You ll get lost in this book, but nowhere else Your GPS is a really cool toy, but what if you could make it even cooler? What if you could build and hook up data cables, modify your iPAQ cradle to take a GPS connection, tweak the firmware, hook up to your PC without expensive software, use GPS data in a hundred creative ways, even solar-power your GPS? Suppose you could beef up your "first to find" quotient when geocaching, or use your GPS as a super-accurate clock. Well, you can. Read on your adventure is just beginning! Here s how to soup up your GPS Covers both Garmin and Magellan models Crack the secret codes Build auxiliary battery packs Navigate with your GPS Make power and data cables Sharpen your signal Keep firmware update Hack out a PC connectio Create and load dat Grab screenshots on the move Set up an atomic clock Customize GPS games Discover paper-free geocaching.