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  40m Log, Page 231 of 344  Not logged in ELOG logo
ID Datedown Author Type Category Subject Text Attachments
  5711   Thu Oct 20 11:59:21 2011 ZachUpdateComputer Scripts / Programsmodified "dataviewer" on nodusThe "dataviewer" script was still
setting the server to fb40m on nodus. I modified
it to fb, so that this is the default when
  
  5710   Thu Oct 20 09:54:53 2011 jamieUpdateComputer Scripts / Programspynds working on pianosa again

    

       
            
  
  5709   Thu Oct 20 04:47:37 2011 kiwamuUpdateLSCclipping search round 1[Koji / Kiwamu]
 
We tried finding a possible clipping in the
  
  5708   Thu Oct 20 01:40:33 2011 KojiSummarySUSMC2 Misaligned 2:27PM on WednesdayThere looks some activity at around
MC2 on Wednesday afternoon.
It
 MC2_misalign.png 
  5707   Wed Oct 19 19:43:16 2011 JenneUpdatePSLPMC found unlocked

    
        
  
  5706   Wed Oct 19 18:18:03 2011 SureshUpdateElectronicsStochMon : Filters installed
 PA190146.JPGPA190143.JPG 
  5705   Wed Oct 19 18:16:53 2011 JenneUpdatePSLPMC found unlockedI just relocked the PMC.  I don't
know why it was unlocked.
  
  5704   Wed Oct 19 17:33:07 2011 kiwamuUpdateGreen LockingETMY mechanical shutter : fully functional
The mechanical
shutter on the Y end is now fully functional.
 MechShutter.png 
  5703   Wed Oct 19 17:21:16 2011 KojiSummaryLSCModification on the RFPD interface cardsI have modified all of the three RFPD interface
cards to be enabled permanently.
This
 D990543-B_mod.pdf 
  5702   Wed Oct 19 16:53:38 2011 kiwamuUpdateCDSsome screens need labels   Untitled.png 
  5701   Wed Oct 19 16:28:35 2011 steveUpdateGreen LockingETMY mechanical shutter is working


   
        
            
  
  5700   Wed Oct 19 15:48:20 2011 MirkoUpdatePEMMoved the STS1 from x-arm end to vortex[Jenne, Mirko]

We moved our one STS1 from the x-arm
 19102011061.jpg 
  5699   Wed Oct 19 15:46:49 2011 kiwamuUpdateSUStaking care of SRM


   
        
            
 SRM.png 
  5698   Wed Oct 19 14:03:41 2011 kiwamuUpdateGeneralvent prep : dichroic mirrorsStatus update on dichroic mirror:
 I got the specification sheet
of an aLIGO 2" dichroic mirror from
  
  5697   Wed Oct 19 13:45:11 2011 SureshUpdate40m UpgradingActive Tiptilts from LLO moved to clean shelf along X armI have moved the active tip tilts that
we brought over from LLO to the Clean Bureau
along the X arm (closest to the ETMX). There
  
  5696   Wed Oct 19 12:25:58 2011 SureshUpdate40m UpgradingActive Tiptilts from LLO moved to clean shelf along X armI have moved the active tip tilts that
we brought over from LLO to the Clean Bureau
along the X arm (closest to the ETMX). There
  
  5695   Wed Oct 19 12:06:26 2011 MirkoUpdateCDSIncluded the MC servo channel in CDS[Jamie, Mirko]
Included the 'Servo' output from
the D040180 in c1ioo, which I hoped would
 MC_F_versus_MC_SERVO.pngCoh_MC_F_MC_SERVO.png 
  5694   Wed Oct 19 10:49:35 2011 kiwamuUpdateSUSSRM oscillation removed


   
        
            
 SRMoplevKWMtune.png 
  5693   Wed Oct 19 09:44:10 2011 steveUpdateSUSETMX oplev power spectrum


   
        
            
 ETMXoplev2lens.png 
  5692   Wed Oct 19 08:34:16 2011 steveUpdateSUSSRM sus damping restoredSorry Kiwamu, I realized too late that
you were freeswigging. Hopefully 4 hrs was
enough.
 SRM.png 
  5691   Wed Oct 19 05:15:44 2011 kiwamuUpdateSUStaking care of SRMI
made some efforts to fix the situation of
SRM but it is still bad.
 f2pSRM.png 
  5690   Wed Oct 19 04:23:58 2011 kiwamuUpdateSUSSRM free swinging testThe following optics were kicked:
SRM
Wed Oct 19 04:22:53 PDT 2011
  
  5689   Tue Oct 18 22:47:09 2011 SureshConfigurationIOOMC autolocker script edited to shutdown and restart WFS loops

    
        
  
  5688   Tue Oct 18 21:19:18 2011 ranaConfigurationIOOWFS disabled in SUSI found that the MC WFS had large offset
control signals going to the MC SUS. Even
though the input switch was off, the integrators
  
  5687   Tue Oct 18 20:50:19 2011 SureshUpdateIOOC1IOO and WFS associated screensIn keeping with the current protocol, 
I have started to move all the user-built
medm screens associated with C1IOO into the
  
  5686   Tue Oct 18 15:20:03 2011 kiwamuSummaryIOORFAM plan[Suresh / Koji / Rana / Kiwamu]
Last
  
  5685   Tue Oct 18 10:04:41 2011 KojiUpdateLSCREFL165 removed from the tableThe original REFL165 had ~50MHz/A dependence
on the DC photocurrent.
The resistr R21, which was 2670 Ohm
 REFL165_original.pdfREFL165_new.pdfREFL165_schematic_111017_KA.pdf 
  5684   Tue Oct 18 04:04:27 2011 kiwamuUpdateLSCmeasurement of sensing matrix : touchy SRMI made
some attempts to measure the sensing matrix
  
  5683   Mon Oct 17 23:56:34 2011 SureshUpdateIOOMC WFS Integrators switched on and WFS_MASTER screen updated[Rana, Suresh]
     To see if
the loops will stay locked when the Integrators
 WFS_MASTER_screenshot_20111017.png 
  5682   Mon Oct 17 23:28:32 2011 ranaUpdateElectronicsStochMonTo get to the bottom of the RFAM mystery,
we've got to resurrect the StochMon to trend
the RFAM after the IMC.
  
  5681   Mon Oct 17 22:20:42 2011 KojiUpdateLSCREFL165 removed from the table

    

       
            
  
  5680   Mon Oct 17 17:07:30 2011 steveUpdateSUSETMX oplev returning beam od 3 mm ETMX oplev had 6 mm diameter beam
on the qpd.  I relayed the beam path
with 2 lenses  to get back  3 mm
 ETMX-oplev.jpg 
  5679   Mon Oct 17 14:26:22 2011 MirkoUpdateCDSSeismic BLRMS channels, new RMS calculation


   
        
            
  
  5678   Mon Oct 17 11:40:44 2011 KojiUpdateLSCREFL165 removed from the tableREFL165 removed from the table for the
C(V) test
  
  5677   Mon Oct 17 11:06:31 2011 MirkoUpdateCDSPiping data from c1lsc to c1oafChanged, recompiled, installed and restarted
c1rfm and c1oaf to get the MC1-3 Pitch and
Yaw data into the c1oaf model.
  
  5676   Mon Oct 17 10:43:14 2011 MirkoUpdateCDSCommited changes to c1rfmI want to make changes to c1rfm. Found
uncommited changes to it from Sept 27. Since
we recompiled it since then it should be
  
  5675   Mon Oct 17 07:57:24 2011 steveUpdateSUSETMX sus damping restored    
  5674   Sun Oct 16 05:35:18 2011 ranaUpdateComputer Scripts / ProgramsFailing to set SUS summary screen values

    

       
            
  
  5673   Sun Oct 16 02:30:00 2011 ranaUpdateElectronicsTesting REFL165 Unless the bias feedback circuit has been
tuned for the 1 mm diode, its possible that
you are seeing some C(V) effects. Its easy
  
  5672   Sat Oct 15 17:06:20 2011 KojiUpdateLSCInstallation REFL165 REFL165 was installed on the AP table last
night.
Meanwhile I found the DC power level
  
  5671   Sat Oct 15 16:42:08 2011 KojiUpdateLSCTesting REFL165  Test results of new REFL165 (the
first attachment)
- The resonant freq 166.2MHz, 
 REFL165_test_111014_KA.pdfREFL165_transimpedance2.pdf 
  5670   Sat Oct 15 16:01:26 2011 kiwamuUpdateIOOabout LOCKIN module

    

       
            
  
  5669   Sat Oct 15 10:58:32 2011 ranaUpdateIOOMC WFS Output Matrix determinationIn order to save time and sanity, you
should not measure the pitch ->yaw and
yaw-> pitch. It makes things too complicated
  
  5668   Sat Oct 15 04:53:41 2011 SureshUpdateIOOMC WFS Output Matrix determinationAfter we had a
rough idea of what the output matrix looks
like (see this elog),
 WFS1P_RespTo_MC1andMC2.pdfWFS1_IQphase20111015_1.pdfWFS2_IQphase20111015_1.pdfWFS1_IQphase20111015_2.pdfWFS2_IQphase20111015_2.pdf 
  5667   Fri Oct 14 18:38:41 2011 kiwamuUpdateSUSC1:SUS-ETMX_SPDMon fixed

    

       
            
  
  5666   Fri Oct 14 16:20:11 2011 ZachUpdateSUSC1:SUS-ETMX_SPDMon fixedI offered to help Kiwamu with some of the
40m work. The first task was to figure out
why the ETMX side OSEM monitor was so low,
 board_works.pngrut_roh_raggie.pngScreen_shot_2011-10-14_at_4.09.45_PM.png 
  5665   Fri Oct 14 04:35:45 2011 kiwamuUpdateLSClocking tonightThe
lock of DRMI wasn't stable enough to measure
the sensing matrix. Failed. 
 Screen_shot_2011-10-14_at_4.24.01.png 
  5664   Thu Oct 13 23:58:38 2011 KojiUpdateLSCfixing REFL165 I already have reported in
this entry that REFL165 shows too high
DC output which does not depend on the light
 PA131612.jpgPA131618.jpg 
  5663   Thu Oct 13 21:44:48 2011 MirkoUpdateCDSSeismic BLRMS channels, new RMS calculation[Rana, Koji, Mirko]

We looked into the CDS RMS block c-code
 New_RMS_vs_old_RMS.pngOriginal_RMS_LP_slower_than_0.1Hz.png 
  5662   Thu Oct 13 21:40:59 2011 ranaSummaryVACRecovery from the power shutdown is completed As it turns out Steve is not crazy
in this particular instance: the vacuum computer,
linux3 , has some issues. I can login just
  
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