TopBand: Shunt Fed Tower Question

km1h @ juno.com km1h@juno.com
Mon, 24 Nov 1997 10:19:04 EST


On Mon, 24 Nov 1997 08:58:34 -0500 Bill Gibbons
<wjgibbon@mailbox.syr.edu> writes:
>Easy question for the experts.  Why isn't there ever any mention of
>extending the electrical length of shunt fed towers with horizontal
>wires off the top?  Wouldn't this be quite similar to the inverted L
>idea?   I have a 54 foot tower with a WARC yagi and TH6 at the top. I
>presently shunt feed it with an omega match.  Would I improve its
>performance by adding a 50 foot or so horizontal wire from the top??
>Thanks,  Bill  K2TQC

Been mentioned several times Bill.
Doug DeMaw had an article on that ages ago and he even included a trap
for 80M. A point he made was that with short towers it was advantageous
to matching bandwidth to have the assembly reasonant at 1/4 wave. 

73   Carl   KM1H

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