PSN-L Email List Message
Subject: Re: Anyone seen this MS thesis: Improving a Geophone
Date: Fri, 1 Dec 2006 16:13:14 -0900 (AKST)
I should have known PSNers had seen this before. I'll see if I can't find
something new and post that! LOL.
> Hi Bob,
> This has been around for ages.
> I would give him high marks for effort.
> I wish that I could be equally enthusiastic about the
> themselves, or about his circuitry.
> The VLF noise level is high, but he does not seem to have
> this, or cured it.
> Chris Chapman
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