> > Why not just send a time signal out continuously, and let the > > receiver read it whenever it wakes up? > I'm so use to saving power where I can, it comes automatically > to me now!! Same here. I immediately thought "What's the best way using the least power ?" (I'm in the middle of a battery-powered Rx- Tx project and sure that influenced me) It's a little bit of a wake-call about not being so narrow-minded -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist