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GPS - Global Positioning System

A GPS satellite navigation receiver helps you navigate your way to any place you decide to take your pickup truck or other toys. Get answers to all your GPS questions here.
All About GPS
A multi-page tutorial about GPS. How it works, why it's around, what it can do for you. Trimble's GPS tuturial requires Shockwave.
GPS Guide For Beginners (Garmin)
Garmin's GPS guide for beginners is a 23-page document in PDF format. Explanations are accompanied by graphics to help you understand what GPS is and how it works.
GPS vs. Tracking
If you're afraid that using a GPS receiver will tell someone who you are, this article by Topcon should put your mind at ease.
What Is GPS? (Garmin)
Garmin explains what GPS is, how it works, and what surroundings might affect your readings. Garmin is the maker of popular GPS receivers.
What Is WAAS?
Garmin explains WAAS, what it is and how it provides GPS signal corrections.
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