[TowerTalk] Vertical vs Yagi

[David Gilbert]

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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