Cecil Moore wrote:
Gene Fuller wrote:
Sorry. I missed it because it is not there. They don't say any such
thing.

Yes they do - I distinctly remember reading it.
I will prove it to you as soon as I find my book.

I'm pretty sure it is in the section which discusses
the irradiance (power density) equation. It says the
total irradiance of two waves of the same magnitude
that are interfering can be up to four times the
irradiance of one wave.
--
73, Cecil http://www.w5dxp.com