A few weeks ago, China launched the final satellite in its BeiDou-3 satellite positioning system. Didn’t know that China had its own GPS? How about Europe’s Galileo, Russia’s GLONASS, or Japan’s QZSS? There’s a whole world of GPS-alikes out there. Let’s take a look.
The Global Positioning System (GPS) that we all know and love flew its first satellite in the distant past of 1978, just five years after the project began. Becoming fully operational in 1993, it was originally intended for use by the military. After decrees by government and the increase in civilian accuracy in 2000, GPS took the