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A thorough guide to the selection and use of a GPS (Global Positioning System) receiver to make time in the outdoors safer, easier, and more fun. Includes complete, up-to-date information on how GPS works, choosing and using the latest equipment, linking to laptops, cell phones and PDA's, coordinating with maps, software options and much more.

Like cell phones five years ago, GPS (global positioning system) units are becoming a common sight. These satellite navigation aids, once exotic military and maritime technology, are now available for around $100 and are showing up in places like car dashboards, backpacks, boats, and even pants pockets. This solid, informative handbook deals with the recreational uses of GPS units, including a new sport called geocacheing that involves leaving small keepsakes or treasures at locations subsequently posted to a web site; hunters must use their GPS skills to locate the treasure. The authors explain how the technology works and give an overview of what units are available for what price. More important to the average GPS user, though, is that much of the book is devoted to explaining exactly how the different kinds of units function. The language is clear and precise on even the most difficult subjects. Recommended for all public libraries and academic libraries supporting outdoor recreation or geography programs.-James Miller, Springfield Coll. Lib., MA Copyright 2003 Reed Business Information.