The world's population is increasingly interconnected, with information, goods and people being moved between locations at unprecedented volumes and rates. How, though, do people and things find their way in cities without street names or across vast open oceans?
Global Navigation Satellite Systems are technologies which use Earth-orbiting satellites, networks of ground control stations, and receivers to calculate positions by triangulation. Global Navigation Satellite Systems, such as the American Global Positioning System and the Russian GLONASS, provide extremely accurate positioning and navigation information, which is relied upon in aviation, maritime, rail and road transit.
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