hunters, and explorers. Pricing for handheld and wearable GPS units ranges anywhere from around $100 for the most basic mapping device to upwards of $1,000 for top-of-the-line technology.

We think [Brek Martin] set out to build a handheld GPS and ended up adding an mp3 Player ... You can see some good pictures in this small gallery below. The interface is a standard gLCD and ...