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Entry  Fri Feb 19 15:12:38 2016, Koji, Summary, PEM, Guralp Health Check Guralp_Raw_PSD.pdflow_vel_comparison.pdfGuralp_TF.pdf
    Reply  Wed Mar 23 15:23:12 2016, Steve, Summary, PEM, Guralps as connected GUR_A.jpgGUR_B.jpgGUR_Interface_Box.jpg
       Reply  Thu Mar 24 08:20:52 2016, Steve, Update, PEM, Guralp-A calibration sheet 
       Reply  Fri Mar 25 19:17:28 2016, Nikhil, Update, PEM, Guralp Seismometers 16x
          Reply  Fri Mar 25 23:54:04 2016, rana, Update, PEM, Guralp Seismometers 
       Reply  Wed Aug 3 14:52:37 2016, Steve, Summary, PEM, Guralps as connected 
          Reply  Tue Aug 9 13:53:57 2016, babbott, Update, SEI, long Guralp EX cable repaired on the D-sub side 
             Reply  Tue Aug 9 19:35:49 2016, rana, Update, SEI, both Guralp seismometers are functioning and being acquired 1goodday.png
                Reply  Wed Aug 10 10:32:44 2016, Steve, Update, SEI, working Guralps as they are 6x
                   Reply  Fri Aug 12 14:37:34 2016, Steve, Update, SEI, working seismometers as they are eq_2.1m_Geysers_CA.pngeq2.1m_GeysersCA.pngoscillations.png
Message ID: 12048     Entry time: Fri Mar 25 23:54:04 2016     In reply to: 12047
Author: rana 
Type: Update 
Category: PEM 
Subject: Guralp Seismometers 

Something seems not right. The Guralp response should be flat in velocity from 0.05-30 Hz. Why is there any feature at 1 Hz? Saturation of some kind?

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