About the last question....
quite marginally if the antenna generates a field that's horizontally
polarized.
73,
Mauri
-----Messaggio Originale-----
Da: measures <measures@vcnet.com>
A: AMPS <amps@contesting.com>
Data invio: venerdì 8 ottobre 1999 22.35
Oggetto: Re: [AMPS] Ground rods?
>
> >
> >At 04:11 AM 10/8/99 -0700, measures wrote:
> >>
> >>>
> >>>I agree hundred percent of Rich's and Phil's opinions. A HF ground is
not
> >>>necessary for yagi (dipole) or quad antennas on towers. This only needs
a
> >>>good
> >>>lightning ground.
> >>>More important is a free area around the directional antenna. A moist
soil
> >>>will improve the reflected signals.
> >>>
> >>On the other hand, moist soil also improves reflections that result in
> >>cancellation.
> >
> >Nope to both.
> >
> >"The effect of ground reflection on antenna performance is dramatic.
>
> ? Would dry sand increase or decrease ground reflection over moist soil?
> >.......
>
> - Rich..., 805.386.3734, www.vcnet.com/measures.
>
>
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