40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  40m Log, Page 212 of 341  Not logged in ELOG logo
ID Date Author Typeup Category Subject Text Attachments
  9262   Wed Oct 23 09:17:33 2013 SteveUpdateSUSETMY sensors compared to ETMX ETMY sensors are glitching or getting
kicked up.
Atm3, There is no seismic activity
  9263   Wed Oct 23 11:42:28 2013 ranaUpdateSUSETMY sensors compared to ETMX  This is not really definitive.
The 0.1-0.3 Hz band is not the right one
to look for seismic transients - it should
  9264   Wed Oct 23 15:46:01 2013 JenneUpdatePSLPMC was unlockedThe PMC was unlocked for a little over
an hour.  I relocked it, and the MC
locked itself.  Today, it looks like
  9265   Wed Oct 23 15:48:06 2013 ranaUpdateSUSETMY sensors compared to ETMXI noticed by eye that during one event
when ETMY was getting kicked up, its CPU
meter (C1:FEC-47_CPU_METER) went RED.
  9266   Wed Oct 23 17:30:17 2013 jamieUpdateSUSETMY sensors compared to ETMXc1scy has been running slow (compared to
c1scx, which does basically the exact same
thing *) for many moons now.  We've
  9267   Wed Oct 23 18:24:56 2013 ranaUpdateSUSETMY sensors compared to ETMX 
 While that would be good -
it doesn't address the EDCU problem at hand.
  9268   Wed Oct 23 18:28:01 2013 JenneUpdateSUSETMY sensors compared to ETMXWe have now watched the ETMY computer situation
for a little over 150 minutes, and have seen
one 'event' where the CPU time of the scy
  9269   Wed Oct 23 19:14:10 2013 JenneUpdatePEMSeismometer statusAs you may recall, Den designed some nice
seismometer stations for us with the help
of Steve. The granite base was installed
  9270   Wed Oct 23 19:28:22 2013 JenneUpdateLSCNew lockin / sensing matrix model partsI have modified the Sensing Matrix I,Q
to Mag, Phase library part in the new sensing
matrix system.
  9271   Wed Oct 23 22:11:20 2013 ranaUpdateCDSWorkstation swap: Rosalba to ???  I've finished setting up the
fstab on 
  9273   Thu Oct 24 04:07:32 2013 MasayukiUpdateGreen LockingEnd PDH control signal, X-end PDH servo gain optimizationControl signal measurement of end PDH
The Yarm ALS wasn't robust. Yesterdays
  9274   Thu Oct 24 04:13:15 2013 JenneUpdateLSCPRMI + 2 ALS arms[Masayuki, Jenne, Rana]
We have, for the
  9275   Thu Oct 24 08:04:54 2013 SteveUpdateLSCPRMI + 2 ALS arms 
 Nice work. Congratulation
  9276   Thu Oct 24 09:08:27 2013 jamie.UpdateLSCPRMI + 2 ALS armsnice.   
  9277   Thu Oct 24 10:31:25 2013 SteveUpdateSUSETMY sensors compared to ETMXAtm1,  The strong glitches are back.
Damping OFF at (ref0 & ref1). damping
  9278   Thu Oct 24 12:00:11 2013 jamieUpdateCDSfb acquisition of slow channels


  9279   Thu Oct 24 14:14:18 2013 ranaUpdateLSCPRMI + 2 ALS arms Just in case people were confused,
although the PRMI + 2 ALS arms were controlled,
we weren't able to bring them in to resonance.
  9280   Thu Oct 24 15:19:58 2013 KojiUpdateLSCPRMI + 2 ALS arms> all of complications
of handing off
  9281   Thu Oct 24 17:18:44 2013 SteveUpdateSUSETMY oplev error signals are still bad

  9282   Thu Oct 24 17:26:35 2013 jamieUpdateCDSnew dataviewer installed; 'cdsutils avg' now working.I installed a new version of dataviewer
(2.3.2), and at the same time fixed the NDSSERVER
issue we were having with cdsutils. 
  9283   Thu Oct 24 19:12:45 2013 MasayukiUpdateGreen LockingALS OFFSETTER calibrationI calibrated the ALS-OFFSETTER output.

I measured the FSR of cavity in unit
  9284   Thu Oct 24 21:46:18 2013 KojiUpdateGreen LockingALS OFFSETTER calibration


  9285   Thu Oct 24 23:12:21 2013 jamieUpdateCDSnew dataviewer installed; no longer works on Ubuntu 10 workstations


  9286   Thu Oct 24 23:25:37 2013 JenneUpdateLSCEnd transmission triggering


  9287   Thu Oct 24 23:30:57 2013 jamieUpdateCDSnew dataviewer installed; no longer works on Ubuntu 10 workstations


  9288   Fri Oct 25 01:46:33 2013 ranaUpdateCDSfb acquisition of slow channels Rather than limp along with a broken
SLOW channel system, I fixed it so that the
EDCU files made during the RCG build actually
  9289   Fri Oct 25 04:03:40 2013 MasayukiUpdateLSC'scope and spectrum analyser for REFL165As Jenne's Elog we want to see Spectrum
and time series of REFL 165 (our PRMI LSC
locking PD) to see if the signal is saturated
  9290   Fri Oct 25 04:54:21 2013 MasayukiUpdateSUSETM violin modeSummary
When PRMI + 2arms are locked yesterday,
we heard the noise from suspension violin
  9291   Fri Oct 25 10:45:16 2013 SteveUpdatePSLlaser drift monitor set up

  9292   Fri Oct 25 19:56:58 2013 ranaUpdatePSLlaser drift monitor set up 
 I went to re-align the beam
into the PMC just now. I also tapped all
  9293   Fri Oct 25 20:11:08 2013 JenneUpdateLSCMICH gain in PRMI lowered by factor of 2We were locking the PRMI, but it is very
rumbly today.  I reduced the MICH servo
gain from -0.8 to -0.4 , and things seem
  9294   Fri Oct 25 21:28:49 2013 MasayukiUpdateLSCREFL PDs spectrum I measured the spectrum of the REFL165
output using AG4395A. As this entry
we put the directional coupler between REFL165
  9295   Fri Oct 25 21:36:51 2013 MasayukiUpdateLSC'scope and spectrum analyser for REFL165


  9296   Sat Oct 26 21:46:33 2013 RANAUpdateIOOMode Cleaner Tune-UP The
MC had been unlocked for the last 4 hours
and was crying out to me so I gave it some
  9297   Sat Oct 26 22:48:55 2013 ranaUpdateCDSNew/old CDS laptop for X-End    
  9298   Sun Oct 27 00:15:35 2013 RANAUpdateSUSc1auxex At some point tonight we lost our
CA connection to c1auxex (which is actually
the computer at the X End and controls the
  9299   Sun Oct 27 03:41:06 2013 ranaUpdateSUSETMX violin mode  I thought it would be enough
to notch the fundamental and the first harmonic,
but sometime tonight the 2nd harmonic at
  9300   Sun Oct 27 19:19:42 2013 DenUpdatePEMSeismometer status


  9301   Sun Oct 27 23:26:44 2013 ranaUpdatePEMSeismometer status It would be nice if we could use
the existing seismometer cable and place
a 2-terminal temperature sensor within the
  9302   Mon Oct 28 12:53:23 2013 JenneUpdateCDSFarfalla and Asia added to Host Table in Wiki


  9303   Mon Oct 28 14:12:48 2013 manasaUpdateIOOMode Cleaner relocked


  9304   Mon Oct 28 14:24:01 2013 MasayukiUpdateLSC'scope and spectrum analyser for REFL165 
 I connected the 'scope between
REFL165 output and demod board input. I split
  9306   Mon Oct 28 21:33:55 2013 RANAUpdateIOOMode Cleaner Tune-UP 
8 day minute trend of some of the
IMC alignment signals.
  9307   Tue Oct 29 10:51:16 2013 MasayukiUpdateSUSETMY sensors compared to ETMX[Steve, Masayuki]
We lowered the
  9308   Tue Oct 29 16:51:31 2013 JenneUpdateCDSLSC test points were used upMasayuki was concerned that some LSC channels
were giving him all zeros.  After seeing
the error in the terminal window running
  9311   Tue Oct 29 22:33:57 2013 ranaUpdateSUSETMY sensors compared to ETMX


  9312   Wed Oct 30 00:02:25 2013 JenneUpdateLSCLSC demod boards need some thoughtAs we are meditating on things to look
at for PRMI + 2 arms, Rana brought up the
question of the demod board situation. 
  9313   Wed Oct 30 01:22:56 2013 JenneUpdateLSCREFL 165 demod phase adjusted


  9314   Wed Oct 30 01:44:13 2013 JenneUpdateLSCMICH and PRCL gains adjusted (Config file saved)


  9315   Wed Oct 30 01:53:52 2013 JenneUpdateIOOMode Cleaner relockedThe MC (mostly MC2) decided a few minutes
ago to move, so I put the SUSPIT and SUSYAW
numbers back where they were, and the tweaked
ELOG V3.1.3-