To ALL, Believe that a surge from the AC line through the computer WILL damage a K3.....to the tune of $984.94!!! Disconnect or check June QST page 63 for a new product. VSC-X Wireless Serial Cable From Coastal Chip Works. 73, Griff....N5AG IF YOU DON'T THINK EVERY DAY IS A GOOD DAY, JUST TRY MISSING ONE!!!