RE: faraday cage questions (fwd)

["High Voltage list" <hvlist@xxxxxxxxxx>]

Original poster: Steven Roys <sroys@xxxxxxxxxx>



---------- Forwarded message ----------
Date: Fri, 29 Dec 2006 09:10:19 -0800
From: Jim Lux <jimlux@xxxxxxxxxxxxx>
To: High Voltage list <hvlist@xxxxxxxxxx>
Subject: RE: faraday cage questions (fwd)

At 07:50 AM 12/29/2006, you wrote:
>Original poster: Steven Roys <sroys@xxxxxxxxxx>
>
>
>
>---------- Forwarded message ----------
>Date: Thu, 28 Dec 2006 18:11:55 +1300
>From: G. Tyler <gtyler@xxxxxxxxxxxxxxx>
>Reply-To: georgetyler@xxxxxxxxxx
>To: 'High Voltage list' <hvlist@xxxxxxxxxx>
>Subject: RE: faraday cage questions (fwd)
>
>I have made one with 12 X 24mm (approx) weld mesh. Attenuation was about 15
>db at 300Mz, will be less as the frequency increases. Why not build it out
>of copper sheet, it could be thin and will be more effective?


Because you can't see through it?


Actually, depending on what you're shielding for (e.g. magnetic 
fields), steel might actually work better.