Bob, Look here for the modified audio board.
http://www.batlabs.com/images/marsqsch.jpg The squelch control circuit is there, uses the Micor, MSF, high speed squelch. "Bob M." <[EMAIL PROTECTED]> wrote: > > I'm working on a 42-50 MHz MaraTrac with the A7 > advanced head that has a squelch pot on it. The > squelch is open all the time, and neither the control > head pot or the pot inside the radio will close the > squelch.
