Hi Geoff -

I know the USGS has ordered a large number of receivers from Guralp.  I
believe they are CMG 3 series, but I am not certain what sub series.  They
are part of a project which will place sensors all over the country in a
grid format, and then periodically move the sensors to another area.  

Bob Hancock
Three Points, AZ

-----Original Message-----
From: psn-l-request@.............. [mailto:psn-l-request@............... On
Behalf Of Geoffrey
Sent: Sunday, September 24, 2006 13:47
To: psn-l@..............
Subject: Re: Border Patrol Use Of Seismic Sensors



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