| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
2373
|
Wed Dec 9 18:01:06 2009 |
Koji | Update | COC | Wiping finished | [Kiwamu, Jenne, Alberto, Steve, Bob,
Koji]
We |
|
|
2372
|
Wed Dec 9 17:51:03 2009 |
kiwamu | Update | SUS | watchdogs | Please do not touch
the watchdogs for all SUSs except for MCs, |
|
|
2371
|
Wed Dec 9 10:53:41 2009 |
josephb | Update | Cameras | Camera client wasn't able to talk to server on port 5010, reboot fixed it. | I finally got around to taking a look at
the digital camera setup today. Rob
had complained the client had stopped working |
|
|
2370
|
Wed Dec 9 09:07:32 2009 |
steve | Update | PEM | high seismic activity | The construction activity is shaking the
tables in the control room. The compactor-
large remote controlled jackhammer is in |
|
|
2369
|
Wed Dec 9 00:23:28 2009 |
Koji | Update | SUS | free swinging spectra of ETMY and ITMX | Where
is the plot for the trend?
It |
|
|
2368
|
Tue Dec 8 23:13:32 2009 |
kiwamu | Update | SUS | free swinging spectra of ETMY and ITMX | The free swinging spectra of ETMY and ITMX
were taken after today's wiping, in order
to check the test masses. |
|
|
2367
|
Tue Dec 8 16:27:13 2009 |
Jenne | Update | COC | ITMX wiped | Jenne, Kiwamu, Koji, Alberto, Steve, Bob
ITMX |
|
|
2366
|
Tue Dec 8 13:03:26 2009 |
Koji | Update | COC | ETMY drag wiped | Jenne, Kiwamu, Alberto, Steve, |
|
|
2365
|
Tue Dec 8 10:20:33 2009 |
Alberto | DAQ | Computers | Bootfest succesfully completed | Alberto, Kiwamu, Koji,
this morning we found the RFM network
and all the front-ends down. |
|
|
2364
|
Tue Dec 8 09:18:07 2009 |
Jenne | Update | Computers | A *great* way to start the day.... | Opening of ETMY has been put on hold to
deal with the computer situation. Currently
all front end computers are down. The |
|
|
2363
|
Tue Dec 8 03:53:49 2009 |
kiwamu | Update | SUS | Free swinging spectra of ETMX | In this night, I checked the free swinging
spectra of ETMX to make sure nothing wrong
with ETMX by the wiping. |
|
|
2362
|
Mon Dec 7 19:02:22 2009 |
Mott | Update | General | Reflectivity Measurements | I have made some measurements of the R
value for some coatings we are interested
in. The plots have statistical error |
|
|
2361
|
Mon Dec 7 18:18:55 2009 |
Jenne | Update | COC | ETMX drag wiped | [Koji, Jenne, Alberto, Steve, Bob]
ETMX has |
|
|
2360
|
Mon Dec 7 09:38:05 2009 |
Koji | Update | VAC | Vent started | Steve, Jenne, Koji
The PSL was blocked by the |
|
|
2359
|
Sat Dec 5 22:31:52 2009 |
rob | Update | IOO | frequency noise problem |
|
|
|
2358
|
Sat Dec 5 18:23:48 2009 |
Koji | Update | oplevs | Oplevs centered, IP_POS and IP_ANG centered | NOTE: HEPA
is on at its full. |
|
|
2357
|
Sat Dec 5 17:34:30 2009 |
rob | Update | IOO | frequency noise problem | There's a large broadband increase in the
MC_F spectrum. I'm not totally sure
it's real--it could be some weird bit-swapping |
|
|
2356
|
Sat Dec 5 15:20:10 2009 |
Jenne | AoG | all down cond. | sea of red, again |
|
|
|
2355
|
Sat Dec 5 14:41:07 2009 |
rob | AoG | all down cond. | sea of red, again | Taking a cue from entry 2346,
I immediately went for the nuclear
option and powered off fb40m. Someone |
|
|
2354
|
Sat Dec 5 01:40:11 2009 |
Koji | Update | oplevs | Oplevs centered, IP_POS and IP_ANG centered | We restarted daqd and
it did restored the problem
http://lhocds.ligo-wa.caltech.edu:8000/40m/Computer_Restart_Procedures#fb40m |
|
|
2353
|
Fri Dec 4 23:17:55 2009 |
rob | Update | oplevs | Oplevs centered, IP_POS and IP_ANG centered |
|
|
|
2352
|
Fri Dec 4 21:48:01 2009 |
Jenne | Update | oplevs | Oplevs centered, IP_POS and IP_ANG centered | [Jenne Koji]
We aligned the full IFO, and
centered all of the oplevs and the IP_POS |
|
|
2351
|
Fri Dec 4 18:54:03 2009 |
Jenne | Update | PEM | Ranger moved | The Ranger was left in a place where it
could be bumped during next week's activities
(near the crawl-space to access the inside |
|
|
2350
|
Thu Dec 3 15:55:24 2009 |
Alberto | AoG | LSC | RF AM Stabilizer Output Power | Today I measured the max output power at
the EOM output of one of the RF AM Stabilizers
that we use to control the modulation depth. |
|
|
2349
|
Mon Nov 30 19:23:50 2009 |
Jenne | Update | MZ | MZ down | Came back from dinner to find the Mach
Zehnder unlocked. The poor IFO is kind
of having a crappy day (computers, MZ, and |
|
|
2348
|
Mon Nov 30 16:23:51 2009 |
Jenne | Update | Computers | c1omc restarted | I found the FEsync light on the OMC GDS
screen red. I power cycled C1OMC, and
restarted the front end code and the tpman. |
|
|
2347
|
Mon Nov 30 11:45:54 2009 |
Jenne | Update | Computers | Wireless is back | When Alberto was parting the Red Sea this
morning, and turning it green, he noticed
that the wireless had gone sketchy. |
|
|
2346
|
Mon Nov 30 11:29:40 2009 |
Alberto | AoG | all down cond. | sea of red |
|
|
|
2345
|
Mon Nov 30 10:28:47 2009 |
Alberto | AoG | all down cond. | sea of red |
|
|
|
2344
|
Sun Nov 29 16:56:56 2009 |
rob | AoG | all down cond. | sea of red | Came in, found all front-ends down.
Keyed a bunch of crates, no luck: |
|
|
2343
|
Sat Nov 28 20:27:12 2009 |
Koji | Update | PSL | FSS oscillation: Total gain reduced | I stopped by the 40m for some reason and
found that the MC trans was 7.5.
This was caused by an oscillation |
|
|
2342
|
Fri Nov 27 02:25:26 2009 |
rana | Update | ABSL | PLL Open Loop Gain Measured |
|
|
|
2341
|
Thu Nov 26 02:08:34 2009 |
Koji | Update | Electronics | Multi-resonant EOM --- Q-factor ---- | The key point of the story is:
"The |
|
|
2340
|
Wed Nov 25 20:44:48 2009 |
kiwamu | Update | Electronics | Multi-resonant EOM --- Q-factor ---- | Now I am studying about the behavior of
the Q-factor in the resonant circuit because
the Q-factor of the circuit directly determine |
|
|
2339
|
Wed Nov 25 20:28:17 2009 |
Alberto | Update | ABSL | Stopped working on the AbsL | I closed the shutter of the NPRO for the
night. |
|
|
2338
|
Wed Nov 25 20:24:49 2009 |
Alberto | Update | ABSL | PLL Open Loop Gain Measured | I measured the open loop gain of the PLL
in the AbsL experiment.
I repeated the measurement twice: |
|
|
2337
|
Wed Nov 25 20:14:58 2009 |
Alberto | Update | ABSL | AbsL PLL not able to lock: problem fixed |
|
|
|
2336
|
Wed Nov 25 16:44:52 2009 |
Koji | Update | PSL | Measured MC length--FSS trend | I checked C1:PSL-FSS_VCODETPWR. The attached
is the 4 months trend of the FSS RCTRANS
/ RFPDDC(=FSS REFL) / VCODETPWR / VCOMODLEVEL. |
|
|
2335
|
Wed Nov 25 16:13:27 2009 |
rana | Update | PSL | Measured MC length--FSS trend | but the increase in both the RCtrans and
the RCrefl is consistent with my theory that
the power going to the RC has increased ; |
|
|
2334
|
Wed Nov 25 15:42:27 2009 |
Alberto | Update | ABSL | Working on the AP table |
|
|
|
2333
|
Wed Nov 25 15:38:08 2009 |
rob | Update | Locking | Measured MC length |
|
|
|
2332
|
Wed Nov 25 14:29:08 2009 |
rob | Update | Locking | Measured MC length--FSS trend |
|
|
|
2331
|
Wed Nov 25 12:28:22 2009 |
Jenne | Update | SUS | MC2 tripped | Just felt a big "kerplunk" type
ground-shaking, presumably from all the antics
next door. MC2's watchdog tripped as |
|
|
2330
|
Wed Nov 25 11:10:05 2009 |
Jenne | Update | Computers | 40m frame builder backup acting funny |
|
|
|
2329
|
Wed Nov 25 11:02:54 2009 |
Alberto | Update | ABSL | AbsL PLL not able to lock |
|
|
|
2328
|
Wed Nov 25 10:20:47 2009 |
Alberto | Update | ABSL | AbsL PLL not able to lock | Last night something happened on the
beat between the PSL beam and the auxiliary
NPRO beam, that spoiled the quality of the |
|
|
2326
|
Wed Nov 25 08:43:08 2009 |
Alberto | Update | ABSL | Working on the AP table | I'm working on the AP table. I also opened
the auxiliary NPRO shutter. The auxiliary
beam is on its path on the AP table and PSL |
|
|
2325
|
Wed Nov 25 03:05:15 2009 |
rob | Update | Locking | Measured MC length |
|
|
|
2324
|
Tue Nov 24 19:16:02 2009 |
Alberto | Update | ABSL | working on the AP table |
|
|
|
2323
|
Tue Nov 24 18:24:54 2009 |
Sanjit | Configuration | Adaptive Filtering | ASS channels added to framebuilder |
[Sanjit, Jenne, Rob, Joe]
|
|