Relays, Triangulation, GPS, and You

Today, you can find a GPS system in almost every new car model, on cell phones, and several other devices. The Global Positioning System (GPS) has become the de facto navigation system for the entire world. While it wasn’t always available to the public, it has quickly evolved as the favorite means of navigation by nearly everyone. Where did the GPS system come from and how does it work?

Developed by the United States military, the GPS system was used to trace the flight and routes of intercontinental ballistic missiles. In’83, after a Korean passenger flight was shot down by Russia…

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