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ID Date Author Typeup Category Subject Text Attachments
  2365   Tue Dec 8 10:20:33 2009 AlbertoDAQComputersBootfest succesfully completedAlberto, Kiwamu, Koji,
this morning we found the RFM network
and all the front-ends down.
  
  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
  
  3038   Wed Jun 2 18:36:20 2010 valeraDAQCDSNoise generators in LSPAlex wrote a new code to implement LSP
noise generator. The code is based on 64
bit random number generator from Numerical
 noisegenerators.pdf 
  3090   Sat Jun 19 17:31:48 2010 ranaDAQCDSExcess Noise in C1:IOO-MC_DRUM1 fixed by rebootI was getting an excess noise in the C1:IOO-MC_DRUM1
channel - it was a flat spectrum of 10 cts/rHz
  
  3117   Thu Jun 24 18:47:26 2010 FrankDAQIOOVME crate rebooted we had
to reboot
the IOO VME crate right before lunch
  
  173   Thu Dec 6 15:21:59 2007 albertoFrogsElectronicsRF Transfer Function of Stiff Aluminum WiresTransfer function of 3cm long Aluminum wires
and of 3cm stranded wires
 TF_3cm_stiff_wires.amplitude.pngDSC_0225compressed.JPGTF_3cm_stranded_wires.amplitude.png 
  189   Wed Dec 12 22:24:48 2007 tobinFrogsPEMweather stationI poked at the weather station briefly this
evening.
  
  340   Sun Feb 24 10:51:58 2008 tfFrogsEnvironment40m in phdcomics?[url=http://www.phdcomics.com/comics/archive.php?comicid=977][img]http://www.phdcomics.com/comics/archive/phd021308s.gif[/img][/url]   
  581   Fri Jun 27 09:20:15 2008 steveFrogsPEMdust particle count is up & alarm handler is onThis 3 years plot show the trend of seasons.
When outside air quality goes bad ( 0.5 micron
> 1 million ) the lab follows.
 dust3y.jpg 
  666   Mon Jul 14 10:57:00 2008 KojiFrogsEnvironmentSomeone at 40M sent LHO water of lifeSomeone at the 40m sent Mike@LHO a pound of
peets coffee with the name of Koji Arai.
It was a good surprise! Thanks, we will enjoy
  
  877   Mon Aug 25 11:43:55 2008 YoichiFrogsIOOMC REFL PD cable had been disconnected through out the weekendMost of my morning was wasted by the MC REFL
PD cable, which was disconnected on the generic
LSC PD interface board.
  
  976   Mon Sep 22 15:02:45 2008 ranaFrogsTreasureMantis found outside the 40m door at night   mantis.JPG 
  1268   Tue Feb 3 15:01:38 2009 AlbertoFrogsComputersmegatron slow?I notice that Megatron is slower than any
other computer in running code that invokes
optickle or looptickle (i.e. three times
  
  1275   Thu Feb 5 16:21:07 2009 JenneFrogsComputersBelladonna connects to the wireless Martian network againSymptoms:  Belladonna could
not (for a while) connect to the wireless
network, since there was a driver problem
  
  1479   Mon Apr 13 18:57:03 2009 AlbertoFrogsComputersGPIB/ETH Interface TroublesI really don't understand why my programs
that I used to use to get data from the HP
Spectrum Analyzer and the Marconi frequency
 sweepfrequencyPRC.pyHP8590PRC.py 
  1481   Tue Apr 14 12:10:11 2009 AlbertoFrogsComputersGPIB/ETH Interface Troubles


   
        
            
  
  1911   Sat Aug 15 18:35:14 2009 ClaraFrogsComputersHow far back is complete data really saved? (or, is the cake a lie?)I was told that, as of last weekend, we
now have the capability to save full data
for a month, whereas before it was something
  
  2049   Mon Oct 5 09:31:05 2009 AlbertoFrogsPSLPSL laser accidentally turned offAlberto, Steve,
While I was moving a cart near by
the PSL table I pushed the red emergency
  
  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 
  2220   Mon Nov 9 18:27:30 2009 AlbertoFrogsComputersOMC DCPD Interface Box Disconnected from the power SupplyThis afternoon I inadvertently disconnected
one of the power cables coming from the power
supply on the floor next to the OMC cabinet
  
  2236   Wed Nov 11 12:29:44 2009 AlbertoFrogsPSLMC Locked on the wrong mode?This morning, after Steve pointed out that
the readout RFAMPD_DC was zero, I thought
of realigning the beam on the photodiode.
 PB110184-1.JPG 
  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.
  
  2377   Thu Dec 10 08:43:25 2009 steveFrogsEnvironmentdiesel fumes are less


   
        
            
 P1050817.JPG 
  2560   Tue Feb 2 15:30:03 2010 AlbertoFrogsTreasureWild OatsFYI. Sitting on the top shelf of George
I found an opened jar of raspberry jam and
an opened jar of creamy peanut butter. Both
  
  3004   Fri May 28 07:13:05 2010 AlbertoFrogsGreen LockingSR785 found abandoned next to the workbenchesA poor lonely SR785 was found this morning
roaming around in the lab in evident violation
of  the fundamental rule which requires all
  
  3131   Tue Jun 29 08:55:18 2010 JenneFrogsEnvironmentWe're being attacked!   Infested_InvasionOfKillerBugs.jpgAntInvasion_small.jpg 
  3421   Fri Aug 13 15:29:35 2010 AidanFrogsPhotosHere's the 40m team   40m_team.JPG 
  3424   Mon Aug 16 13:33:06 2010 ZachFrogsPhotosHere's the 40m team One day I'll get to be part of the
krew
  
  3512   Thu Sep 2 01:48:23 2010 JenneFrogsTreasureNot cool....This totally creeped me out when I found
it wandering around on the floor not so far
from my desk:
 CreepyBug.jpg 
  3520   Fri Sep 3 11:03:41 2010 AlbertoFrogsElectronicsCable cutting toolsI found this very interesting German maker
of cool cable cutting tools. It's called
Jokari.
  
  3522   Fri Sep 3 13:04:30 2010 KojiFrogsElectronicsCable cutting toolsYeah, this looks nice.
And I also like to have something
I have attached. This is "HOZAN P-90",
 P90.jpg 
  3598   Thu Sep 23 10:34:20 2010 ranaFrogsComputersnodus gracefully rebootedSVN down
mafalda down 
I am guessing that the NFS file system
  
  3599   Thu Sep 23 11:15:20 2010 KojiFrogsComputersnodus gracefully rebootedsvn is back after starting apache on nodus.
http://lhocds.ligo-wa.caltech.edu:8000/40m/ApacheOnNodus

  
  3601   Thu Sep 23 13:16:57 2010 KojiFrogsComputersnodus gracefully rebootedmafalda is up now.
I found that the cable for mafalda
(the sole red cable) had a broken latch.
  
  3682   Fri Oct 8 17:36:16 2010 steveFrogsPhotosvisiting undergradsProf Alan Weistein guided the 24 student
through the 40m. His performance was rated
as  an enthusiastic 9.5
 P1060916.JPGP1060921.JPGP1060922.JPGP1060915.JPG 
  4319   Thu Feb 17 23:41:46 2011 ranaFrogsDAQFrames Directory got the wrong name: Data unreachableDTT stopped working for recent data. An
'ls' in the frames/full/ directory reveals:
drwxr-xr-x 2 controls controls
  
  4442   Fri Mar 25 01:27:29 2011 mevansFrogsGreen Lockingdigital frequency countingToday we tried the Schmitt trigger DFD,
and while it works it does not improve the
noise performance.  At least part of
  
  4444   Fri Mar 25 11:16:19 2011 josephbFrogsGreen Lockingdigital frequency countingI modified
the c1gfd.mdl simulink model.  I made
a backup as c1gfd_20110325.mdl. 
 C1GFD.png 
  4447   Mon Mar 28 16:19:23 2011 steveFrogsPhotosvisithing 5th gradersSuresh is captivating his audience with
gravity waves on last Friday, March 25
 P1070475.JPG 
  4597   Mon May 2 13:43:05 2011 steveFrogsPhotosbirthday boys.....Happy.... Birthday.... to.... Joseph...
and... Jamie...Happy....Birthday..... to....
You............sing with us........Happy
 P1070622.JPG 
  4615   Tue May 3 15:59:22 2011 steveFrogsPhotosX-mas comes earlyThe little red all terrain cargo wagon
40" x 18"  has just arrived
on pneumatic wheels.
 P1070634.JPG 
  5020   Fri Jul 22 17:01:41 2011 Iron ManFrogsGeneralProof that Alberto lived through his Iron Man!   Alberto_IronMan_small.jpg 
  7758   Wed Nov 28 21:42:21 2012 ranaFrogsComputer Scripts / Programsdataviewer font errorAn error this evening on rossa: dataviewer
not working due to some font errors:
controls@rossa:~ 0$ dataviewer
  
  7950   Mon Jan 28 21:36:44 2013 tall guyFrogsGeneralsmall people on noticeIf I catch anyone putting small booties
into the large bootie bin, I will make said
person eat small booties.
  
  7952   Tue Jan 29 10:59:37 2013 lazy personFrogsGeneralbetter plan 
 I propose we work around this
problem with giant
  
  7955   Tue Jan 29 15:16:18 2013 ManasaFrogsGeneraltrial run 
 I would like to suggest a trial
run on these....Ergomates and 
 ErgoMatesFeatures.jpgbooties.jpg 
  7967   Wed Jan 30 16:24:25 2013 ManasaFrogsGeneraltrial run

    

       
            
  
  8375   Fri Mar 29 19:23:49 2013 Gabriele, JenneFrogsLSCAnalog whitening filter of REFL55 not switchingWe discovered that the analog whitening
filter of the REFL55_I board is not switching
when we operate the button on the user interface.
  
  8377   Fri Mar 29 19:58:24 2013 Gabriele, JenneFrogsLSCAnalog whitening filter of REFL55 not switching

    

       
            
  
  8383   Mon Apr 1 16:24:09 2013 JamieFrogsLSCPD whitening switching fixed (loose connection at break-out box)

    

       
            
 20130401_161858.jpg20130401_161917.jpg 
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