A shunt fed tower requires radials period. It cannot work without them!
73,
John, W4NU
Sent from my iPhone
> On Sep 15, 2018, at 1:55 PM, <daraymond@iowatelecom.net>
> <daraymond@iowatelecom.net> wrote:
>
> It makes no difference how the tower is fed, a vertical antenna must have
> radials of some kind to be effective. 73. . .Dave, W0FLS
>
> -----Original Message----- From: cfytech24x7
> Sent: Saturday, September 15, 2018 11:29 AM
> To: topband@contesting.com
> Subject: Topband: Use shunt fed tower
>
> A shunt fed tower is a vertical antenna so it offers lowest take off angle.
> Shunt feeding avoids need for radial field. Any horizontal wire antenna is
> going to put most of your radiated energy out at high angles, unless you can
> get it at least a half wavelength of height. A loop may be a quieter antenna
> for RX but your existing inverted Vs are no doubt better for TX.
> There is some art and experimentation involved in the matching but the
> results will be worth the effort. I would start with your highest antenna
> for top band, next highes for 80m. Note that your yagis will act nicely as
> capacitive hats to add to effective tower hight.
> Gl es 73, ab1vl chuck
>
>
>
>
> Sent from my Galaxy Tab® A
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