GPS Systems & Navigational Aids

Before You Buy Index

Before You Buy A GPS Unit For Navigating Off-Road
A GPS unit can get you from Point A to Point B -- electronically, simply by tracking GPS coordinates. If you're considering buying a new or used portable GPS unit (like a Garmin or Magellan), and you're trying to decide between a couple of different types of GPS units (like handheld or dash-mounted), here are the most important things you should look for when purchasing a GPS system.