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Re: [TowerTalk] Faraday Cage

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Faraday Cage
From: "Dan Zimmerman N3OX" <n3ox@n3ox.net>
Date: Sun, 1 Jun 2008 13:44:29 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
>The idea of something less than the tightly closed
>copper mesh room still intrigues me - - IF the spacing is not too small.? 
>Doorways and
>A/C ducts probably pose the biggest problem to a "cheapo" room.

You also have to consider the routing of cables "inside" the room.

Depending on where you put your wiring inside, even if it doesn't
"break the plane" of the mesh, it will pick up more or less signal
from the outside.  At a given frequency, the distance from the walls
will matter as will the exact places the wire ends inside.

Of course, a cable that actually enters through the wall is an
excellent conduit for energy to get inside, but even ones close to the
openings (in terms of a fraction of the opening size) will couple more
to the outside.

Dan
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