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[TowerTalk] Another 2000' tower falls ...

To: <towertalk@contesting.com>
Subject: [TowerTalk] Another 2000' tower falls ...
From: w5ec@digitalexp.com (Hawkins, Bill)
Date: Sun, 6 Apr 1997 13:39:46 -0500
I always heard "When the horse is dead, get off!".

Bill W5EC

At 01:34 PM 4/6/97 -0400, you wrote:
>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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>


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