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Types of Global Navigation Satellite System Variants Today

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Taking out your phone to navigate through a new place seems commonplace these days. Anytime you feel lost, you can simply type in a destination and begin using GPS, a little chip in your phone that gives time and location related data anywhere across the globe.  GPS (Global Positioning System) is actually one of the main types of types of global navigation satellite system available around the earth. There are four main systems and two regional systems in all -  • GPS (United States) • GLONASS (Russia) • Galileo (European global navigation satellite system) • BeiDou (China) • QZSS (Japan) (Regional system) • IRNSS or NavIC (India) (regional system) History of Global Navigation Satellite Systems Let us take a look at some important details about the various types of global navigation satellite systems available around the earth:  GPS Operating since 1978, GPS is the oldest global navigation satellite system, but how did this technology develop in the first place? At the roo