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ID Date Author Typeup Category Subject Text Attachments
  1412   Fri Mar 20 12:07:19 2009 YoichiConfigurationASCETMY beam centeringI forgot to put this in the elog.
Last Sunday night, I centered the beam on
the ETMY because it was too low.
  
  1418   Mon Mar 23 15:50:44 2009 ranaConfigurationLSCfilters deleted, lsc rebootedThe LSC time had gone too high. I deleted
~20 filters and rebooted. CPU time came down
to 50 usec.
  
  1421   Tue Mar 24 13:10:07 2009 AlbertoConfigurationPSLnew mirror installed on the AP tableNew flipping mirror installed on the AP
table on the beam path to the REFL199 PD.
If you're missing the double demod
  
  1442   Mon Mar 30 12:29:17 2009 YoichiConfiguration MC1 glitches not seen during the weekendThe attached is the MC trend for the past
12 hours.
There is no MC1 glitches in the OSEM signals.
 MC_drift.pdf 
  1443   Mon Mar 30 12:46:36 2009 YoichiConfigurationIOOIOO QPDs were missing the beamWhen I re-locked the MC, I wanted to check
the trend of the IOO QPDs to see if the input
beam pointing has changed.
 IOO-QPDs.pdf 
  1446   Mon Mar 30 17:02:46 2009 YoichiConfigurationGeneralAP OSA alignedI aligned the AP OSA, which had been mis-aligned
for a while.
  
  1457   Tue Apr 7 21:39:57 2009 YoichiConfigurationComputersLSC code recompiled with a fix for denormalization problemThis is not my work but I will put it for
the record.
  
  1459   Wed Apr 8 09:36:20 2009 steveConfigurationVAC valve condition changed to BG to calibrate the RGAVacuum
normal valve condition was changed to accommodate
SRS-RGA calibration.
  
  1460   Wed Apr 8 18:18:33 2009 ranaConfigurationComputersLSC code recompiled with a fix for denormalization problemBelow is the link to the anti-denormalization
technique that Rolf and Alex implemented
at the sites,
  
  1461   Wed Apr 8 18:46:50 2009 ranaConfigurationGeneralDMF, SVN, x2mc, and matlabWhile waiting for the installation of the
32-bit Matlab 2009a to finish, I tried updating
our seisBLRMS.m code.
  
  1474   Sun Apr 12 01:19:30 2009 YoichiConfigurationComputersNew FE codes for suspensions not successfulAlex recompiled the suspension FE codes for
c1susvme1 and c1susvme2 to fix the denormalization
problem.
  
  1483   Wed Apr 15 02:18:42 2009 ranaConfigurationComputersnodus vfstab changed for rigelnodus was hanging because it was trying
to mount the 
  
  1486   Wed Apr 15 11:25:21 2009 steveConfigurationVAC RGA cal completed

    
        
 rga-090415-bg-d7-cald2.png 
  1492   Thu Apr 16 17:48:00 2009 YoichiConfigurationComputer Scripts / ProgramsAutoDTTAs Peter mentioned in his entry on the last
night's locking, I imported AutoDTT from
Hanford.
  
  1494   Fri Apr 17 11:37:32 2009 YoichiConfigurationComputer Scripts / ProgramsAutoDTTIn order to get test point data with AutoDTT,
you have to pre-trigger test points you want
to use.
  
  1498   Mon Apr 20 05:18:42 2009 YoichiConfigurationLockingFM6 and FM10 of LSC-MC were restoredDuring tonight's locking work, I realized
that FM6 and FM10 (both resonant gains around
20Hz) were actually activated by cm_step.
  
  1502   Mon Apr 20 19:51:51 2009 JenneConfigurationPSLPMC has new Level 13 Mixer installedThe new Level 13 mixer on the PMC servo
board is installed (minicircuits SRA-3MH).  
Since the RF output of the LO board was ~16dBm,
 PMColg20Apr2009.png 
  1503   Mon Apr 20 20:00:44 2009 ranaConfigurationIOOMcWFS gains re-allocatedSince it looks like the night time people
have been running with a WFS gain of 0.05
and I like the slider
  
  1504   Mon Apr 20 20:45:25 2009 ranaConfigurationGeneralSVN: project area addedI added the [B]/cvs/cds/project/[/B] directory
to the SVN. I've noticed that we've been
using target/ for code which is not
  
  1507   Wed Apr 22 11:16:26 2009 steveConfigurationVACCryo pump is ON and the Maglev is deadThe
CRYO pump cooled down and VC1 was opened.
This
 cryoOn.jpg 
  1520   Sat Apr 25 00:45:31 2009 YoichiConfigurationVACReflector for the cryopump temperature monitor changedThe temperature of the cryopump head is monitored
by a photo switch looking at an aluminum
foil reflector attached to the needle of
  
  1521   Sat Apr 25 02:54:25 2009 YoichiConfigurationVACReflector for the cryopump temperature monitor changed[quote]The temperature of the cryopump head
is monitored by a photo switch looking at
an aluminum foil reflector attached to the
  
  1524   Mon Apr 27 18:31:44 2009 steveConfigurationVACVC1 closedCC1 5e-7 Torr,  VC1 closed at 18:25, 
IFO is not pumped, RGA is in bg-mode
 
  
  1525   Tue Apr 28 01:48:45 2009 peteConfigurationVACVC1 openAt about 1am or so Yoichi and I opened
VC1.  CC1 had fallen to about 5e-5 torr.
  
  1527   Tue Apr 28 09:27:32 2009 steveConfigurationVACcryopump deserves some creditCongratulation Yoichi and Peter for full
rf locking at night. Let's remember that
the cryopump was shaking the hole vac envelope
 cryfl.jpgseiscryofl.jpg 
  1551   Wed May 6 16:56:35 2009 rana, alex, joeConfigurationComputersdaqd log, cront, etc.While Alex came over, we investigated the
log file problems with DAQD and NDS on FB0.
There was a lot of
  
  1554   Thu May 7 12:21:36 2009 josephb, alexConfigurationComputersfb40m Having determined that Rana (the computer)
was having to many issues with testing the
new Raid array due to age of the system,
  
  1555   Thu May 7 15:22:19 2009 josephb, albertoConfigurationComputersfb40m


   
        
            
  
  1556   Thu May 7 17:59:23 2009 AlbertoConfiguration MC WFSThis afternoon the MC could not get locked.
I
first checked the Osems values at the MC
mirrors and compared them to the trend of
  
  1601   Mon May 18 19:44:52 2009 rana, steveConfigurationVACCryo Pump turned off and valved off: 1 beer can onlyI was seeing some excess noise in the ETMY
oplev yaw and so we turned off the cryo and
restarted c1vac2 to get the turbo pump channels
  
  1602   Mon May 18 20:16:20 2009 ranaConfigurationVACnot itThere was essentially no change in the ETMY
oplev spectrum with the cryo off!
 a.png 
  1603   Mon May 18 21:34:18 2009 ranaConfigurationSUSETMY f2pRatio script runNow that the ETMY optical lever is not so
bad, I ran the f2pRatio script and it seems
to have worked.
  
  1604   Tue May 19 09:34:29 2009 steveConfigurationVACIFO is not pumped & CRYO is being regeneratedMorning Vacuum condition: IFO is not being
pumped, P1 pressure is 1.8 mTorr and rising
(see P1 pressure plot of 100 min ).
 cryoreg.jpgcryo30d.jpg 
  1605   Tue May 19 12:30:41 2009 robConfigurationSUSETMY f2pRatio script run[quote]Now that the ETMY optical lever is
not so bad, I ran the f2pRatio script and
it seems to have worked.
 f2ademo.png 
  1609   Tue May 19 16:18:45 2009 steveConfigurationVACIFO pressure is 4.2e-7 Torr with CRYO pump[quote]Morning Vacuum condition: IFO is not
being pumped, P1 pressure is 1.8 mTorr and
rising (see P1 pressure plot of 100 min ).
  
  1615   Thu May 21 12:58:32 2009 robConfigurationALARMPEM count-half disabledI've disabled the alarm for PEM_count_half,
using the mask in the 40m.alhConfig file. 
We can't do anything about it, and it's just
  
  1619   Fri May 22 00:43:24 2009 robConfigurationComputer Scripts / ProgramsIFO configure scripts for XARM and YARMI edited the configure scripts (those called
from the C1IFO_CONFIGURE screen) for restore
XARM and YARM.  These used to misalign
  
  1632   Sat May 30 11:24:56 2009 robConfigurationPSLNPRO slow scanI'm setting SLOWDC to about -5.
I had to edit FSSSlowServo because
it had hard limits on SLOWDC at (-5 and 5). 
 slowSCAN.png 
  1637   Mon Jun 1 14:33:42 2009 robConfigurationComputer Scripts / Programsop540m Monitor added to web statusI added op540m's display 0 (the northern-most
monitor in the control room) to the MEDM
screens webpage: https://nodus.ligo.caltech.edu:30889/medm/screenshot.html
  
  1642   Tue Jun 2 23:12:08 2009 robConfigurationComputersntp on op440mI restarted ntpd on op440m to solve a "synchronization
error" that we were having in DTT. 
I also edited the config file (/etc/inet/ntp.conf)
  
  1650   Thu Jun 4 01:32:20 2009 robConfigurationLSCAS port mode scanHere is a set of mode scans of the AS port,
using the OMC as a mode scanner.  The
plot overlays various configurations of the
 modes.png 
  1671   Fri Jun 12 09:56:38 2009 steveConfigurationVACnew maglev installedJoe and Steve
 
The retrofitted Osaka 390 was installed
 m390pd.jpg 
  1672   Fri Jun 12 15:34:49 2009 steveConfigurationVACmaglev is running


   
        
            
  
  1673   Mon Jun 15 15:17:33 2009 josephb, SteveConfigurationVACVacuum control and monitor screensWe updated the vacuum control and monitor
screens  (C0VAC_MONITOR.adl and C0VAC_CONTROL.adl). 
We also updated the /cvs/cds/caltech/target/c1vac1/Vac.db
  
  1674   Mon Jun 15 16:31:36 2009 steveConfigurationVACRGA is scanning new Maglev


   
        
            
  
  1677   Tue Jun 16 09:02:30 2009 steveConfigurationVACnew maglev RGA scanThe maglev fore line pressure is 3e-6 torr
at CC2 after 4 days of pumping. Varian turbo
V-70 is pumping on it through V4 and VM2
 nmagd4scan.jpgnmagd4.jpg 
  1682   Wed Jun 17 01:07:50 2009 robConfigurationComputersmatapps on /cvs/cdsI checked out a copy of matapps into /cvs/cds/caltech/apps/lscsoft
so that I could find the matlab function
strassign.m, which is necessary for some
  
  1686   Fri Jun 19 13:38:42 2009 AlbertoConfigurationComputerselog rebootedToday I found the elog down, so I rebooted
it following the instructions in the wiki.
  
  1688   Fri Jun 19 14:30:47 2009 AlbertoConfigurationComputerselog rebooted


   
        
            
  
  1689   Sun Jun 21 00:08:26 2009 ranaConfigurationComputerselog rebooted 
nodus:log>dmesg
  
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