ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
3481
|
Fri Aug 27 19:30:31 2010 |
rana | Update | CDS | SLOW controls | For the future SLOW controls our current
plan is to keep using the VME based stuff
and associated processors (Baja, Motorola, |
|
|
3482
|
Fri Aug 27 22:09:37 2010 |
Jenne | Update | PSL | The beginnings of the new PSL | [Rana, Jenne]
Like |
|
|
3483
|
Sat Aug 28 01:02:31 2010 |
rana | Update | PSL | The beginnings of the new PSL | In fact, many of the mounts need
to be adapted to 4": the beefy
steering mirrors going into the PMC, the |
|
|
3484
|
Sat Aug 28 08:17:51 2010 |
Aberto | Update | Electronics | FSS Frequency Generation Box under test | I've taken the FSS frequency generation
box out of the 1Y1 rack. It's sitting on
one of the electronics benches. I'm measuring |
|
|
3485
|
Sun Aug 29 21:18:00 2010 |
rana | Update | Computers | kallo -> rossa | We changed the name of the new control
room computer from kallo to rossa (since
its red). |
|
|
3486
|
Mon Aug 30 11:41:34 2010 |
kiwamu | Update | Computers | disable sendmail and isdn | {Rana and Kiwamu}
Yesterday we disabled the sendmail
daemon and the isdn daemon on allegra because |
|
|
3487
|
Mon Aug 30 13:57:25 2010 |
Koji | Summary | PSL | PSL table vibrational performance after the upgrade | Jenne and Koji
Last week Jenne has put the accelerometers
on and under the PSL table immediately after |
|
|
3488
|
Mon Aug 30 18:22:00 2010 |
rana | Summary | PSL | PSL Enclosure is UNSTABLE | The lifting and resetting of the
BLUE PSL enclosure has made it unstable somehow.
When I push on it a little it rocks |
|
|
3489
|
Mon Aug 30 18:35:22 2010 |
Jenne | Update | WienerFiltering | Secret Hiding Place for Raw Data | As it turns out, data seems to fall off
the 16Tb drives after ~20 days. Which
makes it a good thing that I saved all of |
|
|
3490
|
Mon Aug 30 22:45:49 2010 |
kiwamu | Update | CDS | binary outputs for the new CDS | { Joe and Kiwamu }
Today we made some efforts to
get the binary outputs (BOs) working. |
|
|
3491
|
Mon Aug 30 23:21:36 2010 |
rana | HowTo | PSL | 2W NPRO Mount designed with emachineshop.com software | To test out this website - emachineshop.com,
Jenne and I are designing some of the mounts
for the new beam height. |
|
|
3492
|
Tue Aug 31 02:50:45 2010 |
kiwamu | Update | CDS | vertex suspensions controlled by the new CDS | I plugged the
new CDS to the vertex suspensions. |
|
|
3493
|
Tue Aug 31 10:44:17 2010 |
steve | Update | PEM | concrete sealed | The PSL -leg concrete was sealed with a
single coat of SCOFIELD Cureseal-S to minimize
shedding of particles. |
|
|
3494
|
Tue Aug 31 11:50:14 2010 |
kiwamu | Update | CDS | maximum number of BIOs | { Joe and Kiwamu },
|
|
|
3495
|
Tue Aug 31 13:31:00 2010 |
steve | Update | PEM | room temp lowered | I lowered room 101 thermostat setting from
74F to 72F |
|
|
3496
|
Tue Aug 31 14:47:53 2010 |
steve | Configuration | PEM | toilet upgrade | Our toilets were replaced by a green Gerber
1.6 gpf ( 6 lpf ) last week. |
|
|
3497
|
Tue Aug 31 15:26:46 2010 |
rana | Update | PEM | room temp lowered | And I raised it back to 73F. The thermometers
on the wall show 74-75F as the actual room
temp. The dial on the temperature controller |
|
|
3498
|
Tue Aug 31 16:42:26 2010 |
josephb | Update | CDS | Temporarily reverting to CDS revision 2005 | Apparently updating to the latest revision
of the RCG has some issues with diaggui and
awgtpman. Alex had to do some recompiling |
|
|
3499
|
Tue Aug 31 17:58:38 2010 |
Alberto | Update | Electronics | FSS Frequency Generation Box - Phase Noise | A few weeks ago, on Jul 24, Rana and I
measured the phase noise of the FSS frequency
box (aka the 'Kalmus Box'). See elog entry |
|
|
3500
|
Tue Aug 31 19:46:00 2010 |
rana | Update | PSL | PSL upgrade update |
Steve is handling the mount
height increase for the PMC and RC steering
mirrors, as well as a mount (non-steerable) |
|
|
3501
|
Wed Sep 1 07:52:27 2010 |
Alberto | Configuration | Electronics | PMC board unplugged, turned on Sorensen switches on 1Y1 rack | Today I put the FSS frequency box back
into the 1Y1 rack.
To power it on, I turned on the 24V |
|
|
3502
|
Wed Sep 1 08:28:43 2010 |
Koji | Update | PSL | PSL upgrade update |
|
|
|
3503
|
Wed Sep 1 08:36:59 2010 |
Koji | HowTo | PSL | 2W NPRO Mount designed with emachineshop.com software | 1. I can not see whether the attaching
surface is flat or not.
It should have ~1mm step to avoid |
|
|
3504
|
Wed Sep 1 08:40:28 2010 |
Alberto | Configuration | Electronics | PMC board unplugged, turned on Sorensen switches on 1Y1 rack |
|
|
|
3505
|
Wed Sep 1 10:54:15 2010 |
steve | Update | PEM | more crane balancing | Crane balancing at the south end is continuing
today. |
|
|
3506
|
Wed Sep 1 11:34:39 2010 |
Alberto | Update | Electronics | FSS Box Phase Noise from DAQ | I measured the phase noise of the LO output
of the FSS box from the DAQ. I'm attaching
the results. |
|
|
3507
|
Wed Sep 1 12:24:47 2010 |
josephb | Update | CDS | Trying to get up to date CDS code runnning | Alex, Joe:
We copied the latest x02 to c1x02
and modified to our the config block in it. |
|
|
3508
|
Wed Sep 1 12:34:14 2010 |
rana | Update | Electronics | FSS Box Phase Noise from DAQ | The differences between this setup and
the one used previously is the lack of the
50 Ohm terminator in the mixer output and |
|
|
3509
|
Wed Sep 1 16:29:28 2010 |
Alberto | Update | Electronics | FSS Box Phase Noise from DAQ - Measurement setup modified |
|
|
|
3510
|
Wed Sep 1 17:17:42 2010 |
rana | Update | Electronics | FSS Box Phase Noise from DAQ - Measurement setup modified | With the setup now working, we should now
test the power filtering for the crystal
and amplifier. |
|
|
3511
|
Thu Sep 2 01:44:13 2010 |
Jenne | Update | PSL | PSL beam hitting the PMC! | [Rana, Jenne]
More PSL progress.
The new laser was raised to a 4 inch |
|
|
3512
|
Thu Sep 2 01:48:23 2010 |
Jenne | Frogs | Treasure | Not cool.... | This totally creeped me out when I found
it wandering around on the floor not so far
from my desk: |
|
|
3513
|
Thu Sep 2 14:11:17 2010 |
steve | Summary | PEM | south end crane balancing is completed | The crane I -beam now leveled at all degrees
of rotation. The lower hinge was moved
southward about 1/4 of an inch. |
|
|
3514
|
Thu Sep 2 16:41:32 2010 |
steve | Configuration | SAFETY | laser is ON: safety glasses required! | I hooked up interlock to the Innolight
2W 1064 nm in the enclosure. The manual shutter
is closed on this unit. |
|
|
3515
|
Thu Sep 2 16:45:48 2010 |
josephb | Update | CDS | Numbering scheme of the PCI bus | Rolf has recently written a document describing
how one should fill out an IO chassis and
how the numbering works out. This can |
|
|
3516
|
Thu Sep 2 17:43:30 2010 |
josephb | Update | CDS | One working BO output module, others not so much | Joe and Kiwamu:
We found one bug in the RCG code,
where the second input for the CDO32 part |
|
|
3517
|
Thu Sep 2 21:22:31 2010 |
Sanjit, Koji | Configuration | Computers | rossa nvidia driver and dual monitor configuration |
Simple steps (but don't try these
on a working computer without getting some |
|
|
3518
|
Thu Sep 2 23:35:33 2010 |
rana | Configuration | Computers | rossa nvidia driver and dual monitor configuration | Why are we running CentOS 4.8 instead of
5.5 ? What runs at LLO?
What runs in Downs? |
|
|
3519
|
Fri Sep 3 06:55:42 2010 |
rana | Update | PSL | PSL beam hitting the PMC! | NPRO
Koji and I inspected and photographed
the laser after opening up its case. I then |
|
|
3520
|
Fri Sep 3 11:03:41 2010 |
Alberto | Frogs | Electronics | Cable cutting tools | I found this very interesting German maker
of cool cable cutting tools. It's called
Jokari. |
|
|
3521
|
Fri Sep 3 11:23:16 2010 |
josephb | Configuration | Computers | rossa nvidia driver and dual monitor configuration | At LLO the machines are running Centos 5.5.
A quick login confirms this. Specifically
the release is 2.6.18-194.3.1.el5.
|
|
|
3522
|
Fri Sep 3 13:04:30 2010 |
Koji | Frogs | Electronics | Cable cutting tools | Yeah, this looks nice.
And I also like to have something
I have attached. This is "HOZAN P-90", |
|
|
3523
|
Fri Sep 3 23:42:34 2010 |
Jenne | Update | PSL | PSL update of the day | Rana and I were poking around on the PSL
table today, getting a few more items raised
to the correct height. |
|
|
3524
|
Sun Sep 5 21:35:41 2010 |
rana | Configuration | Computers | rossa notes | **** Deleted
apps/emacs
apps/linux64/firefoxold |
|
|
3525
|
Mon Sep 6 01:46:58 2010 |
rana | Update | PSL | PSL update of the day | To bypass the polarizer issue, I just used
cubes. One I took from the FSS-Refcav path
and the other from the power control part |
|
|
3526
|
Mon Sep 6 10:08:10 2010 |
Alberto | Configuration | Computers | Netgear Network Switch fan broken. | The Netgear Network Switch in the top shelf
of Nodus' rack has a broken fan. It is the
one interfaced to the Martian network. |
|
|
3527
|
Mon Sep 6 20:38:58 2010 |
Koji | Update | CDS | Susension model reviewed | I have reviewed the suspension model of
C1SUS and refined it.
It is comaptible to the current one |
|
|
3528
|
Mon Sep 6 21:08:44 2010 |
rana | Update | CDS | Susension model reviewed | We must remember
that we are using the Rev.B
SOS Coil Drivers and not the Rev. A. |
|
|
3529
|
Mon Sep 6 22:09:11 2010 |
Alberto | Update | Electronics | RF Frequency Generation Box heat sink installed and tested | Last week I noticed that the high power
amplifiers in the Frequency Generation Box
became hot after 2 hours of continuous operation |
|
|
3530
|
Tue Sep 7 08:56:00 2010 |
Alberto | Update | Electronics | Frequency Generation Box Assembly - Phase Noise Measurements | Here are the results of my phase noise
measurements on the 7 outputs of the Frequency
Generation Box. (BIN=95L applied by DTT). |
|