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Mon Jan 23 22:51:17 2023, yuta, Summary, BHD, 60 Hz harmonics side lobe investigations        Tue Jan 24 21:29:31 2023, yuta, Summary, BHD, Electronics diagram around BH44 and BH55        Wed Jan 25 11:35:20 2023, yuta, Summary, BHD, REFL55 visually inspected, BH44 Kapton taped        Wed Jan 25 18:01:21 2023, yuta, Summary, BHD, BH44 setup isolated, but 60 Hz noise stays the same        Thu Jan 26 16:07:05 2023, yuta, Summary, PSL, PMC aligned, now PMC transmission is 0.7        Fri Jan 27 19:35:31 2023, yuta, Summary, BHD, 60 Hz noise investigations around IMC 6x       Fri Jan 27 21:22:57 2023, yuta, Summary, BHD, V beam dump installed for BH44 RF PD        Fri Feb 3 17:39:38 2023, yuta, Summary, BHD, 60 Hz noise investigations around IMC, part 2        Tue Feb 7 20:10:05 2023, yuta, Summary, BHD, 60 Hz noise investigations around IMC, part 3        Thu Feb 9 10:05:37 2023, yuta, Update, CDS, c1sus2 all FE models crashed spontaneously again        Thu Feb 9 10:19:22 2023, yuta, Summary, BHD, 60 Hz noise investigations around IMC, part 4, using ALS BEAT        Thu Feb 9 17:33:34 2023, yuta, Summary, BHD, 60 Hz noise investigations around IMC, part 6, TTFSS        Mon Feb 13 11:54:54 2023, yuta, Summary, BHD, 60 Hz frequency noise is coming from MC1 coils        Tue Feb 14 10:49:04 2023, yuta, Summary, BHD, MC1 electronics diagram and cable diconnection tests    Thu Feb 16 14:44:06 2023, yuta, Update, BHD, FPMI BHD with BH55 recovered        Wed Feb 22 17:32:16 2023, yuta, Update, BHD, BH55 and BH44 both amplified        Thu Feb 23 14:55:49 2023, yuta, Update, BHD, BH55 and BH44 orthogonality checks        Mon Mar 13 19:53:36 2023, yuta, Update, BHD, FPMI BHD sensing matrix measurement with individual lines        Tue Mar 14 18:44:39 2023, yuta, Update, BHD, LO phase noise measurements in ITMX single bounce, MICH and FPMI        Mon Mar 20 20:27:30 2023, yuta, Update, BHD, LO phase noise contribution in MICH BHD    Thu Mar 23 19:15:39 2023, yuta, Summary, LSC, PRMI locked using REFL55        Fri Mar 24 12:54:51 2023, yuta, Summary, LSC, Actuator calibration of PRM using PRY        Fri Mar 24 15:05:41 2023, yuta, Summary, LSC, PRMI sensing matrix and RF demodulation phase tuning        Sun Mar 26 19:13:48 2023, yuta, Summary, LSC, PRMI sensing matrix and RF demodulation phase tuning        Wed Apr 12 21:32:22 2023, yuta, Summary, LSC, PRMI BHD power measurements        Tue Apr 18 19:29:43 2023, yuta, Update, BHD, LO phase noise measurements in ITMX single bounce, MICH and FPMI    Wed Apr 19 15:12:01 2023, yuta, Summary, SUS, Coil dewhitening check for PRM    Fri Apr 28 20:17:37 2023, yuta, Summary, ASC, IFO alignment in bad shape        Wed May 3 15:06:44 2023, yuta, Summary, LSC, POP attenuation and PRMI PRG estimate    Wed Jun 7 17:05:36 2023, yuta, Summary, LSC, RF FPMI recovered after c1sus DAC card replacement        Thu Jun 8 10:31:46 2023, yuta, Update, CDS, c1sus2 all FE models crashed spontaneously again and IMC/vertex optics damping stopped    Fri Jun 9 17:39:48 2023, yuta, Update, LSC, High bandwidth YARM test        Fri Jul 7 17:29:16 2023, yuta, Summary, ASC, IFO alignment is in a strange state        Mon Jul 10 15:22:25 2023, yuta, Summary, ASC, IFO alignment is in a strange state    Thu Jul 13 14:47:38 2023, yuta, Bureaucracy, General, Things we need to fix    Thu Jul 13 17:20:53 2023, yuta, Update, LSC, PRMI 1f not locking stably        Mon Jul 31 15:46:03 2023, yuta, Update, SUS, Strange behavior of ITMX and ITMY probably due to DAC issue        Thu Aug 10 19:52:47 2023, yuta, Summary, ALS, simultaneous hold and release of the arm (aka two arm ALS)        Tue Aug 15 09:56:52 2023, yuta, Update, IOO, PMC aligned, c1sus2 crashed        Wed Aug 16 18:33:40 2023, yuta, Update, LSC, PRMI 1f/3f switching in both carrier/sideband resonant configurations    Wed Sep 27 14:01:11 2023, yuta, Update, SUS, Whitening/dewhitening check at Yend        Wed Sep 27 21:11:36 2023, yuta, Update, SUS, Checking suspension damping loop polarity conventions         Thu Sep 28 11:30:13 2023, yuta, Update, SUS, Checking suspension damping loop polarity conventions     Fri Sep 21 09:59:09 2018, yuki, Configuration, ASC, Y end table upgrade plan    Sun Sep 23 17:38:48 2018, yuki, Update, ASC, Alignment of AUX Y end green beam was recovered        Sun Sep 23 19:32:23 2018, yuki, Configuration, ASC, Y end table upgrade plan        Mon Sep 24 11:09:05 2018, yuki, Configuration, ASC, Y end table upgrade plan        Tue Sep 25 18:08:50 2018, yuki, Configuration, ASC, Y end table upgrade plan        Thu Sep 27 14:02:55 2018, yuki, Configuration, ASC, PZT driver board verification        Sun Sep 30 20:14:51 2018, yuki, Configuration, ASC, QPD calibration

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