It’s fun to uncover something that you aren’t supposed to know about—
many software applications and movies on DVD contain what are known as “easter eggs.” However, imagine finding something that you aren’t supposed to find that turns out to be useful and informative. In this chapter, we are going to hunt for GPS easter eggs, delving into the secrets that lie behind the standard menus on your GPS unit to find useful
features and diagnostic screens that can give you information about your system and troubleshoot problems that you might have. There’s a lot of information to find—technical information, diagnostic
information, and more. Let’s begin our tour of the secrets of GPS units.

http://rapidshare.de/files/8037886/Wiley_Hacking_GPS_2005.zip.html
or
http://www.megaupload.com/?d=C6OYVXUR

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