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Re: "Beats" observed without pinger!



Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>

Hi Jolyon,

The Tesla coil is a tuned resonant circuit and it is probably just picking 
up radio and random noise and filtering through the resonant 
frequencies.  If the noise where pure "white" noise you may be able to use 
it for some kind of testing but hard to say.

Cheers,

         Terry


At 09:37 PM 12/3/2002 +0000, you wrote:
>Tonight I connected oscilloscope probe to influence ring of my capacitive 
>transformer TC and observed a waveform with beats DESPITE the fact that no 
>excitation was supplied to the TC by ping tester or otherwise.
>
>While I make no claims on the usefulness nor validity of this observation 
>-since the earth clip of the probe was not properly attached- I would be 
>interested if anyone else has had similar experience of a TC exhibiting 
>resonance due to environmental influences (electromagnetic radiation) and 
>whether there is any use in this for testing purposes.