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Full | Summary | Threaded     -- All entries -- Last day Last 3 Days Last week Last month Last 3 Months Last 6 Months Last Year -- Type -- Configuration Update Summary HowTo Bureaucracy Omnistructure Metaphysics Frogs  16720 Entries

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ID Date Author Type Category Subject Text   2210   Mon Nov 9 12:09:10 2009 Alberto Omnistructure Environment BNC Cable Laid Down from South End to East VErtex I laid down the floor a BNC cable from the Y End table to the BNC Chamber. The cable runs next to the east wall.      2211   Mon Nov 9 13:17:07 2009 Alberto Configuration ABSL NPRO on I turned the auxialiary NPRO for the AbsL Experiment on. Its shutter stays closed.      2213   Mon Nov 9 13:26:19 2009 Alberto Omnistructure Environment Tidying up BNC cables rack around the lab We 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.      2214   Mon Nov 9 14:53:47 2009 Alberto Omnistructure Environment Tidying up BNC cables rack around the lab This would be a good trial once you put the label "BNC only" on the wall.      2217   Mon Nov 9 15:11:02 2009 Alberto Update LSC Everything put back as it was                                2219   Mon Nov 9 16:32:36 2009 Alberto Frogs Environment Shot of the white board yesterday before erasing Yesterday 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      2220   Mon Nov 9 18:27:30 2009 Alberto Frogs Computers OMC DCPD Interface Box Disconnected from the power Supply This afternoon I inadvertently disconnected one of the power cables coming from the power supply on the floor next to the OMC cabinet      2226   Tue Nov 10 13:02:36 2009 Alberto Update LSC X and Y Arm Cavity Poles Measurement From fitting the arm cavity transfer functions I got the following values for the cavity pole frequencies.      2227   Tue Nov 10 17:01:33 2009 Alberto Configuration IOO c1ioovme and c1iool0 rebooted This afternoon, while I was trying to add the StochMon channels to the frames, I rebooted the c1ioovme and c1iool0.      2228   Tue Nov 10 17:49:20 2009 Alberto Metaphysics Computers Test Point Number Mapping I found this interesting entry by Rana in the old (deprecated) elog : here I wonder if Rolf has ever written      2229   Tue Nov 10 19:19:57 2009 Alberto Update ABSL Rotated polarizer on the PSL table, along the MC input pick off beam Aligning the beam for the PLL of the AbsL Experiement I rotated the polarizer along the path of the MC Input pick off beam (=      2230   Tue Nov 10 19:21:53 2009 Alberto Update ABSL PLL Alignment I've been trying to lock the PLL for the AbsL Experiment but I can't see the beat (between the auxiliary NPRO and the PSL).      2236   Wed Nov 11 12:29:44 2009 Alberto Frogs PSL MC 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.      2238   Wed Nov 11 15:04:52 2009 Alberto Update ABSL Working on the AP table I've opened the AP table and I'm working on it.      2239   Wed Nov 11 16:18:57 2009 Alberto Update ABSL Working on the AP table                                2249   Thu Nov 12 10:45:02 2009 Alberto Update PSL Abandoned Frequency Generator This morning I found a frequency generator connected to something on the PSL table sitting on the blue step next to the sliding doors.      2250   Thu Nov 12 10:45:36 2009 Alberto Update ABSL Working on the AP table I've opened the AP table and I'm working on it. Also auxiliary NPRO turned on and      2252   Thu Nov 12 11:34:38 2009 Alberto Update ABSL Working on the AP table                                2253   Thu Nov 12 12:50:35 2009 Alberto Update Computers StochMon calibrated channels added to the data trend I added the StochMon calibrated channels to the data trend by including the following channel names in the C0EDCU.ini file:      2254   Thu Nov 12 12:51:45 2009 Alberto Update ABSL Working on the AP table                    2256   Thu Nov 12 16:13:05 2009 Alberto Update PSL MC Trans Offset On Rana's suggestion I checked the MC transmission QPD (C1:IOO-MC_TRANS_SUM). I found that the readout is almost zero when      2257   Thu Nov 12 16:53:59 2009 Alberto Update ABSL Working on the AP table                                2261   Thu Nov 12 18:10:27 2009 Alberto Update ABSL PLL Locked I locked the PLL and made some first measuremtns of the spectrum of the error signal. I'll post them later.      2271   Sun Nov 15 18:42:10 2009 Alberto Update Locking Interferometer fully locked for 3331 seconds This afternoon, I tried to lock the interferometer again after a few days. After a couple of failed attempts,      2302   Thu Nov 19 16:04:48 2009 Alberto Configuration elog Elog debugging output - Down time programmed today to make changes We want the elog process to run in verbose mode so that we can see what's going. The idea is to track the events that trigger      2303   Thu Nov 19 18:49:55 2009 Alberto Configuration elog Elog debugging output - Down time programmed today to make changes                    2308   Fri Nov 20 13:54:45 2009 Alberto Omnistructure Environment New Paper and Cardboard Recycling Bins Introduced to the 40m The 40m produces a large amount of paper and cardboard waste. It would be worth it if we disposed those kind of garbages for      2321   Tue Nov 24 14:33:22 2009 Alberto Update ABSL working on the AP table I'm working on the AP table. I also opened the auxiliary NPRO shutter. The auxiliary beam is on its path on the AP table and PSL      2324   Tue Nov 24 19:16:02 2009 Alberto Update ABSL working on the AP table                                2326   Wed Nov 25 08:43:08 2009 Alberto Update ABSL Working on the AP table I'm working on the AP table. I also opened the auxiliary NPRO shutter. The auxiliary beam is on its path on the AP table and PSL      2328   Wed Nov 25 10:20:47 2009 Alberto Update ABSL AbsL PLL not able to lock Last night something happened on the beat between the PSL beam and the auxiliary NPRO beam, that spoiled the quality of the      2329   Wed Nov 25 11:02:54 2009 Alberto Update ABSL AbsL PLL not able to lock                    2334   Wed Nov 25 15:42:27 2009 Alberto Update ABSL Working on the AP table                                2337   Wed Nov 25 20:14:58 2009 Alberto Update ABSL AbsL PLL not able to lock: problem fixed                    2338   Wed Nov 25 20:24:49 2009 Alberto Update ABSL PLL Open Loop Gain Measured I measured the open loop gain of the PLL in the AbsL experiment. I repeated the measurement twice:      2339   Wed Nov 25 20:28:17 2009 Alberto Update ABSL Stopped working on the AbsL I closed the shutter of the NPRO for the night.      2345   Mon Nov 30 10:28:47 2009 Alberto AoG all down cond. sea of red                    2346   Mon Nov 30 11:29:40 2009 Alberto AoG all down cond. sea of red                    2350   Thu Dec 3 15:55:24 2009 Alberto AoG LSC RF AM Stabilizer Output Power Today I measured the max output power at the EOM output of one of the RF AM Stabilizers that we use to control the modulation depth.      2365   Tue Dec 8 10:20:33 2009 Alberto DAQ Computers Bootfest succesfully completed Alberto, Kiwamu, Koji, this morning we found the RFM network and all the front-ends down.      2376   Thu Dec 10 08:40:12 2009 Alberto Update Computers Fronte-ends down I found all the front-ends, except for C1SUSVME1 and C0DCU1 down this morning. DAQAWG shows up green on the C0DAQ_DETAIL screen      2378   Thu Dec 10 08:50:33 2009 Alberto Update Computers Fronte-ends down                    2384   Thu Dec 10 13:10:25 2009 Alberto Configuration LSC 166 LO Disconnected I 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 Alberto Configuration LSC 166 MHz LO SMA-to-Heliax connection repaired I 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 Alberto Configuration LSC 166 LO Disconnected                                2396   Fri Dec 11 11:42:26 2009 Alberto Configuration LSC 166 LO Disconnected                                2397   Fri Dec 11 13:18:17 2009 Alberto Configuration VAC pumpdown has started                                2402   Fri Dec 11 19:51:13 2009 Alberto Configuration LSC 166 LO Disconnected                                2413   Mon Dec 14 14:16:14 2009 Alberto Update Treasure LOCKSTARS                                2415   Mon Dec 14 19:33:04 2009 Alberto Update General Arm Cavity Poles measured again after cleaning the optics last week Last week we vented and we cleaned the main optics of the arm cavities. I measured the frequency of the cavity

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