ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
12688
|
Thu Dec 29 13:22:21 2016 |
rana | Summary | IOO | IMC WFS tuning |
For the rough calibration below
10 Hz, we can use the SUS OSEM cal: the SUSPIT
and SUSYAW error signals are in units of |
|
12689
|
Thu Dec 29 16:52:51 2016 |
Koji | Summary | IOO | IMC WFS tuning | Koji responding to Rana
>
For the rough calibration below 10 Hz, we |
|
12690
|
Thu Dec 29 21:35:30 2016 |
rana | Summary | IOO | IMC WFS tuning | The WFS gains are supposedly
maximized already. If we remotely try
to increase the gain, the two MAX4106 chips |
|
12691
|
Thu Dec 29 21:48:32 2016 |
rana | Update | IOO | MC AutoLocker hung because c1iool0 asleep again | MC unlocked, Autolocker waiting for c1iool0
EPICS channels to respond. c1iool0 was responding
to ping, but not to telnet. Keyed the crate |
|
12692
|
Fri Dec 30 10:27:46 2016 |
rana | Update | DetChar | summary pages dead again | Dead again.
No outputs for the past month. We really
need a cron job to check this out |
|
12693
|
Thu Jan 5 21:43:16 2017 |
rana | Update | DetChar | summary pages dead again | Max tells us that soem conf files were
bad and that he did something and now some
pages are being made. But the PEM and MEDM |
|
12694
|
Fri Jan 6 17:00:26 2017 |
rana | Frogs | Treasure | Video of Lab Tour | In this video: https://youtu.be/iphcyNWFD10,
the comments focus on the orange crocs, my
wrinkled shirt, and the first aid kit. |
|
12695
|
Sun Jan 8 12:47:06 2017 |
rana | Update | General | Optical Layout in DCC | Manasa pointed me to the CAD drawings in
the 40m SVN and I've now uploaded them
to the 40m |
|
12696
|
Mon Jan 9 09:18:47 2017 |
Steve | Update | PEM | power glitch | There was a power glitch last night around
1:15am
The vacuum was not effected. |
|
12697
|
Mon Jan 9 16:12:30 2017 |
Steve | Update | General | Optical Layout in DCC | Caltech Facilities promissed to email the
40m facility drawings in Cad format.
I organized the old of optical |
|
12698
|
Tue Jan 10 14:24:09 2017 |
Steve | Update | VAC | RGA scan at day 82 | Valve configuration: vacuum normal
Vacuum envelope: 23C
Rga head: 44C |
|
12699
|
Tue Jan 10 16:20:11 2017 |
Steve | Update | CDS | power glitch......Raid is rebuilding | Jamie started the fm40m Raid rebuilding.
It has been beeping since the power outage.
Summary pages have no reading since |
|
12700
|
Tue Jan 10 21:47:00 2017 |
rana | Update | CDS | power glitch | Does "done" mean they are OK
or they are somehow damaged? Do
you mean the workstations or the front end |
|
12701
|
Tue Jan 10 22:55:43 2017 |
gautam | Update | CDS | power glitch - recovery steps | Here
is a link to an elog with the steps I had
to follow the last time there was a similar |
|
12702
|
Wed Jan 11 16:35:03 2017 |
gautam | Update | CDS | power glitch - recovery progress | [lydia, ericq, gautam]
We set about following the instructions
linked in the previous elog. A few notes/remarks: |
|
12703
|
Wed Jan 11 19:20:23 2017 |
Max Isi | Update | Summary Pages | December outage | The summary pages were not successfully
generated for a long period of time at the
end of 2016 due to syntax errors in the PEM |
|
12704
|
Thu Jan 12 02:45:53 2017 |
Johannes | Update | General | Next armloss steps | As stated in elog
12618, using an oscilloscope to average
the reflected powers and thus circumventing |
|
12705
|
Thu Jan 12 10:14:49 2017 |
Steve | HowTo | safety | closing a door | The door was not locked this morning.
Please do not use this door if
you can not close it! |
 |
12706
|
Thu Jan 12 13:43:02 2017 |
rana | HowTo | safety | closing a door | This is one of those unsolved door lock
acquisition problems. Its been happening
for years. |
|
12707
|
Thu Jan 12 13:45:58 2017 |
Steve | HowTo | safety | closing a door | It was requested this morning.
|
|
12708
|
Thu Jan 12 17:31:51 2017 |
gautam | Update | CDS | DC errors | The IFO is more or less back to an operational
state. Some details:
The IMC mirror excess motion |
|
12709
|
Thu Jan 12 23:22:34 2017 |
rana | Update | Summary Pages | December outage | Pages still not working: PEM and MEDM blank.
Committed existing MEDM
grabbing scripts to SVN. Ran the cron job |
|
12710
|
Fri Jan 13 08:54:32 2017 |
Johannes | Update | General | DC PD installed | I installed a DC PD (Thorlabs PDA 520)
in the beam path to AS55. I placed a 2" |
  |
12711
|
Fri Jan 13 10:53:03 2017 |
Steve | Update | PEM | doors are fixed | Control room to outside door was
realigned.
|
|
12712
|
Fri Jan 13 14:18:28 2017 |
Steve | Update | PEM | air condition fixed | The old control room AC has been
stick in heating mode for
about 2 months. It's thermostate |
|
12713
|
Fri Jan 13 14:33:00 2017 |
MAX (not Rana) | Update | Summary Pages | December outage | PEM config file was also lacking a section
named "summary", which is necessary
for all parent tabs; this has now been solved. |
|
12714
|
Fri Jan 13 21:32:49 2017 |
rana | HowTo | DAQ | Get 40m data using NDS2 and Python | The attached file is a python notebook
that you can use to get data. Minimal syntax. |
|
12715
|
Fri Jan 13 21:41:23 2017 |
Koji | Update | CDS | DC errors | I think I fixed the DC error issue
1. I added the leap second
(leapsecond ?) entry for 2016/12/31, 23:60:00 |
|
12716
|
Fri Jan 13 23:39:46 2017 |
gautam | Update | General | ETMX suspension electronics problems? | [Koji,gautam]
After Koji's leap second fix,
we were playing around with the X arm locking. |
|
12717
|
Sat Jan 14 00:53:05 2017 |
rana | HowTo | DAQ | Get 40m data using NDS2 and Python | Minute trend data seems not available using
the NDS2 server. Its super slow using dataviewer
from the control room. |
|
12718
|
Sat Jan 14 12:12:03 2017 |
rana | Update | DAQ | minute trends missing | Did we turn off minute trend writing in
one of the recent FrameBuilder debug sessions?
Seems we only have second trends in 2016. |
|
12719
|
Sat Jan 14 12:36:57 2017 |
ericq | Update | DAQ | minute trends missing | Yes, writing minute trends causes hourly
FB crashes in the current state of things.
The "raw" minute trending is turned |
|
12720
|
Sat Jan 14 22:39:30 2017 |
rana | Summary | SUS | ITMY is drifting ? | https://nodus.ligo.caltech.edu:30889/detcharsummary/day/20170114/sus/susdrift/
ITMY is not like the others. Real
or just OSEM madness? |
|
12721
|
Mon Jan 16 12:49:06 2017 |
rana | Configuration | Computers | Megatron update | The "apt-get update" was failing
on some machines because it couldn't
find the 'Debian squeeze' repos, |
|
12722
|
Mon Jan 16 18:54:01 2017 |
rana | Update | SUS | BS: whitening re-engaged | Found that the BS whitening was off. Gautam
says that "it has always been that way"
and "there's nothing in the elog |
|
12723
|
Mon Jan 16 21:03:47 2017 |
rana | Summary | IOO | MCL / MCF / Calibration | Oot on the streets and in the chat rooms,
people often ask, "What
is up with the MC_F calibration?". |
 |
12724
|
Mon Jan 16 22:03:30 2017 |
jamie | Configuration | Computers | Megatron update |
|
|
12725
|
Mon Jan 16 23:25:07 2017 |
gautam | Update | SUS | MC1 SUS electronics investigation | [rana,gautam]
Summary:
|
  |
12726
|
Tue Jan 17 20:39:30 2017 |
rana | Update | Computer Scripts / Programs | nodus web apache simlinks too soft | I tried to follow these instructions today
to make the Simulink Webview accessible:
controls@nodus|public_html |
|
12727
|
Tue Jan 17 20:47:23 2017 |
rana | Update | CDS | Simulink Webview updated | Seems like this stops working every ~2
years. Its been busted since early 2016 according
to cron, so I fixed up the paths and restored |
|
12728
|
Tue Jan 17 21:29:52 2017 |
gautam | Update | SUS | MC1 SUS electronics investigation |
|
|
12729
|
Tue Jan 17 21:31:57 2017 |
gautam | Update | General | ETMX suspension electronics problems? | Last
night, I plugged the ETMX suspension coils
back into the satellite box. Tonight, we |
|
12730
|
Wed Jan 18 10:41:14 2017 |
gautam | Update | General | ETMX suspension electronics problems? | Summary pages show no kicking in the ETMX
watchdogs from midnight to 6 AM (0800 - 1400
UTC): |
|
12731
|
Wed Jan 18 11:40:54 2017 |
gautam | Update | SUS | MC1 SUS electronics investigation | After the repair of the faulty LEMO cable,
I left MC1 with it's watchdog off overnight.
|
  |
12732
|
Wed Jan 18 12:34:21 2017 |
ericq | Summary | IOO | MCL / MCF / Calibration |
|
|
12733
|
Wed Jan 18 12:46:47 2017 |
ericq | Update | Computer Scripts / Programs | nodus web apache simlinks too soft |
|
|
12734
|
Wed Jan 18 14:23:47 2017 |
gautam | Update | SUS | MC1 SUS electronics investigation | As part of the ongoing |
|
12735
|
Wed Jan 18 15:17:38 2017 |
rana | Update | Computer Scripts / Programs | nodus web apache simlinks too soft | I suppose before directory listings were
turned off we should have fixed the script
to make an index.html, but that's how |
|
12736
|
Wed Jan 18 18:44:53 2017 |
gautam | Update | SUS | MC1 SUS electronics investigation |
|
|
12737
|
Thu Jan 19 08:25:12 2017 |
Steve | Update | SUS | MC1 SUS electronics investigation |
|
 |