Actually, 3 dB is the point at which you can first notice a change in
the signal. As far as whether it is worth it is up to the individual.
If a signal is 'fine', lowering it 3dB should not make it unusable. The
change should be noticable, but that's about all. Of course, that all
depends on the baseline of 'fine'.
Joe M.
Chris Peterson wrote:
>
> Many times I've read here that you can't hear the difference between 3DB.
>
> Many have used this argument to claim that an antenna with 3DB more gain is
> somehow not necessary, or that someone should only run 50 watts rather than
> 100 watts because nobody will know the difference.
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