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[TowerTalk] Room For Shorty Above TH11

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Subject: [TowerTalk] Room For Shorty Above TH11
From: (Dean Norris)
Date: Wed, 02 Apr 1997 20:09:57 -0700
At 16:18 04/02/1997 -0800, you wrote:
>I will be using a 15 ft reinforced double-wall 2" mast on top of my 72 ft
>US Tower.  With a T2X turning it, I will have about 11 feet of the mast
>extending out of the tower.  I will be mounting a TH11 at the base of the
>Will I have enough room to stack a 2-el 40 meter shorty above the TH11?
>What is the minimum distance I need to stack the shorty above the TH11?
>How much room above the shorty do I need to allow for the shorty boom
>I know this would be an easy install if I had a 20 ft mast, but I'm curious
>if it is do'able with a 15.  ("No" is an acceptable answer.)
>Thanks for your collective wisdom.
>73, Dick

Hi Dick,

I am going thru the same thing and am putting a Rotatable dipole for 40 over
a TH11.  I have been told by various folks that 8 foot separation is
adequate and others say a minimum of 10 feet.  You should be ok in either case.

                  C. Dean Norris, K7NO             
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