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Re: [TowerTalk] Metal Roof

To: towertalk reflector <towertalk@contesting.com>
Subject: Re: [TowerTalk] Metal Roof
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Thu, 11 Jan 2018 11:19:24 -0800
List-post: <mailto:towertalk@contesting.com>
Probably something like that, but it's not my expertise -- you'll have to take that up with someone who knows the metal being used and how to properly bond it.  I'd start with the roofer, but don't expect much more than a blank stare.

73, Jim K9YC

On 1/11/2018 11:10 AM, Kent Olsen wrote:
Jim

How would one "bond" a metal roof joint? The joints crimped together all
along the joint?

Thanks
73
Kent
N6WT

On Thu, Jan 11, 2018 at 10:59 AM, Jim Brown <jim@audiosystemsgroup.com>
wrote:

Hi Skip,

The "interference" is probably passive intermod (rectification at one or
more joints in that roof) that is generating a spur on the input frequency
of the repeater.  If this is the cause, the joint(s) must be bonded at
multiple points.

73, Jim K9YC

On 1/11/2018 10:29 AM, Gilbert Kauffmann wrote:

   My repeater is desensed.


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