On 21 Mar 2014 at 6:56, David Stinson wrote: > Next: Since I have the beast on the bench, I'm going > to investigate some of the non-destructive ways > to tighten the IF bandwidth. Please keep us informed, Dave. I have an ARC-2 I want to get in operation...and USE... I had thought about some sort of "Q-5er"... Ken W7EKB