Yes, and you will have plenty of cross modulation due to the very many lousy
connections between the different metal sheets. You have the same problems
receiving, as you will have the same cross modulation from near and far located
transmitters. Believe me, that's nothing you want to work with.
If you have a metal roof with everything soldered together we may have a
different animal but the way they are putting up metal roof by pressing the
metals together, no.
Hans - N2JFS
-----Original Message-----
From: Gary "Joe" Mayfield <gary_mayfield@hotmail.com>
To: 'towertalk reflector' <towertalk@contesting.com>
Sent: Wed, Aug 11, 2010 10:39 pm
Subject: Re: [TowerTalk] Multi-Band Vertical Question
Has anyone looked at installing one of a LARGE metal roof, and just using
the roof as the ground plane?
73,
Joe kk0sd
-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of Jim Brown
Sent: Monday, August 09, 2010 10:08 AM
To: towertalk reflector
Subject: Re: [TowerTalk] Multi-Band Vertical Question
On Mon, 9 Aug 2010 05:16:41 -0700 (PDT), GALE STEWARD wrote:
>(3) Install the 14AVQ as an elevated ground plane with the base up 16-20
ft.
>I would use 4 sloping radials for 20M which would double as guy wires. I'd
>then add two radials for 40M (these should also work for 15M) and two more
>for 10M.
While #1 is easier, I suspect that #3 will work better, because it gets the
antenna up in the clear, away from other conductors that absorb power (like
the wiring in your home, trees, etc.). When installing radials, I would
study
Rudy Severns' recent work on the topic. Google for N6LF to find his website.
73, Jim K9YC
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