For the millions of GPS owners who love their GPS units but don't know all they can do with them, this fun guide shows that a GPS can do a lot more than just calculate a location. Dozens of illustrated examples show how a GPS can be attached to a multitude of devices, including dogsleds, race cars, hot-air balloons, windsurfers, pet animals, ski racers, hockey players, and sailboats. Each example includes maps and photographs to inspire hobbyists,...