[Lf] Front Royal Antenna

[Frank Gentges]

Andre'

Yes.  How about some hex netting (AKA "chicken wire") rolled out for a 
hundred feet or so?  I've got some to use.

Frank K0BRA


On Sat, 29 Jan 2000, Andre' Kesteloot wrote:

> 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
> > To unsubscribe, send to MAJORDOMO at qth.net "unsubscribe lowfer" (Do not
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> >
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> 
>