On Fri, 23 Jul 2010 10:37:46 -0700, Jay wrote: >The local AM station on 940 is wiping out my K3 on 1880 and 3760 to the >tune of 20-30db over. I'd bet that you have preamp on and the attenuator off, so you're probably overloading the K3. Turn on the attenuator and turn off the preamp. That should fix it. 73, Jim K9YC