40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  40m Log, Page 68 of 339  Not logged in ELOG logo
IDup Date Author Type Category Subject Text Attachments
  3381   Fri Aug 6 20:00:03 2010 KojiUpdatePSLPSL preparation workPSL preparation work report
Aug 6th
10am-5pm: (Steve
 PSL_cable_map.pdf 
  3382   Sat Aug 7 10:47:38 2010 KojiSummaryelogelog restarted / source of the trouble eliminatedNancy
notified me that the elog crashed. It was
  
  3383   Sat Aug 7 11:07:44 2010 KojiConfigurationPSLMC kept locked / PMC control gain reduced to +13dBJenne asked us to keep th MC locked
and let the seismometers happy through this
weekend.
  
  3384   Sat Aug 7 21:09:59 2010 DmassConfigurationComputer Scripts / ProgramseLog changesI made some changes to the elog on nodus:

    Made a backup of /cvs/cds/caltech/elog/elog-2.7.5/elogd.cfg
called elogd.cfg.bk.20100407 in the same
  
  3385   Sat Aug 7 21:57:56 2010 ranaSummaryDMFseisBLRMS restartedThe green xterm on op540m which is running
the seisBLRMS DMF got stuck somehow ~3 days
ago and lost its NDS connection. I closed
 Untitled.png 
  3386   Mon Aug 9 12:46:24 2010 NancyUpdateIOOMode Cleaner WFS    
  3387   Mon Aug 9 13:32:02 2010 nancyUpdateIOOMode Cleaner ASC E-log entry for
Friday - will attach more plots to this entry
 6x 
  3388   Mon Aug 9 15:54:43 2010 KojiUpdateIOOMode Cleaner ASCThe WFS and QPD servos were working.
That was great.
Everything was fine except for the
  
  3389   Mon Aug 9 21:50:50 2010 nancyUpdateIOOMode Cleaner ASC


   
        
            
  
  3390   Tue Aug 10 01:05:17 2010 ZachUpdateelogelog restarted Elog was down. Restarted with the
script.
  
  3391   Tue Aug 10 05:56:07 2010 KojiUpdatePSLPSL Table Lifting PreparationWork
on Aug 9th
Steve, Jenne,
Koji, Alberto, Aidan, Jan, Sharmila, Katherine
From
 IMG_2686.jpgIMG_2691.jpgIMG_2692.jpgIMG_2711.jpg 
  3392   Tue Aug 10 15:23:35 2010 JennaUpdateElectronicsRubidium clock time constant[Jenna & Alastair]
We changed the locking time constant
on one of the Rubidium clocks using the RbMon
  
  3393   Tue Aug 10 16:55:38 2010 JennaUpdateElectronicsc1iovme restarted Alastair
and I restarted the c1iovme around the time
of my last elog entry (~3:20).
  
  3394   Tue Aug 10 17:21:48 2010 steveUpdateGeneralPSL optical table is at 30" heightMike Gerfen, Koji and Steve,
 
Our old ( 6 x 10 x 1 ) ft Newport
 P1060586.JPGP1060583.JPGP1060591.JPGP1060593.JPGP1060597.JPG 
  3395   Tue Aug 10 22:40:55 2010 KojiSummaryPEMAccelerometer located on and below the PSL tableResult
of the accelerometer measurement
Introduction

We wanted to characterize
 PEM_100809.pdf 
  3396   Wed Aug 11 02:44:37 2010 ZachUpdateelogelog restartedYou'll never guess what happened: the elog
crashed!
I restarted it with the script. Yay.
  
  3397   Wed Aug 11 11:51:45 2010 Gopal UpdateWIKI-40M Update8.5.10 - 8.11.10 Weekly UpdateSummary of
this Week's Activities:
  
  3398   Wed Aug 11 12:58:56 2010 JennaUpdateElectronicsRubidium clock phase noiseI took some measurements of the clock this
morning, first without the box, then with
the box, then without the box again. All
 08_11_Rb_crazybox.pdf08_11_Rb_comparison.pdf 
  3399   Wed Aug 11 13:28:44 2010 josephbUpdateCDSNew cdsIPCx parts, old part breaks modelsWhile working on a test stand at LLO, I've
discovered that there's a new update to the
Real Time Code Generator that breaks virtually
  
  3400   Wed Aug 11 15:27:16 2010 JennaUpdateElectronicsRubidium clock phase noiseWe unsynched the clocks by unhooking the
1pps locking. I've added it to the plot of
the other measurements here, and we've divided
 08_11_Rb_withspec.pdf 
  3401   Wed Aug 11 16:13:59 2010 JennaUpdateelogelog restartedThe elog crashed, so we restarted it again.   
  3402   Wed Aug 11 16:38:02 2010 JennaUpdateElectronicsRubidium clock phase noise


   
        
            
  
  3403   Wed Aug 11 16:56:00 2010 KojiSummaryEnvironmentCovering of the IFOKatharine, Sharmila, Gopal, Kiwamu,
Jenne, Aidan, Steve, and Koji
A guy from the carpenter shop has
 IMG_2732.jpg 
  3404   Thu Aug 12 10:56:31 2010 steveUpdateEnvironment dusty floor work in progresI powered down 1Y1 and 1Y2 instrument racks
of MC and RF-systems this morning.
Both racks, SP table, clean tools-parts
  
  3405   Thu Aug 12 11:19:04 2010 kiwamuUpdateCDScurrent statusCurrent status of the new CDS test (summaries   
  3406   Thu Aug 12 11:39:27 2010 ZachUpdateelogelog restartedwith script   
  3407   Thu Aug 12 11:59:31 2010 kiwamuHowToCDSset up ntp daemom(sad story)
When I was working on a new front
end machine c1sus, I found that
  
  3408   Thu Aug 12 14:01:53 2010 josephbUpdateCDScurrent statusFirst, awesome progress.
Second, the Binary Output parts do
  
  3409   Thu Aug 12 16:18:00 2010 JennaUpdateElectronicsRb clocks overnightI took a look at the data from the middle
of the night to see if it was significantly
quieter than the data from the day, but it
 rbcomp.pdf 
  3410   Thu Aug 12 16:18:46 2010 steveUpdateEnvironmenttiles and adhesive removed


   
        
            
 P1060604.JPGP1060606.JPGP1060603.JPGP1060610.JPGDSC_2388.JPG 
  3411   Thu Aug 12 16:52:02 2010 RazibUpdatePhase CameraSideband power measurement (updated)I made some measurement of the SCR (signal
to contrast ratio) from the signal from the
EOM and the AOM.
 SCR.jpgDC_sig_sideband_profile.jpgsideband_profile.jpgsine_trig.jpgsine_trig.jpg 
  3412   Thu Aug 12 17:10:07 2010 KojiUpdatePhase CameraSideband power measurement (updated)This sounds very relieving although this
could be a lower bound of the number.
Why didn't you use the output on the
  
  3413   Thu Aug 12 17:28:28 2010 RazibUpdatePhase CameraSideband power measurement (updated)


   
        
            
  
  3414   Thu Aug 12 18:30:08 2010 kiwamuUpdateCDSRe: current statusYes.  
The medm screen C1SUS_GDS_TP.adl
showed some numbers which correspond
  
  3415   Thu Aug 12 23:17:54 2010 ZachUpdateelogrestarted script   
  3416   Thu Aug 12 23:41:48 2010 JenneUpdateelogrestarted

    
        
  
  3417   Thu Aug 12 23:49:04 2010 nancyUpdateEnvironmentLaser chiller temp raisedSince the laser is off, Jenne and I rasied
the chiller-chiller (small AC in the Control
Room) set point temperature to 
  
  3418   Fri Aug 13 01:53:12 2010 GopalUpdateOptic StacksGravity Implementation ConfirmedTime Domain
Analysis on a Driven, Damped Simple Pendulum
 Pendulum_Length.pngPendulum_Length.pngPendulum_Length.png 
  3419   Fri Aug 13 09:41:00 2010 nancyOmnistructureComputersCharger for dell laptop I have taken the charger for the
dark gray dell laptop from its station, and
have labelled the information there too.
  
  3420   Fri Aug 13 13:11:30 2010 DmassUpdateelogrestarted


   
        
            
  
  3421   Fri Aug 13 15:29:35 2010 AidanFrogsPhotosHere's the 40m team   40m_team.JPG 
  3422   Fri Aug 13 18:32:48 2010 steveUpdatePEM new legs attached to optical tableKoji, Rana and Steve
 
The floor preparation continued today.
 P1060612.JPGP1060626.JPGP1060631.JPGP1060636.JPG 
  3423   Fri Aug 13 20:58:20 2010 JennaSummaryElectronicsRubidium clock phase noise measurement Here's an overview of the rubidium
measurement:
 6x 
  3424   Mon Aug 16 13:33:06 2010 ZachFrogsPhotosHere's the 40m team One day I'll get to be part of the
krew
  
  3425   Mon Aug 16 19:12:18 2010 JenneUpdateSUSMore TT characterization[Jenne, Yoichi]
We
characterized Tip Tilts numbers 2 & 3
  
  3426   Mon Aug 16 23:13:25 2010 ZachUpdateeloge to the log Zach

    I get so many freebies
it's ridiculous
  
  3427   Mon Aug 16 23:39:29 2010 YoichiUpdateSUSMore TT characterization


   
        
            
 EQStopScrewHoles.jpg 
  3428   Tue Aug 17 02:07:11 2010 YoichiUpdateCDSDACs have correct number of channels


   
        
            
  
  3429   Tue Aug 17 09:06:08 2010 AlbertoUpdateelogelog was downI just restarted the elog after I found
it down a few minutes ago.
  
  3430   Tue Aug 17 14:09:15 2010 steveUpdatePEMPSL optical table schedule Tuesday, 17 August : fill tunnel, set table
height, level table and balance load
Wednesday : grout tripod legs and
  
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