| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
11305
|
Mon May 18 18:03:12 2015 |
rana | Update | General | some status | The c1cal model was maxing out its CPU
meter so I logged onto c1lsc and did 'rtcds
c1cal stop'. Let's see if this changes |
|
|
11306
|
Tue May 19 00:19:23 2015 |
rana | Update | General | some status | There's a few hours so far after today's
c1cal shut off that the summary page shows
no dropouts. I'm not yet sure that this |
|
|
11307
|
Tue May 19 11:15:09 2015 |
ericq | Update | Computer Scripts / Programs | Chiara Backup Hiccup | Starting on the 14th (five days ago) the
local chiara rsync backup of /cvs/cds to
an external HDD has been failing: |
|
|
11308
|
Tue May 19 11:24:44 2015 |
ericq | Update | Computer Scripts / Programs | Notification Scheme | Given some of the things we've facing
lately, it occurs to me that we could be
better served by having some sort of unified |
|
|
11309
|
Tue May 19 11:50:52 2015 |
manasa | Update | PEM | No noticeable effect from M4.0 earthquake | There was an earthquake: M4.0
- 40km SSW of South Dos Palos, California
No noticeable effects on the IFO. |
|
|
11310
|
Tue May 19 14:51:44 2015 |
ericq | Update | Modern Control | Brushing up on Wiener Filtering | As part of preparing for the SURF projects
this summer, I grabbed ~50 minutes of MCL
and STS_1 data from early this morning to |
|
|
11311
|
Tue May 19 16:18:57 2015 |
ericq | Update | General | crons fixed | I wrapped rampdown.py in rampdown.sh, which
is just these lines:
#!/bin/bash |
|
|
11312
|
Tue May 19 17:03:34 2015 |
Koji | Update | CDS | MXstream restart script working (beta) | AutoMX is resetting mx_stream every 5 minutes.
Basically everytime AutoMX is called,
it resets mx_stream. Is the mx_stream |
|
|
11313
|
Tue May 19 17:53:38 2015 |
rana | Update | Modern Control | Brushing up on Wiener Filtering | Good to see that misofw.m is still alive
and well. Todo:
Apply weighting to the |
|
|
11314
|
Tue May 19 18:38:33 2015 |
rana | Update | CDS | MXstream restart script working (beta) | Good catch; that was some seriously bad
programming on my part. I had some undeclared
variable garbage going on. I fixed it and |
|
|
11315
|
Tue May 19 18:55:12 2015 |
rana, ericQ | Update | General | some status | After one day the pressures are east/west
= 2200/450 PSI
|
|
|
11316
|
Tue May 19 19:24:30 2015 |
rana | Update | PEM | Seismic BLRMS filters | I was wondering about the design of the
BLRMS fitlers for the seismic channels since
the STS ones seem to have so little gain |
|
|
11317
|
Wed May 20 03:08:27 2015 |
rana | Update | General | some status | I think that the real clue was that the
dropouts are in some channels and not in
others: |
|
|
11318
|
Wed May 20 11:41:59 2015 |
ericq | Update | General | some status | West cyclinder is empty, east is at
2000 psi; regulated N2 pressure is 64psi. I'll
replace the west one after the meeting. |
|
|
11319
|
Fri May 22 11:59:54 2015 |
ericq | Update | SUS | DampRestore script problem | PRM watchdog tripped, but the damprestore.py
script wouldn't run.
It turns out the script tries to |
|
|
11320
|
Fri May 22 12:09:57 2015 |
rana | Update | SUS | DampRestore script problem | I will move it back. We need to fix our
scripts to not use any users/ libraries ever
again. |
|
|
11321
|
Fri May 22 18:09:58 2015 |
ericq | Update | Computer Scripts / Programs | ifoCoupling | I've started working on a general routine
to measure noise couplings in our interferometers.
Often this is done with swept sine measurements, |
|
|
11322
|
Sat May 23 22:43:10 2015 |
ericq | Update | General | ifo recovery log | Running train-of-thought elog:
East N2 cylinder found |
|
|
11324
|
Tue May 26 11:05:10 2015 |
Steve | Update | PEM | worked around ETMY seism. | The cable tray holder cross beam is removed
and cut short for good access to seismometer. |
|
|
11325
|
Tue May 26 19:57:11 2015 |
rana | Update | Computer Scripts / Programs | ifoCoupling | Looks like a very handy
code, especially with the real statistical |
|
|
11326
|
Wed May 27 02:53:57 2015 |
ericq | Update | General | ifo recovery log | Given my suspicion of fault with the X
Green BBPD, Koji generously provided me with
another one that he had confirmed to be working. |
|
|
11327
|
Wed May 27 15:20:54 2015 |
ericq | Update | Computer Scripts / Programs | Chiara Backup Hiccup | The local chiara backups are still failing
due to vanished source files. I've emailed
Max about the summary page jobs, since |
|
|
11328
|
Wed May 27 17:14:08 2015 |
ericq | Update | LSC | X Aux Laser crystal temperature changed | Rana suspects that the lack of X beatnote
is related to the PSL laser temperature change
(ELOG |
|
|
11329
|
Thu May 28 10:42:19 2015 |
Steve | Update | PEM | bad Guralp X-cable |
|
|
|
11330
|
Thu May 28 15:10:44 2015 |
rana | Update | PEM | Seismic Confusion | You are plotting the STS channels,
not Guralp. These are for the Trillium
240 seismometer. |
|
|
11331
|
Thu May 28 16:43:52 2015 |
Steve | Update | PEM | Guralps swapped | Koji and Steve,
The result: bad Guralp x-arm cable.
I will swap the short cables tomorrow |
|
|
11332
|
Thu May 28 17:00:04 2015 |
Koji | Update | IOO | FSS SLOW not engaged: is this intentional? | I found that FSS SLOW servo is not engaged.
Is this intentional test to keep the NPRO
temp constant? |
|
|
11333
|
Thu May 28 17:12:32 2015 |
ericq | Update | IOO | FSS SLOW not engaged: is this intentional? | Yes, I had turned it off while looking
for the PSL/X AUX beat, and forgot to turn
it back on. |
|
|
11334
|
Thu May 28 21:10:46 2015 |
Koji | Update | Green Locking | ALS-X noise hunting | I have been looking at the X-end ALS setup.
I was playing with the control bandwidth
to see the effect to the phase tracker output |
|
|
11335
|
Fri May 29 02:05:08 2015 |
ericq | Update | LSC | End Laser temperatures set | Both
green beatnotes have been found with nominal
amplitudes. (X: -30dBm Y: -20dBm), at temperatures |
|
|
11336
|
Fri May 29 11:28:42 2015 |
ericq | Update | Computer Scripts / Programs | Chiara Backup Hiccup | I've changed the chiara local backup
script to read a folder exclusion file, and
excluded /users/public_html/detcharsummary, |
|
|
11337
|
Fri May 29 12:49:53 2015 |
Koji | Update | Computer Scripts / Programs | Chiara Backup Hiccup | In fact, the file access is supposed to
be WAY faster now than in the RAID case.
As |
|
|
11338
|
Fri May 29 15:12:39 2015 |
Koji | Update | Computer Scripts / Programs | Chiara Backup Hiccup | Actual data |
|
|
11339
|
Mon Jun 1 08:32:14 2015 |
Steve | Update | SUS | PRM damping restored | Local earthquake 3.8 Mag tripped only PRM
Vac monitor is not communicating.
PSL HEPA turned on |
|
|
11340
|
Mon Jun 1 10:26:53 2015 |
ericq | Update | CDS | RCG Upgrade Imminent | We
are planning on upgrading the 40 CDS system
to the latest version of the LIGO RCG software, |
|
|
11341
|
Mon Jun 1 15:22:19 2015 |
Steve | Update | PEM | Guralps X- short cable is bad |
|
|
|
11342
|
Mon Jun 1 20:05:36 2015 |
rana | Update | CDS | RCG Upgrade Imminent |
|
|
|
11344
|
Wed Jun 3 11:55:52 2015 |
Steve | Update | Optical Levers | PRM-BS oplev | I'm getting ready change the Newport
Ultima U100-AC to SS-Polaris-K1
LOW DRIFT MIRROR MOUNTS |
|
|
11345
|
Wed Jun 3 17:04:08 2015 |
ericq | Update | PEM | Wilcoxon Accelerometer Huddle Test | I've set up the Wilcoxon accelerometers
on the SP table for a huddle test, to estimate
their noise levels. |
|
|
11347
|
Mon Jun 8 15:51:31 2015 |
ericq | Update | CDS | RCG Diagnostics | I've started making some model changes
for RCG diagnostic tests.
I put some blocks down in C1TST |
|
|
11349
|
Tue Jun 9 10:57:12 2015 |
Steve | Update | SUS | BS oplev laser tuned | Lenses removed from oplev beam path at
elog entry 11246
|
|
|
11350
|
Wed Jun 10 02:50:39 2015 |
ericq | Update | PEM | Wilcoxon Accelerometer Huddle Test | Here are some results for the 3-corner
hat subtraction for the six accelerometers,
from ~1 hour of data that didn't |
|
|
11351
|
Wed Jun 10 03:19:58 2015 |
ericq | Update | LSC | AUX PDH error measured in CDS | Looking over the old noise budget in the
green locking paper, it seems the main technical
noise sources were the AUX PDH error and |
|
|
11352
|
Wed Jun 10 15:54:14 2015 |
Steve | Update | VAC | Vacuum comp. rebooted | Koji and Steve succeded rebooting C1vac1,
C1vac2 and pressure reading is working now
More tomorrow ......... |
|
|
11353
|
Thu Jun 11 19:40:59 2015 |
Koji | Update | VAC | Vacuum comp. rebooted | The serial connections to the vacuum gauges
were recovered by rebooting c1vac1 and c1vac2.
Steve claimed that the vacuum screen |
|
|
11354
|
Fri Jun 12 08:40:17 2015 |
Steve | Update | VAC | Vacuum comp. rebooted | Koji and Steve,
One computer expert and one vacuum
expert required. |
|
|
11355
|
Fri Jun 12 17:09:58 2015 |
ericq | Update | LSC | Beatbox needs whitening gain | Short entry just to preview a new development;
more detail about this investigation will
soon follow. |
|
|
11356
|
Sat Jun 13 18:37:46 2015 |
ericq | Update | LSC | Beatbox needs whitening gain | Here are the promised details!
I was worried about the lack of
whitening gain, as I saw that the DC phase |
|
|
11357
|
Sat Jun 13 23:52:14 2015 |
ericq | Update | LSC | Beatbox needs whitening gain | Nice find!
We ought to use our noise model
of the ALS signal chain to determine what |
|
|
11358
|
Mon Jun 15 11:54:44 2015 |
ericq | Update | CDS | Parts not in SVN | I ran the following command to find which
models/parts are not under version control,
or have modifications not commited: |
|