PSN-L Email List Message

Subject: RE: Modified sound card and datalogging and geophones
From: "Doug Crice" dcrice@............
Date: Mon, 18 Jul 2005 11:53:51 -0700


There was so much traffic on geophones that I thought you got an answer. =
best choice and the best price are those 4.5 Hz triaxial phones that =
has for sale.  You can pull the sensors out of the case if you want just =
elements. See

If for some reason you want new geophones, see

Used ones are also available from

Bottom line, buy Larry's.

Doug Crice
Wireless Seismic  
12996 Somerset Drive                phone 1-530-274-4445
Grass Valley,  CA  95945  USA    fax 1-530-274-4446

-----Original Message-----
From: psn-l-request@.............. [mailto:psn-l-request@............... =
Behalf Of Mike Speed
Sent: Monday, July 18, 2005 11:31 AM
To: PSN Mailing List
Subject: Modified sound card and datalogging and geophones

I installed some larger-capacitance-value coupling
capacitors on my 24-bit sound card so I could resolve
lower frequencies.  What is a good datalogging app to
use with this?

Also, I put out a request for geophones and got one
response and never heard anything back.  I am looking
for geophones - tell me about what you have -
dimensions - frequency, etc., and how much you want
for them.



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