GPS For Dummies (Book) by Joel McNamara

Offers down-to-earth guidance for hikers, cross-country skiers, and other outdoor enthusiasts who own or are thinking of buying a GPS receiver, as well as people interested in digital mapmaking. Provides coverage of the increasingly popular sport of geocaching. Explains how to turn cell phones and PDAs into GPS receivers and what hardware is required for connecting a GPS receiver to a PC. Shows how to use popular, inexpensive software packages to create topo maps, and discusses free Web-hosted map services. 400 pages.