ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
5943
|
Fri Nov 18 08:29:35 2011 |
Suresh | Update | IOO | HEPA air-flow effect on WFS. | [Koji, Suresh]
We investigated
the effect of airflow from the HEPA filters |
|
|
5944
|
Fri Nov 18 11:16:08 2011 |
rana | Update | IOO | eom box |
|
|
|
5945
|
Fri Nov 18 11:28:39 2011 |
rana | Update | Green Locking | Y end green PDH servo : it's okay |
|
|
|
5946
|
Fri Nov 18 12:11:24 2011 |
Zach | Update | Green Locking | Y end green PDH servo : it's okay |
|
|
|
5947
|
Fri Nov 18 15:35:18 2011 |
kiwamu | Update | IOO | RF generation box : power switch malfunction | Jenne
gave me a spare LED power switch
|
|
|
5949
|
Fri Nov 18 15:45:11 2011 |
Mirko | Update | IOO | Mode cleaner noise projection | [Rana, Den, Mirko]
Updated the MC noise projection to
include the longitudinal motion of the MC |
|
|
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
|
|
|
5951
|
Fri Nov 18 19:07:07 2011 |
Jenne | Update | RF System | Foam house on EOM | [Jenne, Zach, Frank]
Frank helped Zach and I cable up
at PT-100 RTD, and make sure it worked with |
|
|
5952
|
Fri Nov 18 19:57:19 2011 |
Mirko | Update | IOO | Mode cleaner noise projection |
Some more info on this:
|
|
|
5953
|
Fri Nov 18 23:44:33 2011 |
rana | Update | IOO | Mode cleaner noise projection | Could use some more detail on how this
measurement was done. It looks like you used
the SUSPOS signal with the mirror moving, |
|
|
5954
|
Sat Nov 19 00:09:02 2011 |
Zach | Update | RF System | Foam house on EOM |
|
|
|
5955
|
Sat Nov 19 00:34:36 2011 |
Zach | Update | RF System | why the Newport 6000 isn't working | I just figured out why the Newport
6000 isn't stabilizing the temperature. It is designed |
|
|
5956
|
Sat Nov 19 00:47:24 2011 |
Zach | Update | Green Locking | Y-Arm locked with PDH Box #17 | I installed the newly modified PDH |
|
|
5957
|
Sat Nov 19 01:26:16 2011 |
Den | Update | IOO | Mode cleaner noise projection |
|
|
|
5958
|
Sat Nov 19 06:04:43 2011 |
Suresh | Update | IOO | MC_WFS Servo: The MC2_TRANS_PIT and YAW loops switched ON | Without adding significant amounts of noise
to other WFS loops I have engaged the MC2_TRANS_PIT
and YAW loops. |
|
|
5959
|
Sat Nov 19 10:41:30 2011 |
rana | Update | IOO | MC_WFS Servo: The MC2_TRANS_PIT and YAW loops switched ON | I'm quite sure that this is not good: since
MC2 can
produce a signal in WFS1 and WFS2, it cannot |
|
|
5960
|
Sat Nov 19 12:57:55 2011 |
Mirko | Update | IOO | Mode cleaner noise projection |
|
|
|
5961
|
Sat Nov 19 15:58:04 2011 |
Mirko | Update | IOO | Some more looks into OSEM noise | [Den, Mirko]
We looked some more into the the
OSEM signals and their coherence to the seismometer |
8x |
|
5962
|
Sun Nov 20 13:51:54 2011 |
steve | Update | VAC | vacuum is back up after ac interruption | State condition: Vac Normal,
CC1 ~8e-6 Torr
The IFO pressure peaked at |
|
|
5963
|
Sun Nov 20 14:48:55 2011 |
kiwamu | Update | General | recovery from the power shutdown | Recovery
from the power shutdown
- Turned on the raid disk of |
|
|
5964
|
Sun Nov 20 15:11:09 2011 |
kiwamu | Update | IOO | RFAM monitoring test | DO NOT CHANGE
THE IFO ALIGNMENT UNTIL TOMORROW MORNING |
|
|
5965
|
Sun Nov 20 15:33:37 2011 |
rana | Update | General | recovery from the power shutdown | restarted Apache on Nodus for the
SVN as per wiki instructions |
|
|
5966
|
Mon Nov 21 12:48:00 2011 |
Jenne | Update | IOO | RFAM monitoring test | I don't think I touched/adjusted/whatever
anything, but I did open the PSL table ~5-10min
ago to measure the size of the Kiwamu-Box, |
|
|
5967
|
Mon Nov 21 14:15:25 2011 |
Jenne | Update | IOO | RFAM monitoring test |
|
|
|
5968
|
Mon Nov 21 14:35:28 2011 |
kiwamu | Update | IOO | RFAM monitoring test | |
|
|
5969
|
Mon Nov 21 15:47:58 2011 |
Mirko | Update | IOO | Osem loop shape | [Jenne, Mirko]
To
reiterate: We changed the OSEM loop shape |
|
|
5970
|
Mon Nov 21 16:08:04 2011 |
kiwamu | Update | Green Locking | 2nd trial of Y arm ALS noise budget : broad band noise gone |
|
|
|
5971
|
Mon Nov 21 17:07:34 2011 |
Mirko | Update | CDS | c1pem model dead | For some reason C1PEM doesn't seem to work
anymore after a recompilation. It did recompile
fine. We just changed some channel / subsystem |
|
|
5972
|
Mon Nov 21 17:48:36 2011 |
Koji | Update | IOO | RFAM monitoring test | Do we care about the AC? I thought what
we care is the DC. |
|
|
5973
|
Mon Nov 21 22:51:55 2011 |
Mirko | Update | CDS | c1pem model dead |
|
|
|
5974
|
Tue Nov 22 00:19:10 2011 |
kiwamu | Update | SUS | c1auxey hadware rebooted | I found that the slow machine c1auxey,
which controls and monitoring the ETMY suspension |
|
|
5975
|
Tue Nov 22 04:02:47 2011 |
kiwamu | Update | IOO | changed MC alignment | I
have changed the MC2_YAW DC bias because
the PZT1_YAW was railing. |
|
|
5976
|
Tue Nov 22 06:12:43 2011 |
Zach | Update | RF System | Prototype temperature controller | Tonight I built a simpler version of |
|
|
5977
|
Tue Nov 22 14:39:50 2011 |
Jenne | Update | elog | Afternoon elog restart | Gave the elog its afternoon / tea-time
reboot, since it was hanging yet again. |
|
|
5978
|
Tue Nov 22 15:18:18 2011 |
kiwamu | Update | Green Locking | broad band noise depends on the gain of Y green PDH. and comaprator broken |
|
|
|
5979
|
Tue Nov 22 18:15:39 2011 |
jamie | Update | CDS | c1iscex ADC found dead. Replaced, c1iscex working again | c1iscex has not been running for a couple
of days (since the power shutdown at least).
I was assuming that the problem was recurrence |
|
|
5980
|
Tue Nov 22 18:42:10 2011 |
kiwamu | Summary | Green Locking | Some issues on the Y end green PDH locking | [Rana / Kiwamu]
As
a part of the ALS noise budgeting we took |
|
|
5981
|
Tue Nov 22 20:45:21 2011 |
Mirko | Update | IOO | Measurement of the actuator matrix | Tried measuring the actuator matrix for
MC1.
With the watchdogs tripped I cut |
|
|
5982
|
Tue Nov 22 23:06:13 2011 |
kiwamu | Update | SUS | MC watchdogs | [Rana / Mirko / Kiwamu]
|
|
|
5983
|
Wed Nov 23 00:00:53 2011 |
Zach | Summary | Green Locking | Some issues on the Y end green PDH locking |
|
|
|
5984
|
Wed Nov 23 00:30:14 2011 |
Zach | Update | RF System | EOM temperature controller trials | [Jenne, Zach]
We did some testing of the prototype
temperature controller. When I left it late |
|
|
5985
|
Wed Nov 23 00:30:55 2011 |
Zach | Update | elog | sucks | Tried the script 3 times and it didn't
come back. Pkill'd and then scripted. That
worked. |
|
|
5986
|
Wed Nov 23 02:34:28 2011 |
Mirko | Update | PEM | Seismic spectrum & Striptool | The Striptool for the BLRMS seismic channels
is running now. Channels are ( still ) recorded
as slow EPICS channels. |
|
|
5987
|
Wed Nov 23 13:53:36 2011 |
Zach | Update | Green Locking | Sensor noise | The in-loop Y-Arm error signal looks
equal to the beat note noise divided by the
Y-Arm OL gain in the broadband-noise region |
|
|
5988
|
Wed Nov 23 14:47:14 2011 |
Jenne | Configuration | Environment | AC in the IFO room was off | I turned it back on, maybe around 11am?
Definitely a little while before the 12:30
meeting. |
|
|
5989
|
Wed Nov 23 16:48:39 2011 |
Suresh | Update | General | cable cleanup | [Koji Suresh]
As part of the general lab clean
up we removed many unused BNC cables (long |
|
|
5990
|
Wed Nov 23 16:55:57 2011 |
Suresh | Update | IOO | MC realigned | The PSL alignment into the MC was too poor
for the autolocker to engage. So retaining
the last coil slider settings on the MC_Align |
|
|
5991
|
Wed Nov 23 18:28:09 2011 |
Koji | Update | IOO | RFAMPD channels / EOM monitor channels added to DAQ | The
following channels have been registered in
c1iool0 database, and are now recorded by |
|
|
5992
|
Wed Nov 23 22:58:33 2011 |
Koji | Update | General | c1iscaux2 is back (re: recovery from the power shutdown) | Keying again did not help to solve the
issue. I turned off the power at the back
of the crate, and turn it on again. |
|
|
5993
|
Thu Nov 24 01:28:09 2011 |
kiwamu | Update | General | 1X8 sorensen came back |
|
|