| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
12169
|
Fri Jun 10 18:16:59 2016 |
varun | Update | PSL | Realignment of pre mode cleaner | The mode cleaner was misaligned probably
due to the earthquake (the drop in the
MC transmitted value slightly after utc 7:38:52 |
|
|
17137
|
Thu Sep 8 16:03:25 2022 |
Yehonathan | Update | LSC | Realignment, arm locking, gains adjustments | {Anchal, Yehonathan}
We came this morning and the IMC
was misaligned. The IMC was realigned and |
|
|
10367
|
Tue Aug 12 02:09:39 2014 |
ericq | Update | General | Reasonable alignment restored | I took over the IFO, after Jenne's locking
efforts, which included manual alignment,
since the ASS was doing bad things. |
|
|
10369
|
Tue Aug 12 14:29:01 2014 |
ericq | Update | General | Reasonable alignment restored |
|
|
|
10744
|
Mon Dec 1 20:12:52 2014 |
ericq | Update | Modern Control | Rebirth of CESAR / ESCOBAR | I've uploaded a note at T1400735 about |
|
|
2068
|
Thu Oct 8 11:37:59 2009 |
josephb | Update | Computers | Reboot of dcuepics helped, c1susvme1 having problems | Power cycling c1dcuepics seems to have
fixed the EPICs channel problems, and c1lsc,
c1asc, and c1iovme are talking again. |
|
|
742
|
Sat Jul 26 15:09:57 2008 |
Aidan | Update | Computers | Reboot of op440m |
I was reviewing the PSL Overview screen this
afternoon and op440m completely froze when |
|
|
13935
|
Fri Jun 8 20:15:08 2018 |
gautam | Update | CDS | Reboot script | Unfortunately, this has happened (and seems
like it will happen) enough times that I
set up a script for rebooting the machine |
|
|
15071
|
Wed Dec 4 09:11:42 2019 |
Yehonathan | Update | CDS | Reboot script | After the CDSs crashed we run the rebootC1LSC.sh script.
The script is a bit annoying in
that it requires entering the CDSs' passwords |
|
|
15072
|
Wed Dec 4 12:13:10 2019 |
gautam | Update | CDS | Reboot script | It was way more annoying without a script
and took longer than the 4 minutes it does
now. |
|
|
1967
|
Fri Sep 4 16:09:26 2009 |
josephb | Summary | VAC | Rebooted RGA computer and reset RGA settings | Steve noticed the RGA was not working today.
It was powered on but no other lights were
lit. |
|
|
9562
|
Tue Jan 21 17:26:59 2014 |
Jenne | Summary | VAC | Rebooted RGA computer and reset RGA settings | [Jenne, Steve]
Steve noticed that the RGA was not
logging data and that not all the correct |
|
|
14171
|
Mon Aug 20 15:16:39 2018 |
Jon | Update | CDS | Rebooted c1lsc, slow machines | When I came in this morning no light was
reaching the MC. One fast machine was
dead, c1lsc, and a number of the slow machines: |
|
|
3931
|
Tue Nov 16 10:47:45 2010 |
Aidan | Update | Green Locking | Rebooted c1psl - added new GRNBEAT_FREQ channel | I restored C1:PSL-126MOPA_126MON to its
original settings (EGUF = -410, EGUL = 410)
and added a new calc channel called C1:LSC-EX_GRNBEAT_FREQ |
|
|
7495
|
Sun Oct 7 12:11:00 2012 |
Aidan | Update | Computers | Rebooted cymac0 | I rebooted cymac0 a couple of times. When
I first got here it was just frozen. I rebooted
it and then ran a model (x1ios). The machine |
|
|
7498
|
Mon Oct 8 09:45:28 2012 |
jamie | Update | Computers | Rebooted cymac0 |
|
|
|
3446
|
Fri Aug 20 13:09:53 2010 |
josephb | Update | elog | Rebooted elog | I had to restart the elog again.
At this point, I'm going to try to
get one of the GC guys to install gdb on |
|
|
589
|
Sat Jun 28 23:23:50 2008 |
John | Update | Computers | Rebooting | All of the computers are now showing green
lights.
|
|
|
592
|
Sun Jun 29 14:53:02 2008 |
rob | Update | Computers | Rebooting | [quote]All of the computers are now showing
green lights.
|
|
|
4003
|
Wed Dec 1 12:02:49 2010 |
josephb, alex | Update | CDS | Rebuilding frame builder with latest code | Problem:
The front ends seem to have different
gps timestamps on the data than the frame |
|
|
17079
|
Mon Aug 15 10:27:56 2022 |
Koji | Update | General | Recap of the additional measures for the outage prep | [Yuta Koji]
(Report on Aug 12, 2022)
We went around the lab |
|
|
2668
|
Thu Mar 11 17:51:04 2010 |
Koji | Update | SUS | Recent status of SOSs | Jenne, Koji
Recent status of SOSs:
|
|
|
16266
|
Thu Jul 29 14:51:39 2021 |
Paco | Update | Optical Levers | Recenter OpLevs | [yehonathan, anchal, paco]
Yesterday around 9:30 pm, we centered
the BS, ITMY, ETMY, ITMX and ETMX oplevs |
|
|
16268
|
Tue Aug 3 20:20:08 2021 |
Anchal | Update | Optical Levers | Recentered ETMX, ITMX and ETMY oplevs at good state | Late elog. Original time 08/02/2021 21:00.
I locked both arms and ran ASS
to reach to optimum alignment. ETMY PIT > |
|
|
1150
|
Fri Nov 21 16:03:50 2008 |
rana | HowTo | General | Recharging Batteries | I found some black & red "Ninja" alkaline
AA batteries in the battery charger. [COLOR=red]This
is dangerous.[/COLOR] Please
|
|
|
14091
|
Fri Jul 20 18:30:47 2018 |
Jon | Configuration | AUX | Recommend to install AUX PZT driver | I recently realized that the PLL is only
using about 20% of the available actuation
range of the AUX PZT. The +/-10 V control |
|
|
16674
|
Wed Feb 16 15:19:41 2022 |
Anchal | Update | General | Reconfigured MC reflection path for low power | I reconfigured the MC reflection path for
low power. This meant the following changes:
Replaced the 10% reflection |
|
|
7690
|
Thu Nov 8 20:54:08 2012 |
Manasa, Ayaka | Update | Alignment | Reconfirming on IPPOS, IPANG and oplevs centering |
|
|
|
1907
|
Fri Aug 14 18:33:02 2009 |
Clara | Update | | Record of Accelerometer and Seismometer Movements | Rather than make a new elog post every
time I move something, I'm going to just
keep updating this Google spreadsheet, which |
|
|
17422
|
Wed Jan 25 16:58:19 2023 |
Alex | Update | Cameras | Recording CCD cameras | Thus far, the software needed for the Magewell
video encoder has been successfully installed
on Donatella. OBS studio has also been installed |
|
|
17424
|
Thu Jan 26 00:18:54 2023 |
Koji | Update | Cameras | Recording CCD cameras | Connect any video signal supported by the
adapter. Use Windows / Mac or any other OS.
If it keeps complaining, contact Magwell |
|
|
4123
|
Fri Jan 7 00:49:16 2011 |
Jenne | Update | Green Locking | Recovered Xarm Green Lock, Preparation for Beat Note Measurement | [Kiwamu, Jenne]
We went this evening in search of
a beat note signal between the Xarm transmitted |
|
|
12611
|
Sat Nov 12 01:09:56 2016 |
gautam | Update | LSC | Recovering DRMI locking | Now that we have all Satellite boxes working
again, I've been working on trying to
recover the DRMI 1f locking over the last |
|
|
16924
|
Thu Jun 16 18:23:15 2022 |
Paco | Configuration | BHD | Recovering LO beam in BHD DCPDs | [Paco, Yuta]
We recovered the LO beam on the
BHD port. To do this, we first tried reverting |
|
|
9755
|
Wed Mar 26 22:22:43 2014 |
Manasa | Update | General | Recovery | The following
that went unnoticed from yesterday were recovered
today: |
|
|
9756
|
Thu Mar 27 10:34:39 2014 |
ericq | Update | General | Recovery |
|
|
|
10326
|
Sun Aug 3 17:19:32 2014 |
ericq | Update | General | Recovery efforts | [ericq, Jenne]
We both happened to come by today
to fix things up. |
|
|
10327
|
Sun Aug 3 23:47:56 2014 |
Koji | Update | General | Recovery efforts | It's great that you guys found the beam.
Yes, ITMX kick and lost communication |
|
|
17443
|
Thu Feb 2 19:41:49 2023 |
Anchal | Summary | PowerShutdown | Recovery from power outage events | [Anchal, JC, Radhika, Paco]
JC reported that power outage happened
twice in 40m today at around 4:17 pm. |
|
|
5592
|
Sat Oct 1 17:47:21 2011 |
Koji | Summary | General | Recovery from the power shutdown | [Steve Koji Kiwamu]
- The storage on linux1 and linux1
itself (with this order) were turned on at |
|
|
5593
|
Sat Oct 1 22:53:49 2011 |
kiwamu | Summary | General | Recovery from the power shutdown : lockable | Found the Marconi for the 11 MHz source
had been reset to its default.
=> reset the parameters. |
|
|
5599
|
Mon Oct 3 08:38:21 2011 |
steve | Summary | VAC | Recovery from the power shutdown is completed |
I failed to start Rana's favorit
anciant desktop computer at the vac rack. |
|
|
5662
|
Thu Oct 13 21:40:59 2011 |
rana | Summary | VAC | Recovery from the power shutdown is completed | As it turns out Steve is not crazy
in this particular instance: the vacuum computer,
linux3 , has some issues. I can login just |
|
|
5596
|
Sun Oct 2 13:45:13 2011 |
rana | Summary | General | Recovery from the power shutdown: apache / svn | Restarted Apache on nodus using Yoichi's
wiki instructions. SVN is back up. |
|
|
4432
|
Wed Mar 23 12:40:22 2011 |
Chief Recycling Officer | HowTo | Environment | Recycle stuff! | The following is a message from the LIGO
40m Chief Recycling Officer:
|
|
|
10449
|
Thu Sep 4 01:28:32 2014 |
ericq | Update | LSC | Recycling cavity lengths | Going off some discussion we had
at lunch today, here is my current knowledge
of the state of cavity lengths. |
|
|
10451
|
Thu Sep 4 10:10:23 2014 |
Koji | Update | LSC | Recycling cavity lengths | Com'on. This is just a 60ppm change of
the mod frequency from the nominal. How can
it change the recycling cav length by more |
|
|
10453
|
Thu Sep 4 18:16:20 2014 |
ericq | Update | LSC | Recycling cavity lengths | Koji correctly points out that I naïvely
overlooked various factors. With a similar
analysis to the wiki page, I get: |
|
|
2071
|
Thu Oct 8 21:32:59 2009 |
Koji | Summary | General | Recycling cavity loss | I looked at the data of the day before
yesterday (Oct 06) to know how much is the
recycling gain. |
|
|
1900
|
Fri Aug 14 02:57:46 2009 |
Clara | Update | PEM | Redo of the Huddle Test | I put all three seismometers and all six
accelerometers together in the foam box with
peanuts. Three of the accelerometers are |
|