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New entries since:Wed Dec 31 16:00:00 1969
ID Date Author Typedown Category Subject Text Attachments
  2323   Tue Nov 24 18:24:54 2009 SanjitConfigurationAdaptive FilteringASS channels added to framebuilder 
[Sanjit, Jenne, Rob, Joe]
 
  
  2384   Thu Dec 10 13:10:25 2009 AlbertoConfigurationLSC166 LO DisconnectedI temporarily disconnected the Heliax cable
that brings the 166MHz LO to the LSC rack.
I'm doing a couple of measurement
  
  2389   Thu Dec 10 17:05:21 2009 AlbertoConfigurationLSC166 MHz LO SMA-to-Heliax connection repairedI replaced the SMA end connector for the
166 MHZ Local Oscillator signal that goes
to the back of the flange in the 1Y2 rack.
  
  2393   Thu Dec 10 18:31:44 2009 AlbertoConfigurationLSC166 LO Disconnected


   
        
            
  
  2394   Fri Dec 11 08:35:04 2009 steveConfigurationVACpumpdown has startedOplev positions before and after drag wiped
arm TMs as of yesterday. Slow-mode pumpdown
has started with 3/4 turn opened  RV1
 wiping.jpg 
  2395   Fri Dec 11 09:30:09 2009 KojiConfigurationLSC166 LO DisconnectedThey
must not be dBm, must be dB 

  
  2396   Fri Dec 11 11:42:26 2009 AlbertoConfigurationLSC166 LO Disconnected


   
        
            
  
  2397   Fri Dec 11 13:18:17 2009 AlbertoConfigurationVACpumpdown has started


   
        
            
  
  2398   Fri Dec 11 14:12:32 2009 ranaConfigurationLSC166 LO Disconnected 
 Seems like very strange cable
loss numbers. The Heliax is lossier than
  
  2399   Fri Dec 11 14:19:22 2009 KojiConfigurationVACpumpdown has startedWait,
Wait, Wait.
  
  2400   Fri Dec 11 15:21:40 2009 steveConfigurationVACpumpdown#67 is completed

    
        
 pd7h.jpgoplevpd8h.jpg 
  2402   Fri Dec 11 19:51:13 2009 AlbertoConfigurationLSC166 LO Disconnected


   
        
            
  
  2432   Sat Dec 19 14:33:25 2009 KojiConfigurationComputersPDFlib lite / gnuplot 4.2.6 on Rosalba/AllegraIn order to enable 'set terminal pdf' in
gnuplot on Rosalba/Allegra, I installed PDFlib
lite and gnuplot v4.2.6. to them. 
  
  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
  
  2469   Wed Dec 30 20:33:36 2009 rana, albertoConfigurationCamerasITMY & MC2 Camera workWe
restored the good state of the ITMY camera
 DSC_1064.JPGDSC_1065.JPGDSC_1066.JPG 
  2471   Sun Jan 3 08:23:39 2010 ranaConfigurationCDSautoburt.pl 'fixed' for post 2009 yearsTobin & Keith pointed out in the
LLO
ilog that there was a code bug
  
  2472   Mon Jan 4 09:52:40 2010 ranaConfigurationCamerasITMX camera and PSL channelsI
fixed up the ITMX camera like we did for
ITMY recently (removed T's and added strain
  
  2473   Mon Jan 4 17:21:30 2010 JenneConfigurationIOOElusive Mode Matching Solution found!I think I have
finally found a Mode Matching solution for
 Awesome_MM_Solution.png 
  2481   Wed Jan 6 03:44:41 2010 KojiConfigurationIOOElusive Mode Matching Solution found!I
am in the way to get a reasonable optical
layout.
  
  2490   Fri Jan 8 20:13:49 2010 Alberto, JoBConfigurationComputersThe 40m Kaiser Permanent Reboot MarathonThis morning after Alex and Jo's tinkering
with Megatron the RFM network crashed and
it brought down also some computers. The
 pasadena_marathon.JPG 
  2518   Sun Jan 17 05:22:42 2010 ranaConfigurationComputersELOG script changeWith Dave Barker's help, I changed the
elog startup script. Instead of running as
a Daemon with the -D option,
  
  2549   Tue Jan 26 20:18:32 2010 ranaConfigurationALARMop540m: alarms and BLRMS and StripTool restoredI turned the StripTool and ALARMS and BLRMS
back on on op540m. Looks like it has been
rebooted 5 days ago and no one turned these
  
  2551   Thu Jan 28 09:14:51 2010 AlbertoConfigurationComputersc1iscey, c1iscex, c1lsc, c1asc rebootedThis morning the LSC scripts wheren't running
properly. I had to reboot c1iscey, c1iscex,
c1lsc, c1asc .
  
  2568   Wed Feb 3 11:13:15 2010 steveConfigurationGeneralplaned power outage for Sat. Feb 20The electrical shop has to connect the
new power transformer at CES. This means
we will have no AC power for ~8 hrs on Saturday,
  
  2573   Fri Feb 5 11:01:49 2010 steveConfigurationVACslow pumpdown valve I have installed a slow start throttle
valve in front of V3  This spring loaded
valve will cut down on the flow at high pressures.
 slow.JPG 
  2585   Wed Feb 10 16:27:47 2010 steveConfigurationGeneral IFO beam heightsIN
VACUUM beam heights are ALL 5.5" 
This is measured from the top of the
  
  2589   Thu Feb 11 15:53:59 2010 steveConfigurationVACPSL output shutter is closedJoe and Alex are working on the computers.
Our vacuum system is temporary "All
off" condition: meaning all valves are
  
  2592   Thu Feb 11 18:53:57 2010 steveConfigurationVACVAC NORMAL is back

    
        
  
  2605   Tue Feb 16 10:01:16 2010 AlbertoConfigurationLSCArms and PRC not lockingSince last Friday either the arms or the
PRC can't lock.
The montors show the beam flashing
  
  2607   Tue Feb 16 14:10:06 2010 josephb, rob, kojiConfigurationLSCArms and PRC not locking

    
        
  
  2608   Tue Feb 16 15:25:00 2010 AlbertoConfigurationLSCArms and PRC not locking 
 
 shock.jpg 
  2612   Thu Feb 18 10:10:43 2010 steveConfigurationGeneral480 V AC power turned offOnly the 40m cranes are running on 480VAC
The electricians are rewiring this transformer
on the mezzanine so it was shut down.
  
  2613   Thu Feb 18 15:39:16 2010 Koji and SteveConfigurationVACvalve condition: ALL OFFAs preparation for the upcoming planned
power outage we turned turbos, RGA off and
closed valves.
  
  2615   Fri Feb 19 02:38:32 2010 KojiConfigurationoplevsIntsant green oplevs for ITMs shooting from the endsI
set up instant green oplevs for ITMs.
A green laser pointer has been set
  
  2624   Mon Feb 22 11:38:05 2010 joe, jenne and steveConfigurationVACvacuum is back to normalMorning condition: vacuum rack power is
still off, no MEDM screen reading.....meaning
unknown vacuum pressure.We closed PSL shutter
  
  2631   Tue Feb 23 13:37:04 2010 kiwamu and steveConfigurationVACventing the 40m vac envelopeKiwamu and Steve have started venting
the 40m vacuum envelope.
Preparation:
  
  2633   Tue Feb 23 16:20:44 2010 steveConfigurationVACoutgassing + leak

    
        
 outgleak.jpg 
  2634   Tue Feb 23 16:42:02 2010 ranaConfigurationComputer Scripts / ProgramsSVN restarted on NODUSI ran the start Apache script as described
by Yoichi in the WIki. SVN back up.
  
  2635   Tue Feb 23 19:00:45 2010 kiwamuConfigurationVACvent finishedThe vent has been
finished.
  
  2636   Tue Feb 23 19:07:43 2010 kiwamu and steveConfigurationVACvent is completed

    
        
 vent2010feb23.jpg 
  2641   Thu Feb 25 19:59:50 2010 KojiConfigurationSUSITMX OSEMsKoji, Steve
ITMX OSEM CONFIGURATION
 
 osem_config_ITMX.png 
  2644   Fri Feb 26 15:32:13 2010 steveConfigurationVACpreparation for power outage: vacuum all offThere is a planned power outage tomorrow,
Saturday from 7am till midnight.
I vented all annulies and switched
 ventd3.jpg 
  2648   Mon Mar 1 11:21:50 2010 steveConfigurationVACvacuum contoller is back to normal


   
        
            
  
  2670   Fri Mar 12 17:08:22 2010 steveConfigurationVACbg-RGAscan at d18RGA scan of rga-region only at day 18  
This is the back ground of the rga with some
calibration gas.
 bg-d18_20100312scan.png 
  2695   Mon Mar 22 16:57:45 2010 josephb,daisuke, alexConfigurationComputersMegatron test points working againWe changed the pointer on /cvs/cds/caltech/target/gds/bin/awgtpman
from
/opt/gds/awgtpman    to
  
  2708   Wed Mar 24 12:38:17 2010 HartmutConfigurationGreen LockingBroadband PD for green PLLModified one of the PD assemblies carrying
a large SI-Diode (~10mm diameter).
Removed elements used for resonant
 SiAmpl.pngSiPhase.png 
  2709   Wed Mar 24 12:40:25 2010 daisukeConfigurationGeneralPeriscope for green laser delivery from the BSC to PSL tableThe periscope design for beam elevation
of the green beams is posted. The design
for the 90 deg steering version is also coming.
 40m_periscope.png40m_periscope_A_100329.pdf40m_periscope_A_dwg_100329.zip 
  2725   Mon Mar 29 01:45:26 2010 daisukeConfigurationGeneralPeriscope version B for green laser ...Here the design of the periscope for the
90 deg steering version is posted.
straight version http://nodus.ligo.caltech.edu:8080/40m/2709
 40m_periscope_B.png40m_periscope_B_100329.pdf40m_periscope_B_dwg_100329.zip 
  2730   Mon Mar 29 18:41:34 2010 KojiConfigurationSUSStarted to build TTsSteve and Koji
WE started to build 5 TTs. 4 of them
are used in the recycling cavities. One is
 IMG_2348.jpg 
  2732   Mon Mar 29 21:43:27 2010 AlbertoConfigurationPSLReference Cavity PD Noise Spectrum[Rana, Alberto]
This evening we measured the noise
spectrum of the reference cavity PD used
 2010-03-29_FSS_PD_shotnoise_and_darknoise.png2010-03-29_FSS_PD_shotnoise_and_darknoise.png 
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