David Gilbert wrote:
> You say that non-reciprocal propagation (recognizing that neither of us
> is referring to the ionosphere here) is impossible even taking into
> account diffraction. If diffraction happens to cause energy to take a
> different path in the return direction than it took in the outgoing
> direction, why is non-reciprocal propagation not possible? Please
> explain without simply saying it is impossible.
Dave,
It seems to me that when you model station B (located at ground level
and fairly close to the hill) coming back at you, you are not producing
diffraction info that's relevant to a skywave coming back from a DX
station, which is hitting that hill from a completely different angle.
Steve K8LX
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