K7LXC at aol.com wrote: > > In a message dated 4/14/2009 12:02:14 P.M. Pacific Daylight Time, > towertalk-request at contesting.com writes: > >> I wonder where the 5 dB gain is coming from ? > > > An active antenna tuner? > Why yes<grin> or measurement technique that doesn't account for things like mismatch properly.