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Message ID: 6610     Entry time: Sun May 6 01:41:55 2012
Author: Den 
Type: Update 
Category: PEM 
Subject: seismic in x,y arms 

I locked x,y arms and measured coherence between POS{X,Y}11_I_ERR, MC_F and seismometer signals.

coh_xyf.png

Surprisingly, coherence between POSY and GUR1Y is low, but with GUR1X is relatively high. I wonder if this is due to MC that brings this x-axis noise to the arms.

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