Backpacker magazine's Using a GPS brings you essential mind gear from the two most respected and reliable publishers of outdoor-related information. Learn how to use a GPS to plan and record your trip, and how to edit and enhance your maps and share them with world. Get a handle on a range of other essentials, from basic field techniques and how a GPS works to computer-based mapping with GPS, as well as conventional navigation skills. Perfect for pack or pocket, this book breaks down its subject into the essential topics, providing practical and portable information useful in the field. Full-color photos and illustrations complement concise, clear text, introducing you to the basic and intermediate skillsneeded to safely and successfully get by in the outdoors. Also available: Backpacker magazine'sCampsite CookingOutdoor Survival Predicting WeatherTrailside Navigation