Posted by C.a.b. Johnson on
URL: https://www.es-forum.com/RF-Shielding-Paint-from-Europe-tp3500186p3515277.html


--- On Wed, 11/16/11, S Andreason <[hidden email]> wrote:



Remember AM and FM radio are using very low frequencies, which
penetrate walls and metal. Not the same result as blocking microwave
frequencies.  Stewart

Stewart,

A radio is oftentimes used as a way to test to make sure a metal Faraday cage  is working.  If the radio cannot be heard inside of it then it is working,.  I was just using the radio as a way to say that my sleeping arrangement is not a Faraday cage. 

I have not used a canopy in order to test it, but would radio waves penetrate a grounded canopy that has a floor mat or would the material have to be more substantial? 


C. Johnson
Superdrove









 





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