| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
16246
|
Wed Jul 14 19:21:44 2021 |
Koji | Update | General | Brrr | Jordan reported on Jun 18, 2021:
"HVAC tech came today, and replaced |
|
|
16250
|
Sat Jul 17 00:52:33 2021 |
Koji | Update | General | Canon camera / small silver tripod / macro zoom lens / LED ring light borrowed -> QIL | Canon camera / small silver tripod / macro
zoom lens / LED ring light borrowed ->
QIL |
|
|
16255
|
Sun Jul 25 18:21:10 2021 |
Koji | Update | General | Canon camera / small silver tripod / macro zoom lens / LED ring light returned / Electronics borrowed | Camera and accesories returned
One HAM-A coildriver and one sat
amp borrowed -> QIL |
|
|
16265
|
Wed Jul 28 20:20:09 2021 |
Yehonathan | Update | General | The temperature sensors and function generator have arrived in the lab | I put the temperature sensors box on Anchal's
table (attachment 1) and the function generator
on the table in front of the c1auxey Acromag |
|
|
16269
|
Wed Aug 4 18:19:26 2021 |
paco | Update | General | Added infrasensing temperature unit to martian network | [ian, anchal, paco]
We hooked up the infrasensing unit
to power and changed its default IP address |
|
|
16270
|
Thu Aug 5 14:59:31 2021 |
Anchal | Update | General | Added temperature sensors at Yend and Vertex too | I've added the other two temperature
sensor modules on Y end (on 1Y4, IP: 192.168.113.241)
and in the vertex on (1X2, IP: 192.168.113.242). |
|
|
16274
|
Tue Aug 10 17:24:26 2021 |
paco | Update | General | Five day trend | Attachment 1 shows a five and a half day
minute-trend of the three temperature sensors.
Logging started last Thursday ~ 2 pm when |
|
|
16277
|
Thu Aug 12 11:04:27 2021 |
Paco | Update | General | PSL shutter was closed this morning | Thu Aug 12 11:04:42 2021 Arrived to find
the PSL shutter closed. Why? Who? When? How?
No elog, no fun. I opened it, IMC is now |
|
|
16278
|
Thu Aug 12 14:59:25 2021 |
Koji | Update | General | PSL shutter was closed this morning | What I was afraid of was the vacuum interlock.
And indeed there was a pressure surge this
morning. Is this real? Why didn't we |
|
|
16279
|
Thu Aug 12 20:52:04 2021 |
Koji | Update | General | PSL shutter was closed this morning | I did a bit more investigation on this.
- I checked P1~P4, PTP2/3, N2,
TP2, TP3. But found only P1a and P2 were |
|
|
16288
|
Mon Aug 23 11:51:26 2021 |
Koji | Update | General | Campus Wide Power Glitch Reported: Monday, 8/23/21 at 9:30am | Campus
Wide Power Glitch Reported:
Monday, 8/23/21 at 9:30am (more like 9:34am |
|
|
16290
|
Mon Aug 23 19:00:05 2021 |
Koji | Update | General | Campus Wide Power Glitch Reported: Monday, 8/23/21 at 9:30am | Restarting the RTS was unsuccessful because
of the timing discrepancy error between the
RT machines and the FB. This time no matter |
|
|
16291
|
Mon Aug 23 22:51:44 2021 |
Anchal | Update | General | Time synchronization efforts | Related elog thread: 16286
I didn't really achieve
anything but I'm listing what I've |
|
|
16292
|
Tue Aug 24 09:22:48 2021 |
Anchal | Update | General | Time synchronization working now | Jamie told me to use chroot to log in into
the chroot jail of debian os that are exported
for the FEs and install ntp there. I took |
|
|
16293
|
Tue Aug 24 18:11:27 2021 |
Paco | Update | General | Time synchronization not really working | tl;dr: NTP servers and clients
were never synchronized, are not synchronizing
even with ntp... nodus is synchronized but |
|
|
16295
|
Tue Aug 24 22:37:40 2021 |
Anchal | Update | General | Time synchronization not really working | I attempted to install chrony and run it
on one of the FE machines. It didn't
work and in doing so, I lost the working |
|
|
16306
|
Wed Sep 1 21:55:14 2021 |
Koji | Summary | General | Towards the end upgrade | - Sat amp
mod and test: on going (Tega)
- Coil driver mod and test: on going |
|
|
16317
|
Wed Sep 8 19:06:14 2021 |
Koji | Update | General | Backup situation | Tega mentioned in the meeting that it could
be safer to separate some of nodus's
functions from the martian file system. |
|
|
16319
|
Mon Sep 13 04:12:01 2021 |
Tega | Update | General | Added temperature sensors at Yend and Vertex too | I finally got the modbus part working on
chiara, so we can now view the temperature
data on any machine on the martian network, |
|
|
16334
|
Wed Sep 15 23:53:54 2021 |
Koji | Summary | General | Towards the end upgrade | Ordered compoenents are in.
- Made 36 more Sat Amp internal
boards (Attachment 1). Now |
|
|
16335
|
Thu Sep 16 00:00:20 2021 |
Koji | Update | General | RIO Planex 1064 Lasers in the south cabinet | RIO Planex 1064 Lasers in the south cabinet
Property Number C30684/C30685/C30686/C30687 |
|
|
16336
|
Thu Sep 16 01:16:48 2021 |
Koji | Update | General | Frozen 2 | It happened again. Defrosting required. |
|
|
16337
|
Thu Sep 16 10:07:25 2021 |
Anchal | Update | General | Melting 2 | Put outside.
|
|
|
16340
|
Thu Sep 16 20:18:13 2021 |
Anchal | Update | General | Reset | Fridge brought back inside.
|
|
|
16341
|
Fri Sep 17 00:56:49 2021 |
Koji | Update | General | Awesome | The
Incredible Melting Man!
|
|
|
16403
|
Thu Oct 14 16:38:26 2021 |
Ian MacMillan | Update | General | Kicking optics in freeSwing measurment | [Ian, Anchal]
We are going to kick the optics
tonight at 2am. |
|
|
16405
|
Thu Oct 14 20:16:22 2021 |
Yehonathan | Update | General | PRMI free swinging | {Yehonathan, Raj}
We aligned the IFO in the PRMI
state and let it swing freely. |
|
|
16406
|
Fri Oct 15 12:14:27 2021 |
Ian MacMillan | Update | General | Kicking optics in freeSwing measurment | [Ian, Anchal]
we ran the free swinging test last
night and the results match up with in 1/10th |
|
|
16408
|
Fri Oct 15 17:17:51 2021 |
Koji | Summary | General | Vent Prep | I took over the vent prep: I'm going
through the list in [ELOG
15649] and [ELOG |
7x |
|
16409
|
Fri Oct 15 20:53:49 2021 |
Koji | Summary | General | Vent Prep | From
the IFO point of view, all look good and
we are ready for venting from Mon Oct 18 |
|
|
16442
|
Mon Nov 1 14:51:34 2021 |
Koji | Update | General | Checking the vent plan | The vent team described
a detailed vent plan (and reports where the
actions have been performed) |
|
|
16472
|
Wed Nov 17 07:32:48 2021 |
Chub | Update | General | wire clamp plate mod | This will be difficult to modify with the
magnets and dumbells in place. Even
if someone CAN clamp this piece into an endmill |
|
|
16473
|
Wed Nov 17 11:53:27 2021 |
Koji | Update | General | wire clamp plate mod | Of course, we remove the magnet-dumbbell
for machining. After that the part will be
cleaned/baked again. And Yehonathan is going |
|
|
16474
|
Wed Nov 17 17:37:53 2021 |
Anchal | Update | General | Placed Nodus and fb1 on UPS power | Today I placed nodus and fb1 on UPS battery
backed supply. Now power glitches should
not hurt our cds system. |
|
|
16476
|
Thu Nov 18 15:16:10 2021 |
Anchal | Update | General | Moved Chiara to 1X7 above nodus powered with same UPS | [Anchal, Paco]
We moved chiara to 1X7 above nodus
and powered with same UPS from a battery |
|
|
16479
|
Mon Nov 22 17:42:19 2021 |
Anchal | Update | General | Connected Megatron to battery backed ports of another UPS | [Anchal, Paco]
I used the UPS that was providing
battery backup for chiara earlier (a APS |
|
|
16485
|
Wed Nov 24 17:13:31 2021 |
Yehonathan | Metaphysics | General | Toilet tank broken | The toilet tank in the big bathroom stopped
refilling. I contacted PPService@caltech.edu
and put up an "Out of Order sign". |
|
|
16486
|
Mon Nov 29 15:24:53 2021 |
Hang | HowTo | General | Fisher matrix vs length of each FFT segment | We have been discussing how does the parameter
estimation depends on the length per FFT
segment. In other words, after we collected |
|
|
16487
|
Tue Nov 30 11:03:44 2021 |
Yehonathan | Metaphysics | General | Toilet tank broken | a plumber came in yesterday and fixed the
issue.
|
|
|
16488
|
Tue Nov 30 17:11:06 2021 |
Paco | Update | General | Moved white rack to 1X3.5 | [Paco, Ian, Tega]
We moved the white rack (formerly
unused along the YARM) to a position between |
|
|
16532
|
Wed Dec 22 14:57:05 2021 |
Koji | Update | General | chiara local backup | chiara
local backup of /cvs/cds has not been running
since the move of chiara in Nov 19. |
|
|
16535
|
Thu Dec 23 16:38:21 2021 |
Koji | Update | General | Is megatron down? (Re: chiara local backup) | The local backup seems working fine again.
But I found that megatron
is down and this is a real issue. This should |
|
|
16536
|
Fri Dec 24 16:49:41 2021 |
Koji | Update | General | Is megatron down? (Re: chiara local backup) | It turned out that the UPS installed on
Nov 22 failed (cf https://nodus.ligo.caltech.edu:8081/40m/16479
). As a fact, it was alive just for |
|
|
16646
|
Fri Feb 4 10:04:47 2022 |
Chub | Update | General | dish soap and clean scrub sponges! | Bought dish soap and scrub sponges today
and placed them under the sink with the other
dish supplies. |
|
|
16647
|
Fri Feb 4 10:21:39 2022 |
Anchal | Summary | General | Complete lab shutdown | Please edit this same
entry throughout the day for the shutdown |
|
|
16648
|
Mon Feb 7 09:00:26 2022 |
Paco | Update | General | Scheduled power outage recovery | [Paco]
Started recovering from scheduled
(Feb 05) power outage. Basically, time-reversing |
|
|
16649
|
Mon Feb 7 15:32:48 2022 |
Yehonathan | Update | General | Y End laser controller | I went to the Y end. The AUX laser was
on Standby. I pushed the Standby button.
The laser turned on and there was some green |
|
|
16651
|
Mon Feb 7 16:53:02 2022 |
Koji | Update | General | Scheduled power outage recovery | I went to the X end and found it was warm.
Turned out that not all the A/Cs were on.
They were turned on now. |
|
|
16652
|
Wed Feb 9 11:56:24 2022 |
Anchal | Update | General | Bringing back CDS | [Anchal, Paco]
Bringing back CDS took a lot of
work yesterday. I'm gonna try to summarize |
|
|
16653
|
Wed Feb 9 13:55:05 2022 |
Koji | Update | General | Bringing back CDS | Great recovery work and cleaning of the
rebooting process.
I'm just curious: Did you observe |
|