Re: ELF detector
From: Tim Shoppa (shoppa_at_trailing-edge.com)
Date: 09/25/04
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Date: 25 Sep 2004 10:15:53 -0700
gemlover@tampabay.rr.com (Larry) wrote in message news:<13667c89.0409242355.764c64f2@posting.google.com>...
> Hello,
>
> I was hoping someone could send me in the right direction to find
> information on a low frequency detector.
> Either a low cost purchased unit, or the schematics to build one.
> I am trying to detect in the 0- 30Hz range.
> I appreciate any info, Larry
A 100W light bulb does a good job for me. Its sensitivity extends
all the way to 60Hz, in fact.
Tim.
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