PSN-L Email List Message

Subject: Re: Seismometer for Central Illinois
From: jonfr500@.........
Date: Sun, 8 Oct 2006 15:02:03 +0000

Hi

A 4.5Hz geophone would work fine for you. Your local noise pickup would be =
a bit hig (depending on car traffic and other things).

I use 4.5Hz geophone and it works great for me. See the plot here http://ea=
rthquakes.jonfr.com

Regards.
J=F3n Fr=EDmann.
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