What is GPS?
The Global Positioning System (GPS) is a satellite-based navigation system made up of a network of 24+ satellites placed into orbit by the U.S. Department of Defense. GPS was originally intended for military applications, but in the 1980s, the government made the system available for civilian use.
GPS works in any weather conditions, anywhere in the world, 24 hours a day. There in no subscription fee or setup charge to use GPS.
International Definitions:
GPS: Global Positioning System (US), NAVSTAR* program
GALILEO (EU)
GLONASS (Russia)
COMPASS/Beidou (China)
INSAT (India)
QZSS (Japan)
GNSS: generic, international term 'Global Navigation Satellite System'
ICG: International Committee on GNSS
*Navigation System with Timing And Ranging
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