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Message ID: 694     Entry time: Wed Oct 5 21:33:22 2011
Author: Frank 
Type: Notes 
Category: Seismic 
Subject: valve/regulator replaced 

had to replace one of the valves/regulators of the table. It started releasing air after a few minutes without any reason. Adjusting it a couple of times didn't fix the problem, after a few minutes at started again. After replacing it with a spare one everything works now fine. Tara measured the seismic noise with the Guralp of the floated and unfloated table and the effect on the beat signal which will be posted soon.

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