PSN-L Email List Message
Subject: FMES seismomoter
From: Angel sismos@..............
Date: Tue, 18 Oct 2005 04:30:13 -0500
The can in the corner is a Geodevice broadband 40 to .05 Hz. The PVC
thing in the foreground is a "Dave Nelson" invention being tested and
it compares very well. No moving parts except the "water" in the
Take a look at these two traces. Which are filtered 5 seconds to 1
One is the commercial BB and the other is the PVC "FMES".
I'll bet your next question is "What is under the black insulation?"
Not much. Dave is working up a more detailed write up but he hates to
Monday, October 17, 2005, 2:14:55 PM, you wrote:
> Sorry I can't help you with the leveling screws. However, I looked at your
> vault photos. In the center of Vault2.jpg, against the wall, is a device
> made of pvc covered with black insulation -- what is it?
> Timothy Carpenter
> -----Original Message-----
> From: psn-l-request@..............
> [mailto:psn-l-request@............... On
> Behalf Of Angel
> Sent: Monday, October 17, 2005 8:03 AM
> To: Larry Cochrane
> Subject: good leveling screw source
> I have spent a good hour looking on the web for some nice leveling
> screws with no luck. Does anyone on the list have a source.
> Something with a high thread count and a point so the thing does not
> walk when you turn it.
> Here are some pictures of my new vault. Everything is connected to my
> house with TCP/IP.
> Public Seismic Network Mailing List (PSN-L)
> To leave this list email PSN-L-REQUEST@.............. with
> the body of the message (first line only): unsubscribe
> See http://www.seismicnet.com/maillist.html for more information.
Public Seismic Network Mailing List (PSN-L)
[ Top ]
[ Back ]
[ Home Page ]