Quote:
Originally Posted by Sean_Goddard
Looking at the probe I'm thinking of a way to detect anomalies in the surrounding voltage field of possible targets. If you chop the input to the primary at say 59KHz (I think you said that was a Gold frequency) then have a narrow band filter on the secondary, you could monitor the AVERAGE field and look for slight changes. This may work as a detection method, but it is NOT psuedo science, this is hard physical. An Electronics Engineer would be able ot make such a device in a few hours.
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First time I use 300 Khz with other coil, no tune capacitor used here, but frequency was 300 Khz. At this frequency I found cigarette paper and other junk. But at 59.5 Khz don't occurs this, and can't asure that this is the gold frequency, but at this frequency other "bad" metals are rejected. Maybe because at 300 Khz more great variation of frequency is noticeable, but at 59.5 Khz the variation is low at presence of these "bad" metals, so detection doesn't occurs.