PSN-L Email List Message

Subject: Magnests and coil for PVC seismometer & more
From: jonfr500@.........
Date: Mon, 2 Oct 2006 05:45:38 +0000

Hi all

My Gentoo Linux hard drive is dieing on me (it's not dead, it's giving erro=
rs), so I have to use webmail until I can replace it and get my system back=

I am going to start to build my PVC seismometer this month, what I am hopef=
ully going to buy this month are three things. Pair of magnets (no larger t=
hen 4 cm in diamater), a coil and a resistance (like they use in geophones)=
.. I need a suggestions on the magets, the coil and the resistance. The natr=
ual frequancy of the PVC seismometer is ment to be 1Hz, that is a good plac=
e for me to start.

J=F3n Fr=EDmann.

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