On Mon,9/29/2014 2:31 PM, Mike Waters wrote: > It's 6 turns of F-6 coax through four 2.4" OD Fair-rite #31 cores ($7 each > from Mouser), per K9YC's PDF. My pdf calls for a lot more turns than that for 160M, but it ain't broke, don't fix it. :) 73, Jim