What It Is and How It Works – For the uninitiated, GPS stands for Global Positioning System. It’s a method of finding a receiver anywhere on earth or in orbit, and it’s probably one of the most important inventions of the 20th century. GPS can be used in so many varied ways that new technologies are constantly being developed and improved in order to take advantage of it. Now why is GPS so important and useful. First, we have to understand how it work