[RFI] GB> Re: [BOATANCHORS-TEMPE] Solid state 5R4's

Tom Rauch w8ji at contesting.com
Wed Dec 6 12:35:28 EST 2006


> Does the paraffin have a limited useful life in this
> application?
>
>> If the tube base is potted (filled) with paraffin 
>> surrounding all the
>> diodes inside. 73 de Bob, N3LKL

Nonsense. Electric and magnetic fields pass right through 
insulators. Only a closed Faraday cage or other suitable 
hardening would work, not that EMP protection means anything 
anyway.

73 Tom 




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