We’re so dependent on our cell phones and their navigation apps that we don’t even think about directions anymore. But, what happens if you’re running out of data? Don’t worry. We have a hack to teach ...

Used correctly, a GPS – or global positioning system – can be a handy tool for any hiker. Here, we examine how to use GPS for ...

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 ...