Sorry ... I missed that. I even searched through the archives to check,
but apparently I overlooked Bill's post.
73,
Dave AB7E
Paul Christensen wrote:
>> and I'm really surprised that nobody so far has referenced the
>> gyro-frequency effect espoused by propagation expert NM7M and others.
>>
>
> David,
>
> Bill, W4ZV referenced this effect early in the discussion:
>
> "This problem has to do with something called magnetic coupling
> (or polarization) loss. This primarily affects 160m which is closest to
> the gyro-electron frequency which varies from about 0.7-1.7 MHz worldwide
> depending on the intensity of the magnetic field)."
>
> Paul, W9AC
>
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