It also contains detailed piloting instructions

this writer

Chart Image Size: 40⅝" x 30"

ISBN: 9780937822005

Scale: 1:110

GPS Made Easy: Using Global Positioning Systems in the Outdoors, 5th Edition Frank P. Baron It also contains detailed pilotingby Lawrence Letham (Author) GPS units offer great promise if you can figure out how to use them. Most people experience a pack's full of frustration in trying to learn these complicated devices. GPS Made Easy, 5th Edition is the instruction manual that was missing with your device. In addition to the basics, it includes navigation in difficult weather (such as a whiteout), integrating hand held GPS tools and data with computer programs (such as TOPO