Attenuator gain is -10dB, and preamp gain is 11dB according to sheet 4 of the RF board schematic. Bob NW8L On Mon, Feb 9, 2009 at 10:26 AM, <greenacres113 at aol.com> wrote: > > I spend most of my radio time studying the OP manual but I can't find a > figure [ in DB ] for the PRE/ATT selector. Am I missing it? > > k9il >