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| | Geocaching - Outdoors, Recreation 100
Global Positioning System - Geomatics, Earth Sciences, Science 44
Global Positioning System - Communications, Consumer Electronics, Shopping 150
 GPS DevicesGPS Devices
 Reviews of GPS receivers written by consumers at Epinions.com. Can be viewed by price range, brand, mapping capability, marine features.
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GPS ReviewsGPS Reviews
 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.
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How Stuff Works: Global Positioning System ReceiversHow Stuff Works: Global Positioning System Receivers
 Explanation of Global Positioning System (GPS) receivers.
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