On Sep 9, 2011, at 11:08 AM, Lyle Johnson <kk7p at wavecable.com> wrote: > >> ...The current logic is:- >> >> For the HPFs >> if (frequency < 1.5MHz) bypass >> I'd suggest changing that to 1.8 MHz as otherwise the HPF cutoff will kill reception between 1.5 and 1.8 MHz (which happens in the current code). John 1315618794.0