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  40m Log, Page 334 of 341  Not logged in ELOG logo
ID Date Author Typedown Category Subject Text Attachments
  9762   Sat Mar 29 00:11:39 2014 KojiConfigurationGeneralNTP setting on nodusFB: /etc/ntp.conf was updated as
below such that it refers nodus and also
caltech server when nodus is not available
  
  9808   Mon Apr 14 17:59:05 2014 JenneConfigurationPEMNew T-240 cableAs payment for borrowing 2 of our seismometers,
Zach has made us a new Trillium cable, to
go from the granite station to the readout
  
  9835   Mon Apr 21 22:32:33 2014 ranaConfigurationGeneralnetgpibdata is working again nowNot working again. I tried the commands
in Koji's elog as well as the ones from my
notes, but the AG 4395 hooked up to the yellow
  
  9851   Thu Apr 24 22:39:14 2014 ranaConfigurationGeneralnetgpibdata is working again now

    

       
            
 out.pdf 
  9866   Mon Apr 28 11:03:57 2014 KojiConfigurationLSCNew ALS servo implemented for the X armThe
new ALS/LSC servo was implemented for the
X arm.
  
  9874   Tue Apr 29 01:10:16 2014 KojiConfigurationLSCNew ALS servo implemented for the X armNew ALS servo performance
Attachment 1:
Comparison between the old (
 ALSX_SPE.pdfALSX_PDH_SPE.pdf 
  9875   Tue Apr 29 10:01:25 2014 KojiConfigurationGeneralnetgpibdata is working again nowI've moved the WB network analyzer to the
OMC lab. The 40m network analyzer is not
in service for the MC monitoring.
  
  9877   Wed Apr 30 00:40:55 2014 manasaConfigurationLSCY arm IR lock troubleshooting[Koji, Manasa]
The
  
  9897   Fri May 2 01:58:52 2014 ranaConfigurationComputer Scripts / ProgramsupdateDB configured to index NFS during CRON dailyI wanted
to use locate to find some files today, but
  
  10019   Tue Jun 10 11:54:36 2014 ZachConfigurationWikiDokuWikis are still downNot sure if someone is already on this,
but the nodus DokuWikis are still down (AIC,
ATF, Cryo, etc.)
  
  10021   Tue Jun 10 19:11:27 2014 EvanConfigurationWikiDokuWikis are back upAs of this writing, the DokuWiki   
  10022   Wed Jun 11 05:16:14 2014 ZachConfigurationWikiDokuWikis are back upIt looks like auth is broken on the AIC
wiki (though working fine on ATF and Cryo).
  
  10024   Wed Jun 11 10:15:15 2014 EvanConfigurationWikiDokuWikis are back up

    

       
            
  
  10029   Wed Jun 11 20:09:37 2014 ZachConfigurationWikiDokuWiki situationI have been looking into the DokuWiki
situation, with no great progress so far.
The problem is with authentication.
  
  10129   Fri Jul 4 09:17:13 2014 AkhilConfigurationElectronicsSetup Used for Characterization of Frequency Counter Goal:
To
 setup.pdf 
  10132   Mon Jul 7 09:46:00 2014 SteveConfigurationSUSall sus damping restoredAll suspension damping restored. There
had to be an earth quake.
 6.9MagMexico.png 
  10134   Mon Jul 7 11:02:22 2014 manasaConfigurationGeneralIFO status post earthquake

    

       
            
  
  10137   Mon Jul 7 13:56:13 2014 AkhilConfigurationElectronicsSetup Used for Characterization of Frequency CounterWhen I was trying to plot PSD of the measurements,
I still couldn't get better resolution. There
still seems to be a problem with timing and
 FreqVsTime.pngMissing_Data.png 
  10163   Wed Jul 9 12:01:43 2014 AkhilConfigurationElectronicsSetup Plan for placing the Frequency Counter inside the labToday, me and Manasa went inside the lab
to figure out a place for the place for the
FC. The whole setup will be placed in a chassis
 setup.pngSetupFC.png 
  10178   Thu Jul 10 17:53:19 2014 AkhilConfigurationComputer Scripts / ProgramsEPICS installed on Raspberry Pi I finished the installation of EPICS   
  10366   Mon Aug 11 23:50:38 2014 ranaConfigurationWikiDokuWikis are back up

    

       
            
  
  10392   Thu Aug 14 19:33:00 2014 JenneConfigurationIOOMoved MC2 spotLast night, and again just now, I used
the ./MC2_spot_[direction] scripts to center
the MC2 spot on the trans QPD.  The
  
  10418   Thu Aug 21 02:42:17 2014 rana, ericqConfigurationGreen LockingGain changes on Green Y PDH[rana, ericq]
We spent time trying to relieve the
Yend green PDH of it troubles. 
 TEK00002.PNGTEK00003.PNG 
  10420   Thu Aug 21 19:04:52 2014 ericqConfigurationGreen LockingGain changes on Green Y PDHI found that the barrel of one the BNC
to BNC connectors used for getting the output
of the PDH servo box to the laser controller
 TEK00005.PNG 
  10430   Tue Aug 26 23:16:49 2014 ericqConfigurationGreen LockingGain changes on Green Y PDH Yesterday I measured the spectra
and OLTF of the Y-Arm green PDH, after the
LO touch-up and 60Hz hunt from last week.
 Ytfs.pdfpdhComparison.pdfnewY.zip 
  10445   Wed Sep 3 14:07:18 2014 ranaConfigurationGeneralnetgpibdata is working again now

    

       
            
  
  10660   Sat Nov 1 02:13:11 2014 KojiConfigurationLSCLSC settingsI'm leaving the iFO now. It is left with
the IR arm mode.
I pretty much messed up LSC configurations
  
  10661   Sat Nov 1 16:06:32 2014 KojiConfigurationLSCDRMI lockedContinued from ELOG
10659 

 6x 
  10690   Sat Nov 8 16:01:32 2014 ericqConfigurationLSCDRMI sensingHere are some preliminary results from
the sensing sweeps I did the other night. 
Notes:
 6x 
  10693   Mon Nov 10 18:23:10 2014 ericqConfigurationLSCDRMI sensingARG, I accidentally permuted the digital
demod angles. This significantly weakens
the argument for believing AS55I is broken...
 REFL11.pngREFL33.pngREFL55.pngREFL165.pngAS55.png 
  10842   Wed Dec 24 08:25:05 2014 ranaConfigurationIOOnotes on MC locking I've updated the scripts for the
MC auto locking. Due to some permissions
issues or general SVN messiness, most of
  
  10854   Mon Jan 5 20:17:26 2015 jamieConfigurationCDSGDS upgraded to 2.16.14I upgraded the GDS and ROOT installations
in /ligo/apps/ubuntu12
the control room workstations:
 2015-01-05-200025_1694x996_scrot.png 
  10859   Tue Jan 6 17:41:20 2015 JenneConfigurationCDSDTT doesn't do envelopes??[Jenne, Diego]
We are working on trying out the
UGF servos, and wanted to take loop measurements
  
  10897   Tue Jan 13 18:47:20 2015 ChrisConfigurationComputer Scripts / Programsinstafoton setupTo use instafoton, right click an MEDM
screen, open the Execute menu, and choose
"Foton".  Then click on the
  
  10940   Mon Jan 26 17:43:52 2015 ericqConfigurationIOOMC Autolocker updateThe MC autolocker hasn't been
so snappy recently, and has been especially fussy
today. Previously, the mcup script was triggered
  
  10945   Tue Jan 27 17:58:21 2015 JenneConfigurationTreasureWelcome, Donatella!Welcome to your new abode, Donatella!  IMG_1806.JPG 
  10951   Wed Jan 28 17:39:17 2015 KojiConfigurationIOOX Trans Table less crazy but not enough yetThe X-end IR Trans path was cleaned
up.

I have been investigating the Xarm
 IMG_1808.JPG 
  10958   Thu Jan 29 17:20:58 2015 manasaConfigurationIOOX Trans Table less crazy but not enough yet[Koji, Manasa]

We cleared up some optics
and optomechanics at the X end table that
  
  10993   Tue Feb 10 02:55:29 2015 JenneConfigurationModern ControlQuacky filtersI discovered that somehow my Wiener filters
that show up in Foton are not the same as
what I have in Matlab-land. 
 Mismatch_wienerQuackFoton_xaxis_9Feb2015.pngMismatch_wienerQuackFoton_yaxis_9Feb2015.pngMismatch_wienerQuackFoton_zaxis_9Feb2015.png 
  11116   Sat Mar 7 22:01:12 2015 JenneConfigurationLSCCARM and DARM on RF signals!!!!!!!!!!!!!!!!!!!![Jenne, with Matt and Fujimi as witnesses]

It
might be about time to throw that champagne
 ARM_POWERS_100.png 
  11117   Sun Mar 8 00:05:37 2015 KojiConfigurationLSCCARM and DARM on RF signals!!!!!!!!!!!!!!!!!!!!Exciting! How long was it?   
  11118   Sun Mar 8 01:27:01 2015 JenneConfigurationLSCCARM and DARM on RF signals!!!!!!!!!!!!!!!!!!!!I have in my notebook that at 9:49pm CARM
was no longer using ALS as an error signal,
and at 9:50pm, DARM was no longer using ALS
 RFlock3min.png 
  11145   Thu Mar 19 14:37:17 2015 manasaConfigurationIOOIMC relockedThe autolocker was struggling to lock the
IMC. I disabled the autolocker and locked the
IMC manually. It seems happy right now. 
  
  11343   Tue Jun 2 21:22:07 2015 rana, kojiConfigurationIOOAOM inserted in beam and alignedWe
spent an hour today to put the AOM back in
  
  11399   Thu Jul 9 16:39:03 2015 KojiConfigurationGeneralHow to set up your own summary page environment on the LDG clusterHere is the summary of my investigation
how to set up my own "summary page"
environment on the LDG (LIGO Data Grid) cluster.
  
  11405   Mon Jul 13 18:27:27 2015 EveConfigurationGeneralHow to set up your own summary page environment on the LDG clusterI'd like to build off of Koji's
instructions with a few useful tips I discovered
while setting up my own summary page
  
  11431   Mon Jul 20 16:45:15 2015 Max IsiConfigurationGeneralSummary page c1sus.ini error correctedBad syntax errors in the c1sus.ini config
file were causing the summary pages to crash:
a plot type had not been indicated for plots
  
  11530   Tue Aug 25 16:33:31 2015 Ignacio, SteveConfigurationPEMSeismometer enclosure copper foil progressSteve ordered
about two weeks ago a roll of 0.5 mm thick
copper foil to be used for the inside of
 picture1.jpgpicture2.jpgIMG_1966.JPGIMG_1969.JPG 
  11561   Thu Sep 3 00:14:09 2015 ranaConfigurationIOOIMC fast gain change for lock acqThe IMC often was making that scratchy
noise when first catching lock and sometimes
breaking. Thinking of the crappy crossover
  
  11576   Fri Sep 4 10:25:19 2015 SteveConfigurationIOOAOM stage is readyNew
stage can hold the correct polarization.

DRAWING
 stage_AOM-EOM.jpgA-EOMholder.pdf 
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