Wilderness Navigation: Finding Your Way Using Map, Compass, Altimeter & GPS

This new third edition is a major and complete update of the popular textbook.

*Improved throughout for clarity, with chapter objectives presented at the beginning of each chapter and summaries, "skills check" mini-quizzes, and practice problems listed at the end

*Updated descriptions of the most current maps, compasses, altimeters, and Global Positioning System (GPS) receivers

*Updated declination maps for the United States and the world (declination changes over time and compasses must be adjusted for a specific location to provide correct readings)

*Much-expanded GPS chapter, including interfacing the GPS receiver with the home computer, maximizing battery life, and using the GPS function on a "smart" phones (along with a description of their limitations)

*Additional information on non-GPS navigational techniques