PSN-L Email List Message

Subject: Re: geophones
From: Karl Cunningham karlc@..........
Date: Wed, 27 Jun 2001 17:32:25 -0700

I don't think so.  These units have an internal spring that balances the 
weight of the mass when vertical.  It will be in the stops if operated 

Conceivably, you could run a constant current through the coil to simulate 
gravity and look for changes in voltage across the coil as the signal, but 
I think it would probably burn out the coil in short order.


--On Wednesday, June 27, 2001 4:26 PM -0700 Casey Crane  

> Hi All,
>         I was wondering if any could tell me if I can use a geophone
> in a horizontal configuration . has a unit made by


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Larry Cochrane <cochrane@..............>