Also ask him how the power company gets away with a single conductor on
the top of the power poles?
de Brian/K3KO
w8ji.tom wrote:
>
> Hi Dick,
>
> > Near as I can tell, the ground rod would add nothing. A friend of mine
> hotly
> > disputes the whole notion of an RF ground. His claim is that the earth is
> so
> > lossy that at the voltages we use, nothing much is going to flow into the
> > dirt. If it did, we wouldn't need the radials in the first place.
>
> Of course, we all know the world is both an insulator and flat.
>
> Ask him these questions.....
>
> 1.) If current can't flow in earth, then why do signals "reflect" off earth
> (and the dry rocky moon even)?
>
> 2.) If current can't flow in earth, why does height above earth affect
> antenna impedance?
>
> 3.) If current can't flow in earth, why can't we just lay our antennas
> right on the ground and work DX?
>
> 73 Tom
>
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