Re: Wave guides for very low frequencies Hz-kHz

Efthimios <eangelopoulos@[EMAIL PROTECTED]
> wrote:
> On Sep 1, 11:55?pm, j...@[EMAIL PROTECTED]
 wrote:
>> Efthimios <eangelopou...@[EMAIL PROTECTED]
> wrote:
>>
>> >> It is not a waveguide unless the length is many wavelengths long.
>>
>> > You have already answered my question.
>>
>> > My guide is only 500 mm long, 300 mm wide 80 mm hight. My frequency
>> > was between Hz-kHz very long wave length. Much longer than my wave
>> > guide length.
>>
>> > Thanks.
>>
>> > Can you think any ways to block EM field (Hz-kHz range) exempt using
>> > standard matalic ****elding material????
>>
>> Other than a conductive enclosure such as a screen room or a metal
>> box, no.
>>
>> --
>> Jim Pennino
>>
>> Remove .spam.sux to reply.
> 
> Any other ideas????
> 
> Efthimios

Such as?

Lots of semi-conductive material like 1000 feet of dirt or a 100 feet
of sea water.


-- 
Jim Pennino

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