You might check with Scott Malcomb. His business name is MTS. Te drawback is that he lives in the Pacific north west. He is an ex-tech with Icom. More local is Fred Krause, N2LXD in Ripley, NY phone 716 736 4688. Best time to call is evenings. Very familiar with the older Icoms. de N2JH Scanned for viruses by Blue Coat http://www.WinProxy.com/