So, now you know the basics of how global positioning systems work, here are the types of devices you can use to locate and navigate outdoors. Handheld GPS devices When you think of GPS devices ...

We think [Brek Martin] set out to build a handheld GPS and ended up adding an mp3 Player to it. Regardless, it’s beautifully constructed. Hand built circuit boards and even a custom antenna ...

The Garmin Approach G20 Solar is a game-changer with the solar-powered battery allowing you to play round after round without ...