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Feeding Stacked TH-6s

To: <towertalk@contesting.com>
Subject: Feeding Stacked TH-6s
From: k1vr@juno.com (Fred Hopengarten)
Date: Tue, 26 Nov 1996 21:32:54 EST
From:
Fred Hopengarten, K1VR
Six Willarch Road * Lincoln, MA 01773-5105 * 617/259-0088
e-mail:  k1vr@juno.com
Big antennas, high in the sky, are better than small ones, low.


On Tue, 26 Nov 1996 18:10:52 -0500 (EST) Jeffrey Yeager
<jnyeager@southern.edu> writes:
>
>Getting ready to stack 2 TH-6s. 
>Am planning on have 2 identical lengths of RG-213 going from each TH6, 
>
>to a stack match.  What is the best way to connect the coax to the 
>TH-6s???
>I have 1 hygain balun and a balun of unkown history.  Have heard some 
>use
>ferritte beads on the coax (values unknown) Any specific solutions 
>that
>work?????
>
>73 Jeff KQ4HC
>jnyeager@southern.edu


Jeff:

        I have a three stack of TH6/TH6/TH7 (a TH19!).  I put five
Chomeric beads (the ones that just barely fit over RG-213) on the coax,
secured them in place with a tie wrap (so they wouldn't slide backwards),
and then put on a male UHF connector.  I plug the UHF connector into a
very small plastic box (which I've sealed with goop).  The box has an
SO-239 and two 1/4-20 stainless steel bolts.  As the bolts come out of
the box, there are two SS nuts:  one against the case and one to hold the
small wires (each with a ring tongue terminal) to jump to the SS bolt on
the gamma rod on the TH6DXX.

        Works fine.  Costs little.

                                        Fred K1VR 

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