On Jul 23, 4:52*pm, dxAce wrote:
That theory was expounded upon by I think John Bryant and another fellow in one
of Fine Tunings Procedings issues (sorry, I no longer have them) back in the
late 80's or early 90's.

I've not believed in radio signals making 'hops' for a very long time as it
simply does not make sense.

Yes indeed Prof. John Bryant does expound this view (ducting), but I
don't think he invented the theory.

It was expounded a long time ago by the 160m hams in ON4UN John
Devoldere's book "Low -Band DXing"

JP