An artist's rendering of one of the early satellites launched in the 1990's. GPS may be one of the most versatile and widely used inventions of our time. It helps us find our way home, decide where to ...

At the heart of GPS is the ability to measure the distance from a receiver to several satellites. There are always 4 to 8 satellites visible at any given time. Each satellite sends out a signal, which ...

Getting lost while driving is close to a a lost art. With GPS in your car's navigation system, in the portable navigation device on your dashboard, or in your smartphone, it's easy to pull up a map ...

Many of us use GPS pretty much every day — getting directions with mapping apps on our phones, tracking our meal deliveries, logging our running routes — but have you ever stopped to wonder, how does ...

or dog collar to keep track of whereabouts afield. Regardless of how you enjoy the outdoors, like most hunters and anglers these days, you’ve probably tapped into the Global Positioning System in one ...