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ID Date Author Type Category Subject Text   17048   Fri Jul 29 22:37:54 2022 Koji Update IOO WFS investigation I wanted to check what's wrong with the WFS. I played with MC2 misalignment      17049   Sat Jul 30 10:38:12 2022 Anchal Update PSL FSSSlow/MCAutolocker issue (docker) The FSSSlow script was not properly documented and it was not working, so I had to use one that I knew worked from CTN. This scripts      17050   Sat Jul 30 12:48:18 2022 Koji Update PSL FSSSlow/MCAutolocker issue (docker) > it only starts working when C1:IOO-MC_LOCK is 1 and C1:PSL-FSS_SLOWLOOP is 1. - OK. Your new MCAutolocker does      17053   Tue Aug 2 01:10:26 2022 Koji Update IOO WFS investigation Continued to work on the WFS repair Demod phase adjustment: - Use the PDH signal to      17055   Wed Aug 3 15:01:13 2022 Koji Update General Borrowed Dsub cables Borrowed DSUB cables for Juan's SURF project      17056   Wed Aug 3 16:00:51 2022 yuta Update BHD BHD fringe aligned with reduced LO and AS beam clipping Last week, we could find an alignment which realizes LO beam and AS beam both unclipped, but it was not consistent with an alignment      17057   Thu Aug 4 11:28:22 2022 Anchal Update PSL FSSSlow/MCAutolocker issue (docker) Added C1:IOO-MC_LOCK to ALConfigMC.yml which solved the isse with FSS Slow. We should tune the FSS Slow      17058   Thu Aug 4 19:01:59 2022 Tega Update Computers Front-end machine in supermicro boxes Koji and JC looked around the lab today and found some supermicro boxes which I was told to look into to see if they have any      17059   Thu Aug 4 21:58:18 2022 Koji Update IOO WFS investigation OK... It seems that all the 6 dof of the IMC WFS servo loops were closed with some condition...      17060   Thu Aug 4 22:14:20 2022 Koji Update IOO WFS investigation Sensing matrix measurement MCx_ASCyyy_EXC was shaken with the amplitude of 3000 cnt. Measure the transfer      17061   Thu Aug 4 22:14:38 2022 Koji Update IOO WFS investigation WFS/MCTRANS_QPD Power Spectra Attachment 1: HEPA ON WFS1/2 PIT/YAW Spectra are stabilized      17062   Thu Aug 4 22:32:31 2022 Koji Update IOO Upon leaving the lab (WFS investigation) Upon leaving the lab: - HEPA is ON at the original speed (i.e. same speed at 5PM      17063   Fri Aug 5 12:42:12 2022 Koji Update IOO IMC WFS: Overnight observation The IMC lock survived overnight and the WFS servo loops kept it aligned. The IMC was unlocked in the morning.      17065   Mon Aug 8 14:47:10 2022 rana Update PSL FSSSlow/MCAutolocker issue (docker) can't we just go back to the old python script that was working for many years, and tested? I imagine that as soon as someone      17066   Mon Aug 8 17:16:51 2022 Tega Update Computers Front-end machine setup Added 3 FE machines - c1ioo, c1lsc, c1sus -  to the teststand following the instructions in elog15947.      17067   Tue Aug 9 15:33:12 2022 yuta Update BHD BHD fringe contrast improved from 43% to 74% [Anchal, Yehonathan, Yuta] We did the constrast measurement with      17068   Tue Aug 9 15:50:22 2022 Koji Update BHD BHD fringe contrast improved from 43% to 74% For both 40m/17020 and 40m/17024, what does the contrast mean if the numbers      17070   Wed Aug 10 15:33:59 2022 Cici Update General Working Red Pitaya VNA TL;DR: I am now able to inject a swept sine and measure a transfer function with python on my Red Pitaya! Attached is

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