Cntinues to be the best-selling instructional for GPS technology because it is he most up-to-date of any text on the topic. Clear language & illus demystify GPS. 15 B&W photos, 30 maps, 150 illus; 6x9 inches, 224 pgs.
Completely revised to reflect the greater accuracy of GPS receivers since the removal of Selective Availability. The 4th edition of GPS Made Easy covers improvements in GPS accuracy as a result of WAAS (Wide Area Aughmentation System). Many new GPS receivers now accept corrective signals from this system of satellites and ground stations. WAAS is referred to in every section of the book describing accuracy.
The updated title has a new chapter explaining how to download maps and computer software to a GPS receiver, including examples readers can follow.
Tells you all you need to know to use Global Positioning System receivers for accurate navigation in the outdoors, how GPS works, features of all common receivers, and practical examples of use in the outdoors. Clear language and illustrations demystify GPS for every user.
This book is for you if:
* You own a GPS receiver
* You are considering buying a GPS receiver
* You work in remote, featureless areas
* You sea kayak or canoe wilderness rivers
* You ski, climb, or hike above treeline
* You explore in deserts or the polar regions
* You go any place where navigation is tricky
(praise for the 3rd edition)
Buying and reading this book won't guarantee you'll never get lost again, but it's a good start. --LA Daily News
A one-stop source of information. --The Arizona Republic
This is an excellent introduction to GPS and a good tutorial on wilderness navigation in general. Even experienced land navigators will find pearls in this book. --Wilderness and Environmental Medicine -
If you travel far from the beaten path, or in regions without obvious points of reference, GPS can be a tremendous source of security. Letham's book can explain how to make the most of that global navigation system ... it's a one-stop source of information. --Times Leader -
ABOUT THE AUTHOR:
Lawrence Lethem, an electrical engineer, is an avid hiker and camper long fascinated by maps and the art of navigation. He lives in Arizona.