Folks, I'd like to get my GRA-71 Burst Keyer on the air. To that end I need the module labeled KEYER KY-468/GRA-71 or parts to repair mine. It's missing the main drive spring, and possibly other bits. (This is the wind-up mechanism that reads the programmed mag tape cart, and keys the TX.) Thanks, Al -- Al Klase – N3FRQ Jersey City, NJ http://www.skywaves.ar88.net/