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ID Date Author Type Category Subjectup Text Attachments
  2447   Tue Dec 22 18:42:40 2009 Sanjit, KojiConfigurationAdaptive FilteringReadded DAQ channels to active listSometimes back we modified /cvs/cds/caltech/chans/daq/C1ASS.ini
to save some of the channels. The file was
reverted to default after the recent changes
  
  889   Tue Aug 26 19:07:37 2008 YoichiHowToComputersReading data from Agilent 4395A analyzer through GPIB from *Linux* machineI succeeded in reading data from Agilent 4395A
analyzer, who's floppy is crappy, through
GPIB from a Linux machine using
  
  9597   Tue Feb 4 17:40:19 2014 manasaUpdateGeneralReady for pump down??

    

       
            
  
  9598   Tue Feb 4 23:01:24 2014 JenneUpdateGeneralReady for pump down?? 
 This sounds great! The only
suggestion that I have is for checking POP.
  
  9601   Wed Feb 5 15:26:57 2014 manasaUpdateGeneralReady for pump down??

    

       
            
  
  14390   Tue Jan 8 19:13:39 2019 JonUpdateUpgradeReady for pumpdown tomorrowEverything is set for a second pumpdown
tomorrow. We'll plan to start pumping
after the 1pm meeting. Since the main volume
  
  11488   Mon Aug 10 22:18:19 2015 IgnacioUpdateIOOReady to do some online mode cleaner subtractionI'm attaching a SISO IIR Wiener filter
here for reference purposes that will go
online either tonight or tomorrow evening.
 stsx.pngperformance.pngfilter.zip 
  8969   Tue Aug 6 07:52:58 2013 manasaUpdateGeneralReady to pump downI did an alignment check of the IFO before
we start pumping down.
Arms were locked. PRM and SRM were
 MCspot_0806.pngOSEM_0806.pngOL_0806.pngQPD_0806.png 
  6079   Wed Dec 7 00:48:58 2011 kiwamuUpdateRF SystemRealigned incindent pointing to MCActually it was already in a good place.
I
just realigned the zig-zag mirrors on the
PLS table to bring the entire beam axis a
  
  5539   Sat Sep 24 17:12:54 2011 KojiUpdateLSCRealignment of REFL / Some 3f PRMI locking / Recycling Gain[Koji Suresh]
Activity on Friday evening
  
  5545   Mon Sep 26 15:15:45 2011 AnamariaUpdateLSCRealignment of REFL / Some 3f PRMI locking / Recycling GainA few comments on REFL table alignment
and REFL165.
Last time we realigned the table
  
  12169   Fri Jun 10 18:16:59 2016 varunUpdatePSLRealignment of pre mode cleanerThe mode cleaner was misaligned probably
due to the earthquake (the drop in the
MC transmitted value slightly after utc 7:38:52
 pmctrans_mcsum_signals.png 
  17137   Thu Sep 8 16:03:25 2022 YehonathanUpdateLSCRealignment, arm locking, gains adjustments{Anchal, Yehonathan}

We came this morning and the IMC
was misaligned. The IMC was realigned and
  
  10367   Tue Aug 12 02:09:39 2014 ericqUpdateGeneralReasonable alignment restoredI took over the IFO, after Jenne's locking
efforts, which included manual alignment,
since the ASS was doing bad things. 
  
  10369   Tue Aug 12 14:29:01 2014 ericqUpdateGeneralReasonable alignment restored

    

       
            
 OLtrend.png 
  10744   Mon Dec 1 20:12:52 2014 ericqUpdateModern ControlRebirth of CESAR / ESCOBAR I've uploaded a note at T1400735 about  gssimSweep.pdf 
  2068   Thu Oct 8 11:37:59 2009 josephbUpdateComputersReboot of dcuepics helped, c1susvme1 having problemsPower cycling c1dcuepics seems to have
fixed the EPICs channel problems, and c1lsc,
c1asc, and c1iovme are talking again.
  
  742   Sat Jul 26 15:09:57 2008 AidanUpdateComputersReboot of op440m
I was reviewing the PSL Overview screen this
afternoon and op440m completely froze when
  
  13935   Fri Jun 8 20:15:08 2018 gautamUpdateCDSReboot scriptUnfortunately, this has happened (and seems
like it will happen) enough times that I
set up a script for rebooting the machine
 31.png 
  15071   Wed Dec 4 09:11:42 2019 YehonathanUpdateCDSReboot scriptAfter the CDSs crashed we run the rebootC1LSC.sh script.

The script is a bit annoying in
that it requires entering the CDSs' passwords
 medmScreen11.ps 
  15072   Wed Dec 4 12:13:10 2019 gautamUpdateCDSReboot scriptIt was way more annoying without a script
and took longer than the 4 minutes it does
now.
  
  1967   Fri Sep 4 16:09:26 2009 josephbSummaryVACRebooted RGA computer and reset RGA settingsSteve noticed the RGA was not working today. 
It was powered on but no other lights were
lit.
  
  9562   Tue Jan 21 17:26:59 2014 JenneSummaryVACRebooted RGA computer and reset RGA settings[Jenne, Steve]
Steve noticed that the RGA was not
logging data and that not all the correct
  
  14171   Mon Aug 20 15:16:39 2018 JonUpdateCDSRebooted c1lsc, slow machinesWhen I came in this morning no light was
reaching the MC. One fast machine was
dead, c1lsc, and a number of the slow machines:
  
  3931   Tue Nov 16 10:47:45 2010 AidanUpdateGreen LockingRebooted c1psl - added new GRNBEAT_FREQ channelI restored C1:PSL-126MOPA_126MON to its
original settings (EGUF = -410, EGUL = 410)
and added a new calc channel called C1:LSC-EX_GRNBEAT_FREQ
  
  7495   Sun Oct 7 12:11:00 2012 AidanUpdateComputersRebooted cymac0 I rebooted cymac0 a couple of times. When
I first got here it was just frozen. I rebooted
it and then ran a model (x1ios). The machine
  
  7498   Mon Oct 8 09:45:28 2012 jamieUpdateComputersRebooted cymac0

    

       
            
  
  3446   Fri Aug 20 13:09:53 2010 josephbUpdateelogRebooted elogI had to restart the elog again.
At this point, I'm going to try to
get one of the GC guys to install gdb on
  
  589   Sat Jun 28 23:23:50 2008 JohnUpdateComputersRebootingAll of the computers are now showing green
lights.
  
  592   Sun Jun 29 14:53:02 2008 robUpdateComputersRebooting[quote]All of the computers are now showing
green lights.
  
  4003   Wed Dec 1 12:02:49 2010 josephb, alexUpdateCDSRebuilding frame builder with latest codeProblem:
The front ends seem to have different
gps timestamps on the data than the frame
  
  17079   Mon Aug 15 10:27:56 2022 KojiUpdateGeneralRecap of the additional measures for the outage prep[Yuta Koji]

(Report on Aug 12, 2022)

We went around the lab
 PXL_20220812_234438097.jpgPXL_20220812_234655309.jpgPXL_20220812_234748559.jpgrn_image_picker_lib_temp_b5f3e38d-796c-4816-bc0e-b11ba3316cbe.jpgPXL_20220812_235429314.jpg 
  2668   Thu Mar 11 17:51:04 2010 KojiUpdateSUSRecent status of SOSsJenne, Koji
Recent status of SOSs:
  
  16266   Thu Jul 29 14:51:39 2021 PacoUpdateOptical LeversRecenter OpLevs[yehonathan, anchal, paco]

Yesterday around 9:30 pm, we centered
the BS, ITMY, ETMY, ITMX and ETMX oplevs
  
  16268   Tue Aug 3 20:20:08 2021 AnchalUpdateOptical LeversRecentered ETMX, ITMX and ETMY oplevs at good stateLate elog. Original time 08/02/2021 21:00.

I locked both arms and ran ASS
to reach to optimum alignment. ETMY PIT >
  
  1150   Fri Nov 21 16:03:50 2008 ranaHowToGeneralRecharging BatteriesI found some black & red "Ninja" alkaline
AA batteries in the battery charger. [COLOR=red]This
is dangerous.[/COLOR] Please
  
  14091   Fri Jul 20 18:30:47 2018 JonConfigurationAUXRecommend to install AUX PZT driverI recently realized that the PLL is only
using about 20% of the available actuation
range of the AUX PZT. The +/-10 V control
  
  16674   Wed Feb 16 15:19:41 2022 AnchalUpdateGeneralReconfigured MC reflection path for low powerI reconfigured the MC reflection path for
low power. This meant the following changes:


Replaced the 10% reflection
  
  7690   Thu Nov 8 20:54:08 2012 Manasa, AyakaUpdateAlignmentReconfirming on IPPOS, IPANG and oplevs centering

    

       
            
  
  1907   Fri Aug 14 18:33:02 2009 ClaraUpdate Record of Accelerometer and Seismometer MovementsRather than make a new elog post every
time I move something, I'm going to just
keep updating this Google spreadsheet, which
  
  4123   Fri Jan 7 00:49:16 2011 JenneUpdateGreen LockingRecovered Xarm Green Lock, Preparation for Beat Note Measurement[Kiwamu, Jenne]
We went this evening in search of
a beat note signal between the Xarm transmitted
  
  12611   Sat Nov 12 01:09:56 2016 gautamUpdateLSCRecovering DRMI lockingNow that we have all Satellite boxes working
again, I've been working on trying to
recover the DRMI 1f locking over the last
  
  16924   Thu Jun 16 18:23:15 2022 PacoConfigurationBHDRecovering LO beam in BHD DCPDs[Paco, Yuta]

We recovered the LO beam on the
BHD port. To do this, we first tried reverting
 Screenshot_2022-06-16_18-29-14_BHDLObeamISBACK.png 
  9755   Wed Mar 26 22:22:43 2014 ManasaUpdateGeneralRecoveryThe following
that went unnoticed from yesterday were recovered
today:
  
  9756   Thu Mar 27 10:34:39 2014 ericqUpdateGeneralRecovery

    

       
            
  
  10326   Sun Aug 3 17:19:32 2014 ericqUpdateGeneralRecovery efforts[ericq, Jenne]
We both happened to come by today
to fix things up.
  
  10327   Sun Aug 3 23:47:56 2014 KojiUpdateGeneralRecovery effortsIt's great that you guys found the beam.

Yes, ITMX kick and lost communication
  
  5592   Sat Oct 1 17:47:21 2011 KojiSummaryGeneralRecovery from the power shutdown[Steve Koji Kiwamu]
- The storage on linux1 and linux1
itself (with this order) were turned on at
  
  5593   Sat Oct 1 22:53:49 2011 kiwamuSummaryGeneralRecovery from the power shutdown : lockableFound the Marconi for the 11 MHz source
had been reset to its default.
 => reset the parameters.
  
  5599   Mon Oct 3 08:38:21 2011 steveSummaryVACRecovery from the power shutdown is completed 
I failed to start Rana's favorit
anciant desktop computer at the vac rack.
 poweroutage.jpg 
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