of course you know, it is the tiny GPS chip in the phone which does the magic. GPS provides the location and time information anywhere on the earth. But did you know GPS, or Global Positioning System, is one of the four Global Navigation Satellite Systems? The four global GNSS systems are – GPS (US), GLONASS (Russia), Galileo (EU), BeiDou (China). Additionally, there are two regional systems – QZSS (Japan) and IRNSS or NavIC (India). Check out our special story on Evolution of the Global Navigation Satellite System
Global Positioning System (United States)
GPS is the oldest GNSS system. It initiated its operations in 1978 and was available for global use from 1994. The need to have an independent military navigation capability drove its innovation. And, US military was first to realize this.