[TowerTalk] Faraday Cage

Roger (K8RI) K8RI-on-TowerTalk at tm.net
Sat May 31 22:01:22 EDT 2008


warrenwolff at aol.com wrote:
> This cage idea has always intrigued me.
>
> The copper mesh may be the cheapest and easiest way
> to accomplish such an arrangement, BUT, it there a 
> maximum mesh size?
>   
When I worked as a technician my whole work area was a double walled 
screen room considerably larger than my whole ham shack. With the door 
latched you could not hear or even detect the signal from a 5W HT within 
a foot of the outside wall on an analyzer.

However, remember the Faraday cage is an electrostatic shield, not a 
magnetic one. How well would it protect from the field produced from a 
few thousand (or more) amps?  I have no idea.

73

Roger (K8RI)
> It seems that one might find it just as effective to run
> a? "nest" of copper wires, say 3 feet (or other) apart
> and accomplish the same thing.
>
>
> Warren; W7WY
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