[TowerTalk] mast intrusion into tower

[K7LXC@aol.com]

In a message dated 1/13/01 1:05:13 AM Pacific Standard Time, 
alwilliams@olywa.net writes:

> I am planning to put a 11 sq ft windload antenna at the top of a 20' Chrome
>  mast that will bolt to a
>  Orion 2800 rotator sitting inside the LM470 tower.  The antenna to be is a
>  Force12 Magnum 2/2
>  for 80 & 40 so I want as much height as can be safely achieved.
>  
>  I will appreciate comments on how far to insert the mast and also whether
>  the 80-85 foot height
>  is adequate for the 80 beam.

    My suggestion is have 1/3 of the mast in the tower.

Cheers,     Steve    K7LXC
Tower Tech 

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