40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  40m Log, Page 305 of 344  Not logged in ELOG logo
ID Date Author Type Category Subject Text Attachments
  1988   Wed Sep 16 11:58:11 2009 JenneUpdateAdaptive FilteringNew Filters for Adaptive FilteringWhen Sanjit and I were looking at the adaptive
filtering system on Monday and Friday, we
noticed that turning on the Accelerometers
  
  1987   Tue Sep 15 15:46:05 2009 steveUpdatePEMPEM and VACFSS_RMTEMP is moving up and  daily
fluctuations  are  less . 120 and
16 days plots are below.
 120dpem.jpg16dpem.jpg 
  1986   Sat Sep 12 15:40:15 2009 ranaUpdatePSLRC response v. can temperatureI stepped the RC can temperature  Picture_2.pngUntitled.pdf 
  1985   Fri Sep 11 17:11:15 2009 SanjitUpdateASSOAF: progress made[Jenne & Sanjit]
Good news: We could successfully
send filtered output to MC1 @ SUS.
  
  1984   Fri Sep 11 17:07:45 2009 JenneUpdateAdaptive FilteringMinor changes to ASS_TOP_PEM screen.There was some uncertainty as to which
channels were being input into the Adaptive
Filtering screen, so I checked it out to
  
  1983   Thu Sep 10 18:25:15 2009 ranaUpdatePSLc1psl rebooted for new RCPID database settingsI added a new database record (C1:PSL-FSS_RCPID_SETPOINT)
to allow for changing of the RC setpoint
while the loop is on. This will enable us
  
  1982   Thu Sep 10 17:47:25 2009 JenneUpdateComputerschanges to the startass scripts[Rana, Jenne]
While I was mostly able to restart
the c1ass computer earlier today, the filter
  
  1981   Thu Sep 10 15:55:44 2009 JenneUpdateComputersc1ass rebootedc1ass had not been rebooted since before
the filesystem change, so when I was sshed
into c1ass I got an error saying that the
  
  1980   Wed Sep 9 10:13:31 2009 steveBureaucracyGeneralthe use of FAX machine, scanner & toaster 
 You said that the use of FAXST
was forbidden for phds and graduate students.
  
  1979   Tue Sep 8 20:25:03 2009 JenneOmnistructureDMFDMF restarted

    
        
  
  1978   Tue Sep 8 20:15:33 2009 rana, jenneSummaryPSLRC temperature servo: Heater Voltage noiseWe measured the voltage noise of the
heater used to control the RC can temperature.
It is large.
 09080901.PDFTEK00074.PNG 
  1977   Tue Sep 8 19:36:52 2009 JenneOmnistructureDMFDMF restartedI (think I) restarted DMF.  It's on
Mafalda, running in matlab (not the complied
version which Rana was having trouble with
  
  1976   Tue Sep 8 19:30:33 2009 ranaUpdatePSLc1psl rebooted for new RCPID database settingsThe RC thermal PID is now controllable
from its own MEDM screen which is reachable
from the FSS screen. The slowpid.db and
 c1psl-term-dump.txt.gzC1PSL_FSS_RCPID.pngPicture_1.png 
  1975   Tue Sep 8 17:57:30 2009 JenneUpdatePEMAll the Acc/Seis working againAll of the accelerometers and seismometers
are plugged in and functional again. 
The cables to the back of the accelerometer
  
  1974   Tue Sep 8 16:01:52 2009 steveConfigurationVACRGA was separeted from IFOThe RGA isolation valve VM1 was closed
since Aug 24, 2009  I installed the
new UPS that time.
 vm1closed.jpg 
  1973   Tue Sep 8 15:14:26 2009 rana, alexConfigurationDAQRAID update to Framebuilder: directories added + lookback increased Alex
logged in around 10:30 this morning and,
  
  1972   Tue Sep 8 12:26:16 2009 AlbertoUpdatePSLConnection of the RC heater's power supply replacedI
have replaced the temporary clamps that were
connecting the RC heater to its power supply
  
  1971   Mon Sep 7 23:51:48 2009 ranaConfigurationComputersmatlab installed: 64-bit linuxI have wiped out the 2008a install of 64-bit
linux matlab and installed 2009a in its place.
Enjoy.
  
  1970   Mon Sep 7 23:35:03 2009 ranaUpdatePSLRC thermal servo: PID script modified, database + screen addedI have added the records for the RC thermal
PID servo into the psl/slowpid.db file which
also holds the records for the SLOW servo
 Untitled.png 
  1969   Mon Sep 7 23:18:01 2009 AlbertoUpdateLockingSome locking attemptsTried
to lock the interferometer but arm power
didn't get over 65.
  
  1968   Mon Sep 7 20:05:18 2009 ranaUpdatePSLRCTEMP v. RMTEMPSince ~Aug. 27, the reference cavity has
been running with no thermal control. This
is not really a problem at the 40m; a 1 deg
 rct2.pngrct.png 
  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.
  
  1966   Thu Sep 3 23:41:32 2009 AlbertoConfigurationLSCPOX (PD3) alignedToday I aligned the beam to PD3 (POX) since
Steve had moved it.
The DC power read 1.3mV when the
  
  1965   Thu Sep 3 11:20:26 2009 steveUpdateGeneralelectrical ground in place


   
        
            
 Gs-n.JPGnewground.JPG 
  1964   Thu Sep 3 10:19:35 2009 steve, albertoUpdatePEMparticle counts and burning hillsidesThe San Gabriel mountain has been on fire
for  6 days. 144,000 acres of beautiful
hillsides burned down and it's still burning. 
 fire6d.jpg40mgarden.JPG40mgarden2.JPGRBLOG-FIRE-SKY.JPG 
  1963   Tue Sep 1 13:52:06 2009 steveConfigurationGeneralPOX rfpd is back & needs alignment


   
        
            
  
  1962   Tue Sep 1 11:23:36 2009 steveUpdateGeneralelectrical groundI was told yesterday, that on Friday the
construction people accidentally ripped out
one of the 40m soil ground.....AND HOW MANY
 ground.JPG 
  1961   Fri Aug 28 15:30:15 2009 steveConfigurationGeneralPOX rfpd removedI removed POX rfpd to see how it is mounted
on its base. It is here on the work bench
just in case someone wants to use it the
  
  1960   Fri Aug 28 13:49:07 2009 robUpdateLockingRF CARM hand off problem[quote]Last night,  the lock script proceeded
to the RF CARM hand-off about half of the
time.
  
  1959   Fri Aug 28 12:56:17 2009 YoichiUpdateLockingRF CARM hand off problemLast night,  the lock script proceeded to
the RF CARM hand-off about half of the time.
However, the hand off was still unsuccessful.
  
  1958   Thu Aug 27 16:14:28 2009 steveSummaryOMCburned photodiodeOld -pre 6/2009  LLO DCPD 3 mm od
GTRAN photodiode
 20090827_173252.jpg20090827_170802.jpg 
  1957   Thu Aug 27 14:00:33 2009 ranaUpdatePSLRC thermal servo impulse responseI stepped the TIDALSET and looked at
what happened. Loop was closed with the very
 Untitled.png 
  1956   Thu Aug 27 13:42:08 2009 ranaSummaryPSLReference Cavity Temperature Control: psl.db changesI made the changes
to the psl.db to handle the new Temperature
  
  1955   Thu Aug 27 12:34:48 2009 YoichiUpdateLockingup to arm power 70Last night, I tried to run locking scripts.
The power went up to 70 a couple of times
.
  
  1954   Wed Aug 26 19:58:14 2009 Rana, AlbertoUpdatePSLReference Cavity Temperature Control: MINCO PID removedSummary: This afternoon we managed
to get the temperature control of the reference
cavity working again.
 rc.png 
  1953   Wed Aug 26 16:35:03 2009 AlbertoConfigurationPSLPSL reference cavity temperature box modificationsBasically, in addition to the replacement
of the resistors with metal film ones, Peter
replaced the chip that provides a voltage
  
  1952   Wed Aug 26 16:31:34 2009 steveUpdatePSLreference cavity temp box temporarly out of order


   
        
            
  
  1951   Wed Aug 26 16:11:41 2009 AlbertoUpdatePSLreference cavity temp box temporarly out of orderIt turned out that half an hour was too
long. In less than that the reference cavity
temperature passed the critical point when
  
  1950   Wed Aug 26 16:10:28 2009 Peter KingConfigurationPSLPSL reference cavity temperature box modificationsThe 40m Lab reference cavity temperature
box S/N BDL3002 was modified as per DCN D010238-00-C.
These were:
 DSC_0731.jpg 
  1949   Wed Aug 26 15:42:17 2009 AlbertoUpdatePSLreference cavity temp box temporarly out of order

    
        
  
  1948   Wed Aug 26 14:45:14 2009 steveUpdatePSLPSL-FSS_RCTEMP of 4 yearsThe reference cavity vacuum chamber temp
is plotted starting Feb 22 of 2005
This plot suggest that the MINCO
 refcavtemp.jpg 
  1947   Tue Aug 25 23:16:09 2009 Alberto, ranaConfigurationComputerselog moved in to the cvs pathIn nodus, I moved the elog from /export
to /cvs/cds/caltech. So now it is in the
cvs path instead of a local directory on
  
  1946   Tue Aug 25 21:55:11 2009 ranaUpdatePSLreference cavity temp box temporarly out of orderThere's no elog entry about what work has
gone on today, but it looks like Peter took
apart the reference cavity temperature control
 Untitled.pngrc-heater.jpg 
  1945   Tue Aug 25 21:36:28 2009 AlbertoUpdatePSLreference cavity temp box temporarly out of order 
 Is that the reason of the PSL
craziness tonight? See attachment.
 2009-08-25_PSLtrend.png 
  1944   Tue Aug 25 21:26:12 2009 AlbertoUpdateComputerselog restartedI just found the elog down and I restarted
it.
  
  1943   Tue Aug 25 18:42:42 2009 steveUpdatePSLreference cavity temp box temporarly out of order


   
        
            
  
  1942   Tue Aug 25 11:02:39 2009 ranaSummaryPSLTemperature BoxThe PSL Temperature Box (D980400-B-C, what
kind of numbering scheme is that?) modified
at LHO/LLO ~8 years ago to have better resolution
 D980400-B.pdf 
  1941   Tue Aug 25 03:30:23 2009 YoichiSummaryWIKI-40M UpdateGreen lock and phase noiseWhile Koji and I were discussing about the
green laser lock, we wondered if the common
motion of the cavity mirrors,
 PhaseNoise.png 
  1940   Tue Aug 25 02:37:53 2009 ranaConfigurationComputer Scripts / ProgramsFirefox 3.5 installed for 64 bit linux in apps/   DSC_0620.JPG 
  1939   Tue Aug 25 01:27:09 2009 ranaConfigurationComputersRaid update to Framebuilder (not quite)


   
        
            
  
ELOG V3.1.3-