Richard Harrison wrote:

Someone wrote:
"The energy in canceled waves is why the forward power is often greater
than the source power."

Bird says:
"Power delivered to and dissipated in a load is given by:

Wl = watts into load = Wf - Wr"

Best regards, Richard Harrison, KB5WZI

Good point, Richard. Wf = Wl + Wr. Amidst all this consternation
about conserving the energy in canceled waves, we should not lose
sight of the fact that it is *reflections* (not canceled waves) which
cause forward power to measure greater than power dissipated in the
load.

ac6xg