Re: Shielded rooms, faraday cages, etc.

• To: tesla-at-pupman-dot-com
• Subject: Re: Shielded rooms, faraday cages, etc.
• From: "Ruud de Graaf" <rdegraaf-at-daxis.nl> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Fri, 14 Apr 2000 17:32:43 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Hi Terri, Jim, All,

How would you explain the fact that surrounding the cell phone with Al foil
completely will do the trick? (try it out, it's probably in the kitchen,
watch the wife though) Without the Al shielding I had a S4 signal.

I'am pretty convinsed that Cu would be better to use than Al for shielding,
but how is it to explain that the copper ball does not shield enough? I
didn't have massive copper enough, but I tried very narrow copper mess
(copper 'rings' found in microwave tubes)without any result! The signal
stay'd S4. Was the copper ball massive, Terry?

Maybe my phone is not that sensitive as Jim suggests. I have a Nokia 3110
for about three years now.

I'am very glad with the answers, because I had already bought chicken mess
to use as RF shielding in my garage and I was afraid it would'nt help a bit.
Well even when it does not work out for the RF radiation, it shure will keep
the HV ware it belongs...

Greetings from MOTting Holland,

Ruud

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