From sung@phys.lsu.edu Mon Jul 16 13:01:34 2007
Date: Mon, 16 Jul 2007 12:00:23 -0500
From: Myungkee Sung <sung@phys.lsu.edu>
To: Brian O'Reilly <irish@ligo-la.caltech.edu>, Gabriela Gonzalez <gonzalez@lsu.edu>, Michael Landry <landry_m@ligo-wa.caltech.edu>
Cc: Calibration <calibration@relativity.phys.lsu.edu>
Subject: [Calibration] No calibration DQ(?)

Hello,

I have tried to check the calibration channels, EXC and DARM_CTRL, AS_Q, to
find out when any of those channel has zeros.
This is done because the burst group found some segments on April 10, 2006
without calibration lines and
I realized that this was not really tested when the calibration coefficients
are calculated.
I went through files I have and found a few more segments with no
calibration mostly from awg issues.
I put the result from this check in

   http://ligo.phys.lsu.edu/sung/Factors/S5/S5_NoCalib.html

where I have proposed lists of a new DQ flag, 'NoCalib'.
Please take a look at it and let me know it is a proper way to do.
If we agree, we can ask Keith to add this to his DQ list.

Regards,
Myungkee
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