>I fellow teacher was interested in the possibility of using it for >mobile robot position information. Wouter, Loran might get you a position to 50-60 meters after much development work on your part, but for one hell of a lot less work and money you can get down to a couple of meters of position with a cheap GPS module. I can understand an intellectual pursuit but what will you have in the end? Just my 2 cents! Vic ________________________________________________________ Victor Fraenckel - The Windman victorf ATSIGN windreader DOT com KC2GUI -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist