Discussion board for owners of Magellan eXplorist handheld GPS units.

Reviews of GPS receivers written by consumers at Epinions.com. Can be viewed by price range, brand, mapping capability, marine features.

Top-rated GPS handheld portable units, in-car systems, and PDA/computer plugin receivers. Where to find reviews in computer or technology publications and web sites. Links to reviews, with comments and credibility rating.

Explanation of Global Positioning System (GPS) receivers.