Perhaps you’re occasionally checking your smartphone’s built-in mapping software while driving to a remote trout stream, or using Google Earth on a home computer to scout out new hunting and fishing ...

Twenty thousand kilometres above you, there are a bunch of about 30 GPS satellites. They’re spread out, so that wherever you go, the sky above you contains at least four of them, and they pump out ...

From smartphones to action cameras, all manner of devices pack GPS these days. And while you might think it’s a newer innovation, GPS has actually been around since the 1970s, when it was developed by ...

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 ...