Automatic Position Reporting System Sep 10,2005
APRS is a system that combines GPS with short-range packet radio to provide positioning data even in places where GPS doesn't easily reach.
Beyond Logic Mar 31,2004
Beyond Logic is a good site with notes on interfacing anything to anything else. Excellent notes on USB, TCP/IP, and CMOS cameras.
Hyperlinktech Nov 9,2004
Hyperlinktech is a strangely named good resource for the wifi hacker. Thanks to Andrew Milmoe for the link.