If your vehicle doesn’t have built-in satellite GPS, these devices are much better than a smartphone for navigation.

There are plenty of GPS navigation units on the market today, but it’s always fun to build something yourself. That’s what [middelbeek] did with his $25 GPS device. He managed to find a few ...

The movable device will help you determine ... on a portable fish finder? The best portable fish finders double as a navigation tool. A fish finder with GPS helps you find the most productive ...

Among portable navigation devices, consumers have other options for navigational systems such as built-in vehicle navigation and navigation software that runs on GPS-enabled mobile phones. The 21 ...

Here are some of the modern navigation tool's most important ... Retailing for $3,000, this was the first GPS device that was truly portable. Perhaps the most notable development during this ...

and if you’re a true time aficionado like [Cristiano Monteiro], you might be interested in the portable GPS-controlled time server he recently put together. The heart of the build is a NEO-6M ...