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Old October 9th 07, 09:42 PM posted to rec.radio.shortwave
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Default shielding


Aluminium Siding -and- Aluminium Screened Windows


Speaking of aluminum screen, I previously tried a little experiment.
Just one layer of screen isn't enough, if I make a cylnder of screen,
5-6 layers thick, then place my cell phone inside the signal is lost
completly. 2-3 layers cause loss of a few bars. I'm not sure if it
is a result of blocking the signal or just scrambling it.




 
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