[Elecraft] Counterpoise vs ground wire ?

[Don Wilhelm]

Actually Ron, the pure form of "dipole" is an antenna with two ends, but 
typical usage refers to the half wavelength.
Yes, I did mean a 1/2 wavelength dipole - sorry for not being specific.

73,
Don W3FPR

On 7/1/2012 5:40 PM, Ron D'Eau Claire wrote:
> Note that Don said " RF Ground will be that point of zero RF voltage - in a
> balanced dipole, it will be present right at the middle of the center
> insulator."
>
> "Dipole" is the important word, meaning a radiator 1/2 wavelength long. A
> full wave center fed antenna (two half waves in phase) will have a voltage
> loop - high impedance point - at the center of the center insulator.
>
> As the center fed antenna is made shorter than a 1/2 wave, the impedance at
> the center also rises. Think of it as "stuffing part of the antenna down the
> feed line" to make up a 1/2 wave.
>
> 73, Ron AC7AC
>
>
>
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