"Alfred Lorona" wrote in
:

Is there a site that explores/explains the latest theories on one way
propagation? The ARRL antenna book is not much help on the subject.

Propagation is pretty usually reciprocal. What SEEMS to be one way
conditions is usually the result of high noise (QRN or man-made) audible at
one end of the path, but not the other. I can't even remember any instance
of GENUINE one-way propagation, though I'm sure it occasionally happens.

--
Dave Oldridge+
ICQ 1800667