[Lf] Front Royal Antenna

[Andre' Kesteloot]

Well (pun intended) why don't we try the wel, and then simply a rod in the
ground ?
Andre'

Frank Gentges wrote:

> Hi,
>
> Some discussion on the LOWfer mail reflector has been going on regarding
> the use of a well casing as a low resistance ground connection for LF.
> That is just what we are using on one end of the Front Royal antenna.
>
> The well casing may be connecting to the lower reaches of the ground and
> if the antenna is acting as a loop then the lower we reach the higher
> effective height of the loop.  On the other hand concentrating currents
> above ground or at the surface could reduce wave losses arising from
> waves launched under ground and travelling to the surface from under the
> ground.
>
> Frank K0BRA
>
> ---------- Forwarded message ----------
> Date: Sat, 29 Jan 2000 18:05:16 -0600
> From: Dick Carroll <dixie at townsqr.com>
> To: Dave Riley <daveaa1a at xensei.com>
> Cc: lowfer at qth.net
> Subject: Re: [Lowfer] antennas
>
> Dave Riley wrote:
> >
> > Hi Troops,
> >
> > Tried friends well pipe for ground many years ago when we worked CW
> > on 180khz  from Plymouth to here daily.
> >
> > His metalic well pipe made barely any difference in sigs compared
> > to the wires on the ground.  I bet if it was tuned seperately
> > then you may have a good 'image' plane.
> >
>
>  Guys, ther are lots of references in the literature that
> say a wllpipe is not a good RF ground, or antenna
> counterpoise, which needs to be at or near the surface to
> return antenna currents to the antenna. A wellpipe instead
> helps dissipate them into the earth, as a poor RF
> counterpoise would do. Use radials on or near the surface
> for best performance.
>  Use the wellpipe for your lightning ground, if you dare to
> risk the deepwell pump to the lightning...but it might be an
> expensive move. Deepwell electric pumps are often damaged by
> ligtning strikes that follow the service wiring down the
> well to the pump motor. I'd be trying
> to shunt the lightning to ground somewhere far from the
> house OR the well.
>
> 73, Dick W0EX
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