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ID Date Author Type Categorydown Subject Text Attachments
  1026   Sat Oct 4 07:23:42 2008 KojiMetaphysicsEnvironmentThe GatekeeperHi, this is Koji from Japan.

I am afraid that this is a poisonous spider,
  
  1161   Mon Nov 24 19:15:16 2008 rana, alberto, johnConfigurationEnvironmenttemperatureThe PSL Room Temperature was alarming because
it had gone above 23 C. This set off an unfortunate
chain of events:
  
  1163   Tue Nov 25 19:29:15 2008 rana, alberto, johnConfigurationEnvironmenttemperature[quote]The PSL Room Temperature was alarming
because it had gone above 23 C. This set
off an unfortunate chain of events:
  
  1164   Thu Nov 27 22:56:42 2008 ranaConfigurationEnvironmenttemperature8-)  mc.png 
  1209   Wed Dec 31 22:59:40 2008 YoichiSummaryEnvironmentParticle counts going crazyYes it is a new year's eve, and a lot of crazy
people are on Colorado to secure seats for
the parade tomorrow.
  
  1211   Thu Jan 1 01:07:03 2009 YoichiSummaryEnvironmentParticle counts going crazyI increased the fan speed of the PSL HEPA
filter to the maximum.
  
  1512   Thu Apr 23 18:09:11 2009 YoichiUpdateEnvironmentEffect of cryopumpThe attached is the trend plot of the MC1
accelerometer for 3 days.
It is evident that the seismic level increased
 SeisTrend.pdf 
  1513   Thu Apr 23 21:13:37 2009 YoichiSummaryEnvironmentMag. 4 earthquake in LA tripped the watchdogs of the most optics So far, no damage is noticeable.
restoreWatchdog script was useful :-)
  
  1539   Fri May 1 18:51:34 2009 AlbertoSummaryEnvironmentearthquakeEarthquake 4.4 Leo Carrillo Beach.
Some of the watchdogs tripped out.
  
  1594   Sun May 17 20:50:38 2009 robOmnistructureEnvironmentmag 5.0 earthquake in inglewood2009 May 18  03:39:36 UTC



   Details
  
  1596   Sun May 17 23:22:19 2009 ranaUpdateEnvironmentseisBLRMS for the past 3 weeksLooks like Chris Wipf's fix of using fclose
worked for the NDS client.
The attached plot shows the minute trend
 Untitled.png 
  1613   Wed May 20 10:43:17 2009 steveOmnistructureEnvironmentaccelerometers sensitivity


   
        
            
 eq5m4.jpg 
  1614   Wed May 20 16:03:52 2009 steveOmnistructureEnvironmentusing OSEMs to look at seismic activityRana suggested using OSEM sensing voltages
as guide lines to look seismic activity.
As you see todays drilling and tumping
 eqOSEM5m4.jpg 
  1706   Fri Jun 26 19:14:04 2009 ranaUpdateEnvironmentseisBLRMS for the past 3 weeks[COLOR=chocolate][SIZE=2]Restarted the seisBLRMS.m
on mafalda (running a term on op540m). Don't
know why it stopped - the
  
  1730   Fri Jul 10 17:32:08 2009 ranaUpdateEnvironmentseisBLRMS & mafalda restartedRana, Alberto

Mafalda's ethernet cable had fallen out of
  
  1731   Fri Jul 10 19:56:23 2009 rana, kojiOmnistructureEnvironmentChanged office tempI have increased the temperature setpoint
in the office area by ~0.75 deg F. Figure
attached. Also a few days ago I increased
 therm.JPG 
  1732   Sun Jul 12 20:05:06 2009 ranaOmnistructureEnvironmentChanged office tempThis is a 7-day minute trend. There's [B]no
obvious effect[/B] in any of the channels
looking back 2 days. 
 Picture_3.png 
  1738   Mon Jul 13 15:48:05 2009 ranaOmnistructureEnvironmentRemoval of the cold air deflection device for the MOPA chillerAround 2 PM today, I removed the blue flap
which has been deflecting the cold air from
the AC down into the laser chiller.
  
  1740   Mon Jul 13 23:03:14 2009 rob, albertoOmnistructureEnvironmentRemoval of the cold air deflection device for the MOPA chiller[quote]Around 2 PM today, I removed the blue
flap which has been deflecting the cold air
from the AC down into the laser chiller.
  
  1741   Tue Jul 14 00:32:46 2009 rob, albertoOmnistructureEnvironmentRemoval of the cold air deflection device for the MOPA chiller[quote][quote]Around 2 PM today, I removed
the blue flap which has been deflecting the
cold air from the AC down into the laser
  
  1745   Tue Jul 14 17:48:20 2009 JenneOmnistructureEnvironmentRemoval of the cold air deflection device for the MOPA chiller[quote][quote][quote]Around 2 PM today, I
removed the blue flap which has been deflecting
the cold air from the AC down into the laser
 ACeffectonLASER2.png 
  1927   Wed Aug 19 02:17:52 2009 ranaOmnistructureEnvironmentControl Room Workstation desks lowered to human heightThere were no injuries...Now we need to
get some new chairs.
  
  2046   Fri Oct 2 18:26:32 2009 robAoGEnvironmentearthquakequake coming through.  I've re-enabled
optic damping (except ETMY), and left off
the oplevs for now.  We can do a resonant-f 
 California_Nevada.gif 
  2059   Tue Oct 6 20:09:50 2009 JenneOmnistructureEnvironmentRF area is clean!I spent part of the afternoon cleaning
up the area next to the Mode Cleaner where
we keep all of our RF stuff:  Attenuators,
 DSC_0894.JPG 
  2060   Tue Oct 6 23:39:54 2009 KojiOmnistructureEnvironmentRF area is clean!Awesome.
I propose that anyone who tries to
do this kind of thoroughgoing cleaning should
  
  2210   Mon Nov 9 12:09:10 2009 AlbertoOmnistructureEnvironmentBNC Cable Laid Down from South End to East VErtexI laid down the floor a BNC cable from
the Y End table to the BNC Chamber. The cable
runs next to the east wall.
 DSC_0986.JPG 
  2213   Mon Nov 9 13:26:19 2009 AlbertoOmnistructureEnvironmentTidying up BNC cables rack around the labWe have thousands of miles of BNC cables
in the lab but we still don't find one when
we need it. I decided to solve the problem.
 DSC_0987.JPG 
  2214   Mon Nov 9 14:53:47 2009 AlbertoOmnistructureEnvironmentTidying up BNC cables rack around the labThis would be a good trial once you put
the label "BNC only" on
the wall.
  
  2216   Mon Nov 9 15:08:29 2009 KojiOmnistructureEnvironmentTidying up BNC cables rack around the lab


   
        
            
  
  2219   Mon Nov 9 16:32:36 2009 AlbertoFrogsEnvironmentShot of the white board yesterday before erasingYesterday Rana and I needed some room on
the white board in the Control Room. We had
to erase some of the stuff present on the
 DSC_0980.JPGDSC_0980.JPG 
  2279   Tue Nov 17 10:09:57 2009 josephbUpdateEnvironmentFumesThe smell of diesel is particularly bad
this morning.  Its concentrated enough
to be causing me a headache.  I'm heading
  
  2296   Thu Nov 19 08:53:12 2009 peteFrogsEnvironmentdiesel fumes Instead of doing RCG stuff, I went
to Millikan to work on data analysis as I
couldn't stand the fumes from the construction.
  
  2308   Fri Nov 20 13:54:45 2009 AlbertoOmnistructureEnvironmentNew Paper and Cardboard Recycling Bins Introduced to the 40mThe 40m produces a large amount of paper
and cardboard waste. It would be worth it
if we disposed those kind of garbages for
 DSC_1030.JPGDSC_1031.JPG 
  2377   Thu Dec 10 08:43:25 2009 steveFrogsEnvironmentdiesel fumes are less


   
        
            
 P1050817.JPG 
  2408   Mon Dec 14 00:37:28 2009 KojiOmnistructureEnvironmentAnts in the coffee makerI made a short stop at the 40m on Sunday
night and found that hundreds ants are in
  
  2409   Mon Dec 14 11:21:23 2009 steveOmnistructureEnvironmentAnts in the coffee maker 
 We still had some ants visiting
the sink area this morning. These ants seem
  
  2428   Thu Dec 17 17:13:50 2009 AlbertoOmnistructureEnvironmentSTACIS stuffOne of the electronics benches is currently
occupied by the STACIS equipment.
We
need that table If no one is working on the
  
  2477   Tue Jan 5 10:26:32 2010 Alberto, SteveOmnistructureEnvironmentAdded new wall cable-rackswe hung two new WALL cable racks.
One is on the pillar next to the Sp table,
the other is next to the PSL computer rack.
 DSC_1068-1.JPGDSC_1070-1.JPG 
  2478   Tue Jan 5 11:00:04 2010 ranaOmnistructureEnvironmentAdded new wall cable-racks


   
        
            
  
  2479   Tue Jan 5 13:23:45 2010 AlbertoOmnistructureEnvironmentturning pageIn the lab there are lots of old posters
with outdated autocad drawings, or printouts
with schematics of old electronics hanging
  
  2496   Sun Jan 10 16:05:51 2010 AlbertoOmnistructureEnvironmentLab Thermostats Temperature Lowered by 1 deg FRana noticed that recently the temperature
inside the lab has been a little bit too
high. That might be causing some 'unease'
  
  2501   Mon Jan 11 10:01:06 2010 AlbertoOmnistructureEnvironmentLab Thermostats Temperature Lowered by 1 deg F

    
        
  
  2511   Tue Jan 12 14:28:01 2010 steveSummaryEnvironmentlab temp of 7 years

    
        
 labtemp7y.png 
  2520   Mon Jan 18 09:44:36 2010 Alberto, BobOmnistructureEnvironmentNo rain water infiltrations so farIt has rained continuously for the last
24 hours. Bob walked through the lab looking
for possible water infiltrations. The floor
  
  2667   Thu Mar 11 15:24:51 2010 steveMetaphysicsEnvironmentIFO was well protected

    
        
  
  2675   Tue Mar 16 04:22:02 2010 JenneUpdateEnvironmentEarthquake, Mag 4.4 Earthquake Details

    

       
            Magnitude
 EQ_16Mar2010.png 
  2676   Tue Mar 16 05:10:39 2010 kojiUpdateEnvironmentEarthquake, Mag 4.4 Some of the suspensions got watchdog tripped
-> enabled -> damped.
The MC mirrors got slightly misaligned.
 100316_MC_SUS.png 
  2874   Mon May 3 19:21:43 2010 AlbertoDAQEnvironmentBoot fest[Alberto, Koji, Rana]
The RFM network failed today. We
had to reboot the frame builder anf restart
  
  2969   Fri May 21 16:27:45 2010 AlbertoOmnistructureEnvironmentThe control room is molding...... not just because we haven't locked
the interferometer for quite some time. I
mean, it literally stinks. The chiller's
  
  3098   Tue Jun 22 18:56:32 2010 JenneUpdateEnvironmentBad placement of recycling binSomeone has been moving the big blue recycling
bin in front of the laser-chiller-chiller
(the air conditioner in the control room). 
 BlockingLaserChillerChiller_small.jpg 
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