| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
9560
|
Thu Jan 16 21:38:13 2014 |
ericq | Update | LSC | Repeat of PRC length measurement | [ericq,Jenne]
Since we don't have agreement between
the measurements we made the other day and |
|
|
9559
|
Thu Jan 16 08:19:29 2014 |
Steve | Update | PEM | 4.4 and 3.8M local earth quakes |
|
|
|
9558
|
Wed Jan 15 18:42:57 2014 |
Jenne | Update | ASC | POP ASC QPD offline for a few hours this afternoon | I was in the lab, near the south end of
the ITMX oplev table, looking for something,
and I bumped the POP ASC QPD's power supply. |
|
|
9557
|
Wed Jan 15 18:18:15 2014 |
Gabriele | Summary | LSC | PRC length measurement analysis | I analyzed the data we took yesterday,
both using AS11 and AS55. For each value
of the phase I estimated the Q/P ratio using |
|
|
9556
|
Wed Jan 15 13:05:30 2014 |
Jenne | Update | PEM | 4.4 EQ in Fontana, CA | It looks like there was a 4.4 magnitude
earthquake near Fontana, CA around 1:30am
today. This tripped all of the suspension |
|
|
9555
|
Tue Jan 14 19:10:51 2014 |
Gabriele | Summary | LSC | PRC length measurement | [EricQ, Gabriele]
We could carry out the measurement
of PRC length. The AS110 photodiode was plugged |
|
|
9554
|
Tue Jan 14 19:05:48 2014 |
Gabriele | Summary | LSC | PRMI locked on sideband | [Gabriele, EricQ]
Finally, we managed to lock PRMI
on sidebands: |
|
|
9553
|
Tue Jan 14 10:34:57 2014 |
Steve | Update | PSL | green transmission measurment | GariLyn is using our green light on the
west side of the PSL table. The green PDA36As
were moved and the HEPA turned up to 60V |
|
|
9552
|
Tue Jan 14 10:12:12 2014 |
Steve | Update | PSL | laser drift monitor set up idea |
|
|
|
9551
|
Mon Jan 13 19:31:04 2014 |
Gabriele | Summary | LSC | PRMI locking | [Gabriele, EricQ]
We wanted to try the PRC length measurement,but
we ended up spending all the afternoon to |
|
|
9550
|
Mon Jan 13 16:50:55 2014 |
Steve | Update | VAC | Maglev controller needs service |
|
|
|
9549
|
Mon Jan 13 11:08:48 2014 |
Steve | Update | PSL | 3 good days of IOO pointing | Three good days of IOO pointing:
Friday, Sat and Sun What
was changed? May be the clamping on |
|
|
9548
|
Sun Jan 12 09:57:24 2014 |
Gabriele | Summary | LSC | Effect of PRC length mismatch on error signals |
|
|
|
9547
|
Fri Jan 10 15:33:02 2014 |
Steve | Update | PSL | laser drift monitor set up idea |
|
|
|
9546
|
Fri Jan 10 15:31:07 2014 |
rana | Summary | LSC | Effect of PRC length mismatch on error signals |
Its very doubtful that the
MC yaw drift matters for the IFO. That's |
|
|
9545
|
Fri Jan 10 10:28:03 2014 |
Steve | Update | PSL | PSL pointing changes |
I looked at IOO QPDs again. QPD_POS
was clamped by one screw. Dog clamp was added |
|
|
9544
|
Thu Jan 9 17:58:31 2014 |
ericq | Summary | LSC | Effect of PRC length mismatch on error signals | [ericq, Gabriele, Manasa]
We wanted to perform the PRC
length measurement today with an AS11 signal, |
|
|
9543
|
Thu Jan 9 17:21:45 2014 |
rana | Update | General | IFO plan, IPANG telescope |
|
|
|
9542
|
Thu Jan 9 10:34:58 2014 |
Steve | Update | PSL | PSL pointing changes in pitch | IOO QPDs tested in dark, lighted
and open PSL enclosure. The created temperature
change 0.03 C has effect on monitoring |
|
|
9541
|
Wed Jan 8 19:05:30 2014 |
Gabriele | Summary | LSC | Effect of PRC length mismatch on error signals | [Gabriele,
EricQ]
|
|
|
9540
|
Wed Jan 8 17:53:26 2014 |
manasa | Update | General | IFO plan, IPANG telescope | For the IPANG telescope design, we are
in the 'beyond the Rayleigh range' regime.
So using a single lens to make the beam small |
|
|
9539
|
Wed Jan 8 16:08:52 2014 |
ericq | Summary | LSC | Effect of PRC length mismatch on error signals | [ericq,Gabriele]
So, we want an relatively quick measurement
of the PRC length error (with sign!) at the |
|
|
9538
|
Wed Jan 8 13:46:39 2014 |
Jenne | Update | General | IFO plan, PRM baffle |
|
|
|
9537
|
Wed Jan 8 13:01:48 2014 |
Gabriele | Summary | LSC | Effect of PRC length mismatch on error signals | I
ran a simulation of a double cavity with
a PRC length mismatched w.r.t. the modulation |
|
|
9536
|
Tue Jan 7 23:53:35 2014 |
Jamie | Update | CDS | daqd can't connect to c1vac1, c1vac2 | dadq is logging the following error messages
to it's log related to the fact that it can't
connect to c1vac1 and c1vac2: |
|
|
9535
|
Tue Jan 7 23:50:27 2014 |
jamie | Update | CDS | /frames space cleared up, daqd stabilized | The wiper script is done and deleted a
whole bunch of stuff to clean up some space:
controls@fb ~ 0$ /opt/rtcds/caltech/c1/target/fb/wiper.pl |
|
|
9534
|
Tue Jan 7 23:24:41 2014 |
Jenne | Update | General | IFO plan, list o' things to do | It seems that
the most important short-term task we have |
|
|
9533
|
Tue Jan 7 23:13:47 2014 |
jamie | Update | CDS | /frames is full, causing daqd to die |
|
|
|
9532
|
Tue Jan 7 23:09:10 2014 |
manasa | Update | IOO | MC aligned |
|
|
|
9531
|
Tue Jan 7 23:08:01 2014 |
jamie | Update | CDS | /frames is full, causing daqd to die |
|
|
|
9530
|
Tue Jan 7 22:44:45 2014 |
Jenne | Update | CDS | daqd on fb is segfaulting every ~30 seconds | The daqd process is segfaulting and restarting
itself every 30 seconds or so. It's
pretty frustrating. |
|
|
9529
|
Tue Jan 7 21:00:02 2014 |
Jenne | Update | IOO | IP POS, IP ANG aligned | After locking the arms (after the MC alignment
work), Manasa and I aligned IP POS, IP ANG,
and both end transmission QPDs. |
|
|
9528
|
Tue Jan 7 20:57:41 2014 |
Jenne | Update | IOO | MC aligned | [Rana, Jenne]
We turned off the WFS servos, and
looked at the MC REFL DC, and saw that it |
|
|
9527
|
Tue Jan 7 17:16:04 2014 |
manasa | Update | IOO | MC aligned |
|
|
|
9526
|
Tue Jan 7 16:41:08 2014 |
manasa | Update | IOO | WFS moving MC suspensions |
|
|
|
9525
|
Tue Jan 7 11:11:36 2014 |
rana | Update | IOO | MC drift |
NOT drift. The sudden steps
are certainly the result of being kicked. |
|
|
9524
|
Tue Jan 7 10:44:13 2014 |
Steve | Update | IOO | MC drift |
|
|
|
9523
|
Mon Jan 6 22:11:46 2014 |
Jenne | Update | LSC | PRCL sideband locking still not so happy |
The PRCL once again doesn't
want to lock on sidebands for me. I |
|
|
9522
|
Mon Jan 6 20:52:09 2014 |
Jenne | Update | IOO | MC1/3 kicked this morning at 8:30 | When I got in this morning at 9-something
(9:45 maybe?), Steve was taking dust photos
on the AS table, of the MC Refl path. |
|
|
9521
|
Mon Jan 6 18:32:17 2014 |
RANA | Update | IOO | MC1/3 kicked this morning at 8:30 | The trend shows a big jolt to the
MC1/3 pointing this morning at 8:30.
Was anyone working |
|
|
9520
|
Mon Jan 6 16:32:40 2014 |
Koji | Summary | General | linux1 RAID crash & recovery | Since this configuration change, the daily
backup was speeded up by factor of more than
two. |
|
|
9519
|
Mon Jan 6 16:30:31 2014 |
Jenne | Summary | PSL | PSL pointing monitoring | I'm not sure which pointing Rana wanted
to fix today, but here's a measurement of
the MC spots. They actually look pretty |
|
|
9518
|
Fri Jan 3 18:21:45 2014 |
rana | Summary | PSL | PSL pointing monitoring |
I went to the PSL table to
re-align the input pointing to the IMC. After |
|
|
9517
|
Fri Jan 3 15:19:39 2014 |
rana | Summary | PSL | PSL pointing monitoring | This |
|
|
9516
|
Fri Jan 3 11:18:41 2014 |
Steve | Summary | VAC | power supply replaced with a short vent |
|
|
|
9515
|
Thu Jan 2 13:35:06 2014 |
Koji | Update | VAC | vacuum monitor is still blank | We probably need to restart the machine,
but I didn't want to touch c1vac1 and c1vac2. |
|
|
9514
|
Thu Jan 2 10:50:24 2014 |
Steve | Update | VAC | vacuum monitor is still blank | The date is correct on this monitor.
Last stored RGA scan data Dec 20,
2013 |
|
|
9513
|
Thu Jan 2 10:15:20 2014 |
Jamie | Summary | General | linux1 RAID crash & recovery | Well done Koji! I'm very impressed
with the sysadmin skillz. |
|
|
9512
|
Wed Jan 1 15:01:29 2014 |
Koji | Summary | General | IFO recovery | IFO restart after the recovery of
linux1
Machine recovery in the following |
|
|
9511
|
Tue Dec 31 23:19:58 2013 |
Koji | Summary | General | linux1 RAID crash & recovery | Dec 22 between 6AM and 7AM, physical or
logical failure has occure on the 4th disk
in the RAID array on linux1. |
|