On Fri, 22 Dec 2006 07:46:15 GMT, Owen Duffy wrote:

I have seen this advice from time to time, and having done some back of the
envelope calcs, I wonder at the accuracy of it.

Hi Owen,

It sounds like sophistry. In years past when the FCC was more
vigorous in chasing spectrum trash, they would have nailed this down
for the transmit side. Even barring that argument, nearly every piece
of gear produced in the past 30 years has a built in SWR meter. Any
IMD from those (and, by abstraction, external units) is probably 50dB
to 60dB down.

73's
Richard Clark, KB7QHC