| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
12808
|
Tue Feb 7 16:23:49 2017 |
Steve | Update | General | power interruption tomorrow |
received this note: at 4:11pm Tuesday, Feb
7, 2017 |
|
|
3924
|
Mon Nov 15 15:02:00 2010 |
Koji | Summary | PSL | power measurements around the PMC | [Valera Yuta Kiwamu Koji]
Kiwamu burtrestored c1psl. We measured
the power levels around the PMC. |
|
|
6156
|
Fri Dec 30 22:05:16 2011 |
kiwamu | Update | LSC | power normalization in LSC | Now a power
normalization is doable for the LSC error |
|
|
6158
|
Tue Jan 3 15:48:39 2012 |
kiwamu | Update | LSC | power normalization in LSC | It
turned out that the power normalization need
a modification. |
|
|
6170
|
Wed Jan 4 16:22:30 2012 |
kiwamu | Update | LSC | power normalization in LSC : modification done | The
dynamic power normalization system has been
modified such that the normalization happen |
|
|
4011
|
Sun Dec 5 22:28:39 2010 |
rana | Summary | all down cond. | power outage | Looks like there was a power outage.
The control room workstations
were all off (except for op440m). Rosalba |
|
|
4012
|
Mon Dec 6 11:53:20 2010 |
josephb, kiwamu | Summary | all down cond. | power outage | The monitors for allegra and rossa's seemed
to be in a weird state after the power outage.
I turned allegra and rossa on, but didn't |
|
|
4013
|
Mon Dec 6 11:57:21 2010 |
Koji | Summary | all down cond. | power outage | I checked the vacuum system and judged
there is no apparent issue.
The chambers and annulus had been |
|
|
7476
|
Thu Oct 4 08:39:58 2012 |
Steve | Update | General | power outage | There had to be a power outage. Laser
and air condition turned back on. The vacuum |
|
|
13492
|
Tue Dec 26 17:24:24 2017 |
Steve | Update | General | power outage | There was a power outage.
The IFO pressure is 12.8 mTorr-it
and it is not pumped. V1 is still closed. |
|
|
13755
|
Mon Apr 16 22:09:53 2018 |
Kevin | Update | General | power outage - BLRM recovery | I've been looking into recovering the
seismic BLRMs for the BS Trillium seismometer.
It looks like the problem is probably |
|
|
13493
|
Thu Dec 28 17:22:02 2017 |
gautam | Update | General | power outage - CDS recovery |
I had to manually reboot c1lsc,
c1sus and c1ioo.
I edited the
line in /etc/rt.sh (specifically, on FB /diskless/root.jessie/etc/rt.sh) |
|
|
13510
|
Sat Jan 6 18:27:37 2018 |
gautam | Update | General | power outage - IFO recovery | Mostly back to nominal operating conditions
now.
EX TransMon QPD is not |
|
|
13503
|
Thu Jan 4 14:39:50 2018 |
gautam | Update | General | power outage - timing error | As mentioned in my previous elog, the CDS
overview screen "DC" indicators
are all RED (everything else is green). Opening |
|
|
13506
|
Fri Jan 5 21:54:28 2018 |
rana | Update | General | power outage - timing error | Rolf came here in the morning, but not
sure what he did or if Jamie remotely did
something. But the screen is green. |
|
|
13507
|
Fri Jan 5 22:19:53 2018 |
gautam | Update | General | power outage - timing error | Just putting the relevant line from email
from Rolf which at least identifies the problem
here: |
|
|
3163
|
Wed Jul 7 00:15:29 2010 |
tara,Rana | Summary | PSL | power spectral density from RefCav transmitted beam | I measured
the RC transmitted light signals here at
the 40m. I made all connections through |
|
|
3164
|
Wed Jul 7 10:42:29 2010 |
Koji | Summary | PSL | power spectral density from RefCav transmitted beam | How do you calibrate this to Hz/rtHz?
|
|
|
9506
|
Fri Dec 20 20:04:01 2013 |
Steve | Update | VAC | power supply replaced with a short vent |
|
|
|
9508
|
Fri Dec 20 23:00:41 2013 |
Koji | Update | VAC | power supply replaced with a short vent | I'm leaving the 40m now. IFO is aligned. Everything
look good. |
|
|
9516
|
Fri Jan 3 11:18:41 2014 |
Steve | Summary | VAC | power supply replaced with a short vent |
|
|
|
9510
|
Sat Dec 21 10:53:35 2013 |
Steve | Update | VAC | power supply replaced with a short vent-pumpdown completed | The recovery- pumpdown reached valve configuration
vacuum normal at 20 hours, cc1 7.7e-6 Torr
|
|
|
6860
|
Sat Jun 23 18:44:15 2012 |
steve | Update | General | power surge has no effect on the lab | I was notified by CIT Utilities that there
was a power surge or short power outage this
after noon. |
|
|
7088
|
Mon Aug 6 09:46:31 2012 |
steve | Update | IOO | poweroutage turns laser off |
. Power |
|
|
7800
|
Sat Dec 8 04:12:38 2012 |
Den | Update | LSC | prcl | Today I wanted to check that AS and
REFL beams are real and contain proper information
about interferometer. For this I locked YARM |
|
|
8446
|
Fri Apr 12 02:56:34 2013 |
Den | Update | Locking | prcl angular motion | I compared PCRL and XARM angular motions
by misaligning the cavities and measuring
power RIN. Divergence angles for both cavities |
|
|
8447
|
Fri Apr 12 09:20:32 2013 |
rana | Update | Locking | prcl angular motion | How
is the cavity g-factor accounted for in this |
|
|
8449
|
Fri Apr 12 13:21:34 2013 |
Den | Update | Locking | prcl angular motion |
|
|
|
8450
|
Sat Apr 13 03:45:51 2013 |
rana | Update | Locking | prcl angular motion |
Maybe its equivalent, but I
would have assumed that the input beam is |
|
|
8451
|
Sat Apr 13 23:11:04 2013 |
Den | Update | Locking | prcl angular motion |
|
|
|
8454
|
Sun Apr 14 17:56:03 2013 |
rana | Update | Locking | prcl angular motion |
|
|
|
8564
|
Mon May 13 18:44:04 2013 |
Jenne | Update | Locking | prcl angular motion | I want to redo this estimate of where RIN
comes from, since Den did this measurement
before I put the lens in front of the POP |
|
|
14437
|
Wed Feb 6 10:07:23 2019 |
Chub | Update | | pre-construction inspection | The Central Plant building will be undergoing
seismic upgrades in the near future.
The adjoining north wall along the Y arm |
|
|
5591
|
Fri Sep 30 19:12:56 2011 |
Koji | Update | General | prep for poweroutage |
[Koji Jenne]
The lasers were shutdown |
|
|
13383
|
Tue Oct 17 17:53:25 2017 |
jamie | Summary | LSC | prep for tests of Gabriele's neural network cavity length reconstruction | I've been preparing for testing Gabriele's
deep
neural network MICH/PRCL reconstruction. |
|
|
13390
|
Wed Oct 18 12:14:08 2017 |
jamie | Summary | LSC | prep for tests of Gabriele's neural network cavity length reconstruction |
|
|
|
6892
|
Fri Jun 29 02:17:40 2012 |
yuta | Update | IOO | prep for the vent - beam attenuating | [Koji, Jamie, Yuta]
We attenuated the incident beam (1.2 |
|
|
6893
|
Fri Jun 29 03:21:32 2012 |
yuta | Update | General | prep for the vent - others | 1. Turned off high voltage power supplies
for PZT1/2 (input PZTs) and OMC stage 1/2.
They live in 1Y3 rack and AUX_OMC_NORTH rack. |
|
|
14022
|
Tue Jun 26 20:59:36 2018 |
aaron | Update | OMC | prep for vent in a couple weeks | I checked out the elog from the vent in
October 2016 when the OMC was removed from
the path. In the vent in a couple weeks, |
|
|
4574
|
Wed Apr 27 18:14:48 2011 |
kiwamu | Update | LSC | preparation for DRMI locking : RF status | |
|
|
2644
|
Fri Feb 26 15:32:13 2010 |
steve | Configuration | VAC | preparation for power outage: vacuum all off | There is a planned power outage tomorrow,
Saturday from 7am till midnight.
I vented all annulies and switched |
|
|
13806
|
Wed May 2 10:03:58 2018 |
Steve | HowTo | SEI | preparation of load cell measurement at ETMX | Gautam and Steve,
We have calibrated the load
cells. The support beams height monitoring |
6x |
|
13809
|
Thu May 3 09:56:42 2018 |
Steve | HowTo | SEI | preparation of load cell measurement at ETMX | [ Dennis Coyne' precision answer
]
|
|
|
13840
|
Mon May 14 08:55:40 2018 |
Dennis Coyne | HowTo | SEI | preparation of load cell measurement at ETMX | follow
up email from Dennis 5-13-2018. |
|
|
5089
|
Tue Aug 2 02:35:23 2011 |
kiwamu | Update | General | preparation of the vent : status and plan | The vent
will take place on Wednesday. |
|
|
5078
|
Sun Jul 31 22:48:35 2011 |
kiwamu | Summary | General | preparation of the vent : status update | Status
update for the vent preparation:
|
|
|
5080
|
Mon Aug 1 08:52:37 2011 |
steve | Update | VAC | preparation to vent | Both arms locked easely around 1V transmited.
We should recenter oplevs. |
|
|
2778
|
Wed Apr 7 09:00:01 2010 |
steve | HowTo | PEM | prepare to open chamber | In order to minimize the diffusion of more
dust particles into the vented IFO vacuum
envelope |
|
|
5950
|
Fri Nov 18 16:37:14 2011 |
steve | Update | VAC | preparing for ac power interruption | The vacuum is ready for no AC power for
1 hr on Sunday morning at 10am
|
|
|
10467
|
Mon Sep 8 08:24:49 2014 |
Steve | Update | Computer Scripts / Programs | preparing vac system to reboot | Q and Steve will follow elog 10028
entry to prepare the vacuum system for safe
reboot |
|