| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
7788
|
Tue Dec 4 23:08:46 2012 |
Den | Omnistructure | Computers | new (beta) version of nds2 installed on control room machines |
|
|
|
7787
|
Tue Dec 4 21:57:04 2012 |
Den | Update | SUS | TTs are ready |
|
|
|
7786
|
Tue Dec 4 20:38:51 2012 |
jamie | Omnistructure | Computers | new (beta) version of nds2 installed on control room machines | I've installed the new nds2 packages on
the control room machines.
These new packages include some new |
|
|
7785
|
Tue Dec 4 20:13:55 2012 |
Koji | Update | SUS | TTs are ready | Please
leave here what was the instruction by Bran |
|
|
7784
|
Tue Dec 4 18:53:50 2012 |
Ayaka | Update | Alignment | BS chamber | BS chamber seemed to be kicked again around
10:00 am today.
I moved PZT mainly in YAW and locked |
|
|
7783
|
Tue Dec 4 18:06:35 2012 |
Den | Update | SUS | TTs are ready | Using instructions from Bram and
Suresh, I was able to plug in connectors
to BOSEMs. Today I've tested electronics, |
|
|
7782
|
Tue Dec 4 11:30:36 2012 |
Zach | Update | PSL | PMC calibration for MC_F calibration | In order to have less unknown, you can
calibrate the PMC PZT separately. Lock the
PMC and take a transfer function from either |
|
|
7781
|
Tue Dec 4 10:51:10 2012 |
Steve | Update | SUS | PRM damping restored | PRM oplev gains set to zero from PIT 0.15
and YAW -0.3 and damping restored |
|
|
7780
|
Tue Dec 4 10:44:36 2012 |
Steve | Update | PEM | short power outage | |
|
|
7779
|
Tue Dec 4 01:43:37 2012 |
rana | Update | PSL | PMC calibration for MC_F calibration | If you can't find the PMC sidebands
in the transmission, its because the SNR
is too small. |
|
|
7778
|
Mon Dec 3 17:04:12 2012 |
Ayaka | Update | PSL | PMC calibration for MC_F calibration | In order to calibrate MC_F signal, I need
to know the calibration value from thorlab's
PZT driver to laser frequency. |
|
|
7777
|
Mon Dec 3 16:37:09 2012 |
Steve | Update | PEM | EM 172 microphones ordered |
|
|
|
7776
|
Mon Dec 3 07:40:00 2012 |
Steve | HowTo | Alignment | how was the BS chamber misalinged |
|
|
|
7775
|
Sun Dec 2 00:37:49 2012 |
Den | Update | SUS | TT cable problem | This week I've got all TT stuff baked
and today was testing eddy current damping
and electronics. |
6x |
|
7774
|
Sat Dec 1 16:58:14 2012 |
Manasa | Update | WIKI-40M Update | Optical tables | I have updated the wiki with the layout
of the out-of-vac optical tables: Updated |
|
|
7773
|
Sat Dec 1 13:56:38 2012 |
rana | Update | Alignment | BS chamber |
Whoever was working
around the BS chamber at 11 AM on Friday |
|
|
7772
|
Sat Dec 1 00:24:37 2012 |
Den, Ayaka | Update | Alignment | BS chamber | Today at 11:13 AM the stack of invacuum
BS table was kicked and IFO misaligned. We
adjusted PZT2 voltage by ~20 V in yaw such |
|
|
7771
|
Sat Dec 1 00:13:16 2012 |
Den | Update | Adaptive Filtering | ARMS and MC |
|
|
|
7770
|
Fri Nov 30 23:10:36 2012 |
Charles | Update | Electronics | Vertex Illuminators | 3 of the 4 remote controlled illuminators
at the vertex are installed and can now be
turned on via sitemap. There are a total |
|
|
7769
|
Fri Nov 30 22:11:50 2012 |
Den | Update | Adaptive Filtering | ARMS |
|
|
|
7768
|
Fri Nov 30 14:21:18 2012 |
rana | HowTo | Computer Scripts / Programs | The mystery of PDFs and you. As deep as the mystery of Rasputin. | |
|
|
7767
|
Fri Nov 30 11:49:24 2012 |
Koji | Update | Adaptive Filtering | YARM | This is interesting. I suppose you are
acting on the ETMY.
Can you construct the compensation |
|
|
7766
|
Fri Nov 30 11:38:35 2012 |
Steve | Update | PSL | foil removed from enclosure | Aluminum foil replaced by sheet metal on
Enclosure and AP table. |
|
|
7765
|
Fri Nov 30 09:59:53 2012 |
Steve | HowTo | General | How not to | Clean cabinet S15 doors were left open.
You have to lock it up! |
|
|
7764
|
Fri Nov 30 02:40:44 2012 |
Den | Update | Adaptive Filtering | YARM | I've applied FIR adaptive filter to YARM
control. Feedback signal of the closed loop
was used as adaptive filter error signal |
|
|
7763
|
Thu Nov 29 09:58:06 2012 |
Den | Update | PEM | Decreased RMS in Seismometers |
|
|
|
7762
|
Thu Nov 29 02:43:48 2012 |
Ayaka | Update | PEM | Decreased RMS in Seismometers |
|
|
|
7761
|
Thu Nov 29 00:15:13 2012 |
Den, Koji | Update | IOO | MC WFS work |
|
|
|
7760
|
Wed Nov 28 23:55:13 2012 |
Ayaka | Update | WienerFiltering | Sound on PSL | I have been searching for the way
we can subtract signal better since I could
see the acoustic coupling signal remains |
|
|
7759
|
Wed Nov 28 23:18:35 2012 |
Charles | Update | PEM | Decreased RMS in Seismometers | The attached plots display RMS noise from
various accelerometers and seismometers over
the past 90 days. One can see how after the |
|
|
7758
|
Wed Nov 28 21:42:21 2012 |
rana | Frogs | Computer Scripts / Programs | dataviewer font error | An error this evening on rossa: dataviewer
not working due to some font errors:
controls@rossa:~ 0$ dataviewer |
|
|
7757
|
Wed Nov 28 17:40:28 2012 |
jamie | Omnistructure | Computers | elog working again on firefox 17 | Koji and I figured out what the problem
is. Apparently firefox 17.0 (specifically
it's user-agent string) breaks fckeditor, |
|
|
7756
|
Tue Nov 27 19:06:16 2012 |
Riju | Update | | Testing AG4395A+GPIB | I ve tested another bandpass filter
today with similar set-up. This time I took
the data with corrected reference level. |
|
|
7755
|
Tue Nov 27 17:45:42 2012 |
Steve | Update | General | spare optics of AP table moved to cabinet | Spare optics from the AP table were moved
to glass cabinet in the east arm. I'm not
sure this is the right place. We'll see what |
|
|
7754
|
Tue Nov 27 11:27:22 2012 |
Steve | Update | PEM | particle count is going up |
Jeff is still working on the filter banks. |
|
|
7753
|
Tue Nov 27 09:44:09 2012 |
Steve | Update | VAC | pumpdown at 15 days | It took 15 days to reach 1e-5 Torr
The RGA was turned on yesterday.
The rga scan plotting was not working. Den |
|
|
7752
|
Tue Nov 27 03:26:00 2012 |
Jenne | Update | General | POP beam on POP55, POP camera |
|
|
|
7751
|
Tue Nov 27 01:03:42 2012 |
Ayaka | Update | WienerFiltering | Sound on PSL | Last Thursday, I put the speaker
and my laptop in the PSL table, and make
triangular wave sound with the basic frequency |
|
|
7750
|
Tue Nov 27 00:45:20 2012 |
jamie | Update | IOO | MC_L and laser frequency noise spectra | I grabbed the a plot of the iLIGO PSL frequency
noise spectrum from the Rana manifesto:
|
|
|
7749
|
Tue Nov 27 00:26:00 2012 |
jamie | Omnistructure | Computers | Ubuntu update seems to have broken html input to elog on firefox | After some system updates this evening,
firefox can no longer handle the html input
encoding for the elog. I'm not sure |
|
|
7748
|
Mon Nov 26 23:45:52 2012 |
Ayaka | Update | IOO | Tuning MC_L | [Rana, Jamie, Ayaka]
We could not lock the arms with MC_L
loop on. Therefore we measured the change |
|
|
7747
|
Mon Nov 26 19:27:59 2012 |
Riju | HowTo | | Testing AG4395A+GPIB | Riju, Jenne
We have checked the transfer function
of a bandpass filter using AG4395A network |
|
|
7746
|
Mon Nov 26 18:56:34 2012 |
Jenne | HowTo | Computers | Data logging suggestions | We've been talking for a while about how
we want to store data. I'm not in love
with keeping it on the elog, although I think |
|
|
7745
|
Mon Nov 26 18:36:17 2012 |
Jenne | Update | PEM | BLRMS back |
|
|
|
7744
|
Mon Nov 26 10:58:20 2012 |
Steve | Update | PEM | air cond maitenance tomorrow | Air conditioning maintenance is scheduled
for tomorrow morning till noon. |
|
|
7743
|
Mon Nov 26 10:42:06 2012 |
Ayaka | Update | LSC | calibration of arms | I uploaded a zip file that contains data
files used for the calibration.
OLTF_x/y.txt: the open loop transfer |
|
|
7742
|
Mon Nov 26 10:06:51 2012 |
rana | Summary | IOO | MC slides from 2002 | |
|
|
7741
|
Sat Nov 24 23:50:35 2012 |
Koji | Update | IOO | MC WFS refusing to work | Today I found the IMC was misaligned significantly
by WFS feedback.
Once the feedback was cleared, it |
|
|
7740
|
Sat Nov 24 22:14:08 2012 |
Koji | Update | General | AP table cleaning up | On Wednesday (21st) night, I checked the
AP table as I wanted to try PRMI locking.
It was difficult to work with the |
|
|
7739
|
Sat Nov 24 13:58:07 2012 |
rana | Update | LSC | calibration of arms | For the loop diagnosis, its best
to use the method of "IN1/IN2",
rather than manipulate the close loop gain. |
|