ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
10563
|
Fri Oct 3 10:10:37 2014 |
Steve | Update | VAC | cold cathode gauge reading switched |
We have two cold cathode gauges at
the pump spool and one signal cable |
|
|
10564
|
Fri Oct 3 13:03:05 2014 |
ericq | Update | IOO | IMC WFS measurements | Yesterday, Koji and I measured the transfer
function of pitch and yaw excitations of
each MC mirror, directly to each quadrant |
|
|
10565
|
Sun Oct 5 10:09:49 2014 |
rana | Update | IOO | IMC WFS measurements | It seems clever, but I wonder
why use DTT and command line perl, instead
of using the FE lockins or just demod the |
|
|
10566
|
Sun Oct 5 23:43:08 2014 |
Koji | Update | IOO | IMC WFS measurements | There are several non scientific reasons. |
|
|
10567
|
Mon Oct 6 10:04:58 2014 |
manasa | Update | General | Unexpected power shutdown | We had a unexpected |
|
|
10568
|
Mon Oct 6 10:23:43 2014 |
Steve | Update | VAC | Unexpected power shutdown |
|
|
|
10569
|
Mon Oct 6 10:28:18 2014 |
manasa | Update | General | Unexpected power shutdown |
|
|
|
10570
|
Mon Oct 6 11:09:52 2014 |
Jenne | Update | General | Unexpected power shutdown: slow computers | As per other slow computers, which Chris
figured out in elog
10189, I added all the rest of the slow |
|
|
10571
|
Mon Oct 6 17:04:51 2014 |
ericq | Update | General | Unexpected power shutdown | I brought back the PMC, MC and Arms.
PMC:
Same as when we replaced |
|
|
10572
|
Mon Oct 6 17:36:17 2014 |
ericq | Update | General | Unexpected power shutdown | The autolocker is now working, but I didn't
change anything to make it so. I was just
putting in some echo statements, to see where |
|
|
10573
|
Mon Oct 6 18:15:12 2014 |
manasa | Update | General | Unexpected power shutdown: end green alignment | After Q brought back the IR, I went to
check the green situation.
1. The end lasers had to be turned |
|
|
10574
|
Tue Oct 7 00:18:12 2014 |
Jenne | Update | LSC | Ygreen PSL alignment, ETMX strain relief | No exciting progress today. I did
PSL green alignment for the Yarm, although
I now think that the Xarm green needs realigning |
|
|
10575
|
Tue Oct 7 10:09:07 2014 |
manasa | Update | General | Chiara not responding | Chiara doesn't seem to be responding and
I guess something happened 7 hrs ago.
I tried to hook up chiara to a monitor |
|
|
10576
|
Tue Oct 7 16:17:15 2014 |
Steve | Update | General | reason for 8 sec power outage |
|
|
|
10577
|
Tue Oct 7 16:19:50 2014 |
ericq | Update | General | Chiara not responding | We're back! It |
|
|
10578
|
Tue Oct 7 16:41:12 2014 |
Jenne | Update | General | Chiara not responding | I put a little script into ...../scripts/Admin
that will check the fullness of Chiara's
disk. We only have the mailx program |
|
|
10579
|
Tue Oct 7 16:55:16 2014 |
Steve | Update | VAC | Unexpected sweaty valves | Pump spool valves V5, V4, V3
sweating a lot. VM3 and VC2 not so much.
|
|
|
10580
|
Tue Oct 7 19:40:58 2014 |
ericq | Update | LSC | CM, REFL11 Wiring | I've changed the LSC rack wiring a little
bit, to give us some flexibility when it
comes to REFL11. |
|
|
10581
|
Wed Oct 8 03:20:46 2014 |
Jenne | Update | LSC | Do we need AO for acquisition? | As part of trying to determine whether
we require the AO path for lock acquisition,
or if we can survive on just digital loops, |
|
|
10582
|
Wed Oct 8 03:37:44 2014 |
ericq | Update | LSC | PRFPMI, other sign of CARM offset | [ericq, Jenne]
We attempted some of the same old
CARM offset reduction tonight, but from the |
|
|
10583
|
Wed Oct 8 03:49:42 2014 |
Jenne | Update | LSC | PRFPMI, other sign of CARM offset | Other thoughts from talking with Rana earlier:
Is it possible to suppress
CARM motion enough that we can use just a |
|
|
10584
|
Wed Oct 8 08:46:57 2014 |
Steve | Update | VAC | VAT valves actuator lubricant |
|
|
|
10585
|
Wed Oct 8 15:31:31 2014 |
Jenne | Update | CDS | Computer status | After the Great Computer Meltdown of 2014,
we forgot about poor c0rga, which is why
the RGA hasn't been recording scans for the |
|
|
10586
|
Thu Oct 9 10:52:37 2014 |
manasa | Update | General | Power outage II & recovery | Post 30-40min unexpected power outage this
morning, Steve checked the status of the
vacuum and I powered up Chiara. |
|
|
10587
|
Thu Oct 9 11:56:35 2014 |
Steve | Update | VAC | Power outage II & recovery |
|
|
|
10588
|
Thu Oct 9 13:29:14 2014 |
Jenne | Update | PSL | Power outage II & recovery |
|
|
|
10589
|
Thu Oct 9 16:31:53 2014 |
ericq | Update | LSC | CARM W/N TFs | In my previous simulation results, I've
always plotted W/m, which isn't exactly straightforward.
We often think about the displacement that |
|
|
10590
|
Thu Oct 9 17:33:28 2014 |
Steve | Update | VAC | Power outage II & recovery |
|
|
|
10591
|
Thu Oct 9 18:30:59 2014 |
Jenne | Update | LSC | CARM W/N TFs | Okay, here (finally) is the optickle version.
I have the antispring case, starting
at 501pm and going roughly every 10pm down |
6x |
|
10592
|
Thu Oct 9 19:14:04 2014 |
ericq | Update | General | Power outage II & recovery | I touched up the PMC alignment.
While bringing back the MC, I realized
IOO got a really old BURT restore again... |
|
|
10593
|
Fri Oct 10 00:20:37 2014 |
rana | Update | LSC | CARM W/N TFs |
Assuming that these Watts/Newtons
TFs are correct, I've modeled the resulting |
|
|
10594
|
Fri Oct 10 03:05:09 2014 |
ericq | Update | LSC | Which side of optical spring are we on? | I made some measurements to try and
see if any difference could be seen with
different CARM offset signs. |
|
|
10595
|
Fri Oct 10 03:25:11 2014 |
Jenne | Update | LSC | Which side of optical spring are we on (simulation) | I have a simulated version of the differences
that we expect to see between the 2 different
sides of the CARM resonance. The point |
10x |
|
10596
|
Fri Oct 10 14:27:44 2014 |
Steve | Update | CDS | c1Vac1 and c1vac2 reboot was a failure |
|
|
|
10597
|
Fri Oct 10 14:41:04 2014 |
Steve | Update | VAC | Power outage II & recovery |
|
|
|
10598
|
Mon Oct 13 12:01:28 2014 |
ericq | Update | LSC | Which side of optical spring are we on? | I went back into the DQ channels
to look at the TF from AO injection to REFLDC
(which is easy to do with this kind of noise |
|
|
10599
|
Mon Oct 13 14:44:52 2014 |
Steve | Update | VAC | RGA scan pd78 -day 13 | Our first RGA scan since May 27,
2014 elog10585
The Rga is still warming up. |
|
|
10600
|
Mon Oct 13 16:08:49 2014 |
Jenne | Update | CDS | Frame builder is mad | I think the daqd process isn't running
on the frame builder.
|
|
|
10601
|
Mon Oct 13 16:57:26 2014 |
Koji | Update | CDS | Frame builder is mad | CPU load seems extremely high. You need
to reboot it, I think
controls@fb /proc 0$ cat loadavg |
|
|
10602
|
Mon Oct 13 17:09:38 2014 |
ericq | Update | CDS | Frame builder is mad |
This CPU load may have been me deleting
some old frame files, to see if that would |
|
|
10603
|
Mon Oct 13 21:20:56 2014 |
Jenne | Update | LSC | Which side of optical spring are we on? (No progress) | [Jenne, Diego]
In order to distinguish between the
spring and antispring sides of the CARM resonance, |
|
|
10604
|
Mon Oct 13 21:59:47 2014 |
rana | Update | Computer Scripts / Programs | Which side of optical spring are we on? (No progress) |
Since no one was here, I started
the Ubuntu 10 - 12 upgrade on Rossa. It didn't |
|
|
10605
|
Tue Oct 14 17:38:31 2014 |
ericq | Update | Computer Scripts / Programs | Rossa and Allegra wiped, Ubuntu 12.04 installed | When I came in, Rossa was booted to Ubuntu
10. I tried rebooting to select 12, but couldn't
ever successfully boot again. Since Diego |
|
|
10606
|
Tue Oct 14 23:44:42 2014 |
diego | Update | Computer Scripts / Programs | Rossa and Allegra wiped, Ubuntu 12.04 installed | Allegra and Rossa wiped and updated to
Ubuntu 12.04.5 by me and Ericq; the following
procedure was followed: |
|
|
10607
|
Wed Oct 15 02:58:03 2014 |
Jenne | Update | LSC | Which side of optical spring are we on? | Some measurements. Unclear meaning.
We tried both positive and negative |
|
|
10608
|
Wed Oct 15 02:59:04 2014 |
rana | Update | LSC | CARM W/N TFs | In my previous elog in this thread,
I showed the CARM OLG given some new digital
filters and the varying CARM plant (spring |
|
|
10609
|
Wed Oct 15 13:38:33 2014 |
Jenne | Update | LSC | CARM W/N TFs | Here are the same plots, but the legend
also includes the arm power that we expect
at that CARM offset. |
7x |
|
10610
|
Wed Oct 15 17:09:49 2014 |
manasa | Update | General | Diode laser test preparation | [EricG, manasa]
The He-Ne laser oplev setup was swapped
with a fiber-coupled diode laser from W Bridge. |
|
|
10611
|
Wed Oct 15 17:18:10 2014 |
Jenne | Update | Computer Scripts / Programs | Dataviewer fix with Ubuntu 12.04 |
I have modified the Dataviewer
launcher (which runs when you either click |
|
|
10612
|
Wed Oct 15 19:56:38 2014 |
Jenne | Update | LSC | Which side of optical spring are we on? Meas vs Model | I have plotted measured data from
last night (elog
10607) with a version of the result from |
|