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[TowerTalk] The Ultimate One Tower System

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Subject: [TowerTalk] The Ultimate One Tower System
From: (Fred Hopengarten)
Date: Thu, 16 Dec 1999 10:04:16 EST
Fred Hopengarten  K1VR               781/259-0088
Six Willarch Road
Lincoln, MA 01773-5105
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On Thu, 16 Dec 1999 15:34:36 +0100 writes:

> For 40m an
>elevated wire 4sq is planned to be hung down from catenary ropes 
>coming down from the tower.

>73 de Zoli HA1AG 


        I have BOTH a ground mounted 4SQ and a 40-2CD at 90 ft. on a
RingRotor for 40 meters.  To EU, the 4SQ is ALWAYS  10 to 15 dB DOWN from
the Yagi. To JA Long Path (over Africa) they are the same. The problem is
that on 40 meters, the 4SQ angles are too low. From EU to USA, consider a
pair of wire delta loops, because, by choosing the feed point and height,
you can select the take-off angle you want.

                                        -- Fred K1VR


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