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[TowerTalk] Another 2000' tower falls ...

To: <towertalk@contesting.com>
Subject: [TowerTalk] Another 2000' tower falls ...
From: twoway@scoden.ma.ultranet.com (Scott Bullock)
Date: Sun, 6 Apr 1997 13:34:23 -0400 (EDT)
Do you think I could fit this in my 100x150 lot and still get a permit??
Sound like the bands must have been dead today, or you've got way tooooo
much time on your hands    :)

73,
Scott 
KA1CLX/AA



At 10:48 AM 4/6/97 -0400, L. B. Cebik wrote:
>With all the discussion of falling 2000' towers, I got curious, just in
>case someone was planning to pick all the pieces and put one in the back
>yard.
>
>A 40-meter vertical dipole atop a 2000' tower will have a gain of abut
>7.55 dBi with lobes at 1, 3, 5, etc. degrees.
>
>Do not place your 20 meter Yagi at 2000'.  Try somewhere between 1740 and
>1860' feet instead.  Here is a little chart of models every 40' down from
>2000 for a 3-element Yagi with a free space gain of about 8.1 dBi:
>
>Height        Gain     Take-off angle
>2000          12.65     23 degrees
>1900          13.65     10
>1860          13.77      7
>1820          13.87      6
>1780          13.89      5
>1740          13.97      4
>1700          13.84      3
>
>Pick your angle and your gain, and only buy as much scrap tower as needed.
>
>-73-
>
>LB, W4RNL
>
>
>
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>
>


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