I would not attach a 20 ft mast to a chimney especially if you are going to put a 24 db grid on it, the windload on the antenna combined with the leverage of the 20 ft mast might break the chimney. I have seen older brick chimneys crumble with a 10ft mast and tv antenna on it. I would use a 30ft telescoping mast from radio shack or lowes and attach it to the roof on a tip up mount and use 3 sets of guy wires to secure it to the roof.
(better to be safe than sorry)
just my 2c
Clyde
At 08:32 AM 11/7/2003, you wrote:
Radio Shack has a chimney mount solution.
---------- Original Message ----------------------------------
From: "Derek Breiland" <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
Date: Fri, 7 Nov 2003 07:15:50 -0600
>Does anyone have any recommendations on a 20' mast or tower to attach to the the chimney of a house? There are several types and options out there and the best info is from people who have done it before. Any suggestions is much appreciated.
>
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