Weekly Report for Week Ending November 14, 2002

The LIGO Executive Committee Agenda for Monday  November 18, 2002 will be:

 (Meeting time: 10:30 am Pacific Time)

Open meeting 10:30 - 11:30

1. Announcements
2. LSC Issues (Weiss)
3. Comments on Weekly Report
4. WBS 1 LIGO I Construction (Lindquist)
• Field Change Orders/Contingency Liens/Change Requests
5. WBS 2 LIGO Lab Operations
• Administration (Lindquist)
• Sites (Raab, Coles, Shoemaker, Sanders)
• Detector (Whitcomb, Coyne)
• Campus Research Facilities (Weinstein (40 Meter), Libbrecht (TNI), Zucker(LASTI))
• Data Analysis and Computing (Lazzarini)
6. WBS 3 and 4  Advanced R&D and LIGO II (Sanders)
7. CHANGE CONTROL BOARD/TECHNICAL REVIEW BOARD SESSION AS NEEDED

Executive Committee only 11:30 - noon   Topics:
 

Special Items:

Special Announcements:

Weekly Report Highlights
 

LSC Issues (Weiss)

no report

LIGO I Construction/LIGO Laboratory Administration (Lindquist)

There was a site teleconference scheduled for Thursday, November 14, 2002. However, no report has been provided.

The list of current actions revised to reflect the status of open actions assigned through October 31, 2002 may be found at ACTION LIST.

From: Ed Chargois <chargois_e@ligo.caltech.edu>

• Provided support to the Directors Office (S. Meshkov) with packing and shipping of one LDC Projector in support of the Project Science Workshop--Williamsburg ,VA. Account Number P204254.
• Provided support to the Detector Group (H. Armandula) with packing, shipping, and preparation US Customs Documents for five(5) Optic Substrates to SMA-VIRGO (J.M. Mackowski) Lyon, France.  Account Number P157746.
• Provided support to the Seismic Isolation Group (R. De Salvo/A. Buonanno) with the shipment of twenty-six boxes of books, professional papers, clothes, etc., to the Institute D'Astrophysique de Paris.

>From: Linda Turner - turner@ligo.caltech.edu>

Web pages for the DCC give simple how-to's for document numbering, easy access to the latest on-line documents, and search capabilities for the DCC database. Take a look. . .

ACCOMPLISHMENTS

• Continued to make strides in organizing and processing the multitude of document piles inherited by staff members over the past many months.
• Presented proposal for acquisition of a new copier to Barry and received approval for placing an order.  Decided to seek feedback from users of the proposed machine to determine if there were any further red flags to consider.  I spoke with three customers who were very satisfied with the MITA copier and endorsed the reliability and ease of use.  Received competitive bids and will place the order early next week.
• Prepared presentation for site administrative staff on the DCC and some refresher "how-to's".  Will give the presentation this afternoon.
• Began plans for a lunch hosted by Hiro and Prof. Koshiba on November 22.  Hiro wanted a Chineses buffet somewhere here on campus for about 20 people.

• Reminder to LIGO staff:  Please make sure that as a minimum, each document submitted has a LIGO number, author's name, and date.  It's surprising how many documents are missing one of more of these essential pieces of information!

ACTIVITY

• Scanned several documents for electronic access.  Filing and organization of historical documentation continue.
• Performed the labor intensive task of transferring all D '96 files and older from the DCC to the sub-basement storage room.  The next task will be organizing all the files and placing them onto the shelves.

 


For Week Ending  11/14/02	Packages	Faxes
In	39	40
Out	2	34

From: Esther Cunningham <esther@ligo.caltech.edu>

Press here for ACCOUNTS PAYABLE HISTORY DATA .

From: "Brambila, Ruth" <Ruth.Brambila@caltech.edu>

• Completed Change Order #19 to Support Services, Change Order #9 to Digikey, c/o#2 to metropolitan Electronics, Change Order #4 to NTD, and the new blanket order to P & N.  Closing out Yakama.  Ran into problems with Oracle with the transfer of funds on Goodrich.  It appears the file may be corrupt in Oracle.  ATC is looking in resolving the problem with the Goodrich PO.
• Working on finishing up the latest change order to Brunt, a Change Order to Triad, the Change Orders to University of Florida, Galli and Morelli, Coastal Bridge, and Teknicircuits.

• Prepared and sent out Charts of  FTE Actuals compared to Budget by type, i.e Scientists, Engineers, Postdocs, Admin, etc.
• Completed Visitors report for October.
• Financial reports can be found at: http://docuserv.ligo.caltech.edu/~fireport

From: irena@ligo.caltech.edu (Irena Petrac)

• EGO: CO No. 02, for a no-cost extension of the optics coating R&D effort through Sept. 30, 03, was released to Purchasing. The initial phase of AdLIGO optics coating R&D is completed. The check, allocating (to EGO) the remaining portion of LIGO's cost share ($57K) is in process.
• Butler: CO No. 23 was released to Purchasing.

• No report this week.

SUPPORT (Baldon, Lloyd, Tischler)

>Irene Baldon

• No report this week.

• Processed the usual invoices for payment and tracked and followed up on invoice problems. Reviewed and recorded payments processed by Esther the week of November 4.
• Processed the usual requisitions and change orders on-line.
• Continue to monitor contract and blanket order encumbrance and notify task managers when supplements are needed.
• Jim continues with data entry in the LIGO database and helping out in the DCC.

• Site Admin meeting this week.  That's what it is all about that!

Advanced LIGO (Frey)

No report this week (SNS Review).

There are no open change requests, and there were no change requests considered this week during the Executive Committee meeting..

From: Cindy Akutagawa <cindy@ligo.caltech.edu>

• Various personnel/payroll /HR related work.

Quality/Safety (Tyler)

No report this week.
 

LIGO Hanford Observatory (LHO) and Interferometer Operations (Raab)

Summary of Commissioning Activities at LIGO Hanford Observatory (compiled by M. Landry)
---------------------------------------------------------------------------------------
 
2K IFO (H2)
-----------

Reliable state 2 and 3 locks can be achieved, but we have been stymied by a lack of
decent state 4 locks.  Those that do occur are exceptionally brief (seconds to
minutes) and low power (100-200 in the arms).  Complicating matters may be optical-lever
induced fluctions in the ETMX.

Bill Kells completed a series of 2k single-arm visibility measurements.  The x-arm
has a visibility of 0.026 , while the y-arm, 0.022.  See the elog for details.

New low pass filters on the 2k and 4k optical levers have reduced the rms noise in
the coil outputs by a factor of ten.
 

4K IFO (H1)
-----------

R. Schofield noted optical lever resonances were responsible for much of the
structure in H1 AS_Q between 10 and 120Hz.

We have been locking the 4k reliably in common mode.  The AS light level was increased
by a factor of four over the S1 level.  Differences in the resulting strain spectra
compared to that of the LLO 4k are 'too close to call' (RA).

WFS1 was landed on ISCT4 and commissioned - the loop can be closed, stabilizing the
lock.

4k PSL skirt (Radkins, Schofield):

The 4K acoustic skirt has been completed and is now in place.  See Robert's elog
about the results, but the finished skirt reduces the noise on the microphone in the
enclosure a factor of 2 or 3 between 200 & 900hz compared to no skirt at all.  The
makeshift skirt provided noise levels between these two as expected.

DAQ
---

Rolf installed 4k ETM software with timing diagnostics. DAQ stability has been improved
(in part with the move of the EDCU to a Sun workstation).
 

LIGO Livingston Observatory (LLO) and Interferometer Operations (Coles)

Interferometer: Completed the modifications to the front end code to incorporate the data acquistion of the Microseismic channels. The signals are been acquired, processed and fed to the end stations. Some more work need to be done to physically add the MS signals to the Fine Actuator summing junction. (Ash)
 

I worked on wfs characterization with wfs team. We also tried to use wfs with full interferometer. We were able to suppress the error signals but did not see a positive effect on the ifo performance (arm or sideband power did not impove). Valera
 

Robust coil driver operation continues to be a problem, with unexpectedly high power dissipation on the boards causing component damage. Switching transients (whose origin has not yet been diagnosed) also contribute to the problems. We will have lots of help here at LLO next week to work on this problem.
 

CDS: Installed the Fast Ethernet switch in the mass storage room. Once the wiring to the Sun Blades in the control room is done, it should be fully working. Also installed some more Sun Blades in the control room. To check if the problem with the blrms monitor's dmt viewer signal is with the software, I restarted the blrms monitor. Since this didnt fix the problem I am working with Ed and the DMT guys to check this. Reading more about epics and its extensions. Working with Russ and Ken on the timing board revs. (Chethan)
 

GC:
Started configuration of the new network switches. Ordered patch fibers for the new switches. Found a root kit on one of the linux machines here. I have turned the machine off until I have time to deal with it. They used Tuxkit1.0 which is a Linux root kit. I believe that they came in through apache. continued working on the new firewall rules. I rolled out a version to the PIX but had to remove it due to some problems. This was due to a misleading portion of the Solsoft software. I have been on the phone several times with Solsoft with numerous questions. Their tech support is very good. It is a complex software package that will take some time to fully grasp, however it is VERY useful in laying out firewall rules. I will be working with Larry through Saturday to install the new switches. I will probably roll out the new firewall configuration with corrections again this weekend. (Shannon Roddy)
 

DAS admin:
1) Upgraded DB2 to 7.2 at LLO;
2) Upgraded Linux to 7.3 at LLO;
3) Upgraded 3ware firmware on the RAID box;
4) Installed Solaris 8 GigE patch.
LDAS data analysis:
1) Continue working on Wave DSO
Igor Yakushin
 

HEPI / LASTI: We received the bellows from Ameriflex Saturday. The workmanship is outstanding. We noticed a difference right out the box. Somehow Ameriflex rolled them with a 0.271" pitch (0.068"R) instead of the design value 0.340" (0.085"R). This results in a sizable, ~0.4" long cylindrical section between the ring at the end and the first convolution. We performed a hydro test, and observed this section to yield at ~90PSI. As beautiful as these are, they will not work in the actuator.
 

I got with Ameriflex Monday morning and they acknowledged their mistake. They are remaking the bellows with the correct pitch and promise to get them out by 11/14/02. We sent the old ones back to rework the rings and reuse them. We plan to try again this weekend, and ship 2 to MIT early next week.
 

One useful consequence of the bellows problems is that it has allowed us to test three different bellows: on that was as design, on that was annealed as a result of a vacuum brazing procedure, and one that was manufactured to physical dimensions that were incorrect. Marcel is using the data to base a failure analysis, and examine alternate SS alloys for production. L4C mounts are in the shop and should be finished by Nov 15, then sent for anodizing. (Hammond,Kern)
 

Optics / Laser Ordered material and machined parts for a 3x beam reducer at the dark port. Issued multiple Laser Access cards and distributed the IOT/ISC SOP to registered. (Kern)
 

Other: An Astronomy workshop for about 30 high school teachers, mostly from the New Orleans metro area, was held at LLO on Saturday night. The New Orleans Chapter of AAPT was the sponsoring organization.
 
 

Detector/Technical Support (Coyne)

40 Meter Interferometer (Weinstein)

• Core IFO: We continue to work towards constructing a short-arm Michelson with our three newly suspended optics (BS, ITMx, ITMy). We need to complete, and commission, the digital suspension controllers for those optics; assemble and install a faraday isolator, mode matching telescope, optical levers, and cameras. And, we won't have length or aligment control systems. We will rig something up with SR560's to control the Michelson.
• Suspended mass mode cleaner (Ugolini, Miyakawa, Vass, Abbott):
• Dennis and Ben made the phase shifting cable for the MC servo local oscillator (we had been using a Marconi for the task!). The LO signal is now 20 times bigger than before, increasing the gain by that amount. We will need to turn the gain back down in order to get the MC to lock. Work in progress.
• Osamu has measured the intensity noise at the MOPA, the PMC, and the output of the MC. The MC intensity noise has a big broad peak at the pendulum (1 Hz) and pitch and yaw resonances. Osamu measured these spectra with the PSL enclosure HEPA filter on and off, and he sees a huge difference, a clear factor 10 above 200 Hz.
• The intensity noise out of the PMC is a bit higher than out of the MOPA; Osamu suspects acoustic noise introducing intensity noise in the PMC, and will continue to investigate.
• Osamu measured the PSL frequency noise using the MC as an out-of-loop reference. With the HEPA filter turned off, the frequency noise is almost within spec above 300 Hz. Osamu will optimize this by adjusting the gain in the PSL frequency servo.
• In both the intensity noise and frequency noise spectra, acoustic noise appears to dominate below 300 Hz. Osamu will investigate and try to track down the source.
• Steve and Larry Jones are investigating ways of making the MC2 suspension chamber less sensitive to people walking by.
• Ben and Dennis continue to work on getting the mode cleaner fast signals into the DAQ at 16384.
• Electronics (B. Abbott, Taylor):
• Bob has completed the cross-connect wiring for 1X4, the east end rack, and powered it up. He will move to 1Y9 (the south end rack) next. Power for 1Y4 (the DSC for the vertex core suspensions) is in.
• Dennis booted up the EPICS control cpu (C1MOSAUX) in 1Y4, the DSC for the vertex core suspensions. Dennis has put together the EPICS database for it, and Ben has put together the EPICS screens. Ben and Lisa Goggin have begun checking out the EPICS controls They're having some trouble with the switch control through the XYCOM 220. Work in progress.
• Ben has delivered the remaining 7 suspension satellite amplifier boxes required for the core optics.
• Ben is acquiring hardware for the end racks (DSC, oplev, etc). He is also acquiring optical levers and other components necessary for suspensions completion.
• We await installation of the code for the core optics suspension controller rack (1Y4) by Rolf and/or Alex. Their availability is in question...
• All of the Pentiums for 1Y4 are now in hand, and the Penteks should be by the end of next week.
• Ben continues to work on the interface between the Glasgow suspension electronics and CIT electronics. He has begun testing the Dspace whitening interface board, and it seems to be functional, and working as expected so far.
• Optical sensing (Smith):
• OPTICS PARTS LIST, Orders pending: 3 each, 1in mirror mounts are pending from Newport; input mode-matching telescope off-axis parabolic mirrors are pending from SORL; IFLEX1000 IR laser for optical lever is pending from Point Source Ltd; ; polarizers and half-wave plates for Faraday isolator from KLC; Faraday rotator from EOT; 3 PZT tilt platforms and 2 servo control drive electronics and strain gauge read-out electronics from Piezosystems Jena; 1.5 in and 2in fixed vacuum mirror mounts and an adapter spacer from ASCO are expected by 11/16/02.
• FARADAY ISOLATOR: Faraday Isolator mechanical parts were received from CA Machine Co. Mike will begin to assemble it, soon.
• IFO MODE-MATCHING TELESCOPE: Working drawings for the telescope mechanical parts are expected to be completed by 11/15, and will be sent out for quotes shortly thereafter.
• OPTICAL LAYOUT: An optical layout of the 40m IFO using ASAP has verified the ACAD layout that was based on hand calculations of the beam trajectories. Ghost beams will be generated with ASAP to determine the detailed placement of pick-off mirrors and beam dumps, etc.
• Mike will try to add a QPD just before the beam enters the main IFO, to monitor drifts in the beam position there. The beam angle will be monitored by a QPD ("initial pointing") at the east end.
• Optics (Billingsley, Armandula), suspensions (Romie), OSEMs (Bob):
• Our BS, ITMx, and ITMy, are suspended and sitting on the South Annex clean room flow bench.
• Last week, Steve and Osamu swapped out dirty OSEMs for clean ones in our ITMx, ITMy, and BS, in the South Annex test bench. Although the ITMs (on bigger suspension towers) damped just fine, the BS did not damp properly (with our test-bench stand-alone analog suspension controller). The wire was found to be touching the side magnet stand-off. On advice from Janeen, Helena, and Betsy, Steve replaced the wire according to procedures. But, the new wire is also touching the side magnet stand-off. And, it still did not damp properly. Bob made a 40m long suspension controller cable and ran it from our digital suspension controller system to the test bench where the BS is sitting. It damped well, with no problem. We conclude that the stand-alone analog suspension controller has developed a problem which shows up only for SOS's. Anyway, we now have a working suspended BS and a nice long cable for running the DSC to the South Annex test bench.
• Janeen wrote up the DCN for the the remaining two 40m TM suspension changes. Dennis signed the DCN and the test mass supsension parts are at CES for rework. Mike expects to complete the work by Thanksgiving. Bob Taylor is expecting them on Dec 2nd for cleaning and baking. They will be assembled soon after that.
• Janeen borrowed one of our unassembled SOS suspensions for prototyping some earthquake stop re-designs.
• Bob continues to build and clean OSEMs. He has enough long and short OSEM bodies to build all the remaining ones needed for the 40m core optics.
• Facilities and vacuum envelope (Ugolini, Vass, Jones):
• Dennis is arranging the shipment of one of our STACIS seismic isolators (SENW-x) to TMC for repair.
• Larry Jones will work on camera mounts for viewing the suspended core optics.
• Larry Jones is designing beam tubes from the IFO exit ports to the optical sensing tables.
• Steve is arranging for crane power disconnects / protection to be installed on all of our cranes.
• South Annex Bake Ovens (Taylor, Cardenas):
Bob reports that two RGA heads sent to Dycor for repair will cost $4660.

Thermal Noise Interferometer (Libbrecht)

This week at the TNI we tried locking the arm cavities with the new,
improved alignment.  As we have seen many times in the past, achieving
transient locks of 30ms or so was easy, but extending the lock to hold
for minutes or hours was more difficult.  In the past we have solved
this problem basically by trial and error, sometimes achieving
long-lasting locks, but never gaining an understanding of what limits
the lock times in the first place. (Just when we think we have an
explanation, we find that our understanding does not carry over into
the next modification.)
 

Since these transient locks occur so often, we would very much like to
understand their cause(s).  Even more, we would like to understand and
be able to control the difference between a transient and a stable
lock. With this in mind we have begun to simulate the TNI's lock
acquisition in the time-domain.
 

LASTI (Zucker)

LASTI (Coyne, Forbes, Hammond, Kern, Mason, MacInnis, McKenzie, Mittleman,
Ottaway, Rankin, Rollins, Shoemaker, Zucker, )
---------------------------------------------------------------------
 

PSL (McKenzie, Rollins, Ottaway)
-------------------------------------------
We found that the limitation to the robustness of our FSS card is slew
rate limiting in the fast (PZT) path. Kirk is investigating the fast path with
the aim of determining the electronics that will allow us to achieve 10^-2
Hz/rtHz at all relevant frequencies and maximise the dynamic range of this
path.
 

# MZ This is a VERY subtle effect; good work tracking it down!
 

HEPI design and installation (Mason, Rankin, MacInnis, Forbes, Mailand)
---------------------------------------------------------------------------
The plumbers have completed the hydraulic lines between the pump
station and the manifolds at the top of the BSC piers. A P.O. was
issued to these same contractors to build (8) valve panels between the
upper manifolds and the actuators. They will supply all piping to the
actuators and helium leak check all piping. The piping connected
perfectly to the pump station.
 

Ken Mailand has installed the hydraulic pump station into our pump
room. Sensor testing and leak checking remains to be done. We are not
able to run the system until a decision is made on the fluid we will be
using.
 

Myron and Bill Rankin have installed (3) HEPI housing assemblies on top
of the BSC piers.  Because of the weight of the BSC stack we are
suspending them on their springs and using the hard stops to prevent
motion.
 

The first hydraulic actuator was test fit in bith the horizontal and
vertical axis. There was no problem with the horizontal actuator. In
the vertical direction it appears we will have to remove the tripod
from the actuator in order to get the actuator into the housing.
 

MEPI characterization, modeling and LOCKING (Mittleman, Ottaway, Coyne,
Suo, Nayfeh and others)
------------------------------------------------
Lei Zuo (MIT ME grad working on LIGO) has used the measured transfer
function data from the HAM to calculate a modal decomposition of the
support structure.  An initial lock of the "X" like mode showed
significant noise suppression; details to be posted on the ilog shortly.
 

#MZ This is a spectacular result, IMHO. To fill in for Rich and Dave's
understatement, an 8X8 mess of hairy measured transfer functions was
diagonalized mathematically into eigenmodes of the structure, a
compensator was devised to damp and suppress one of these, and then a
transformation was formed to re-project the compensated signal back
into the 8X8 basis of the MEPI coil forcers; and it worked!  Damn,
these guys are good. On to the other modes...
 
 

Data Analysis and Computing (Lazzarini)

Simulation and Modeling (Bhawal)
E2E Physics meeting
-------------------------
Virginio talked about his work on the reconstruction of the displacement of
the optical table. The motion at suspension point is calculated from
the OSEM motion via mirror. Luca described recent measurements at LHO on the
effects of frequency noise on lock acquisition. Based on his Simulink model,
a separate mode-cleaner e2e model will be constructed with seismic noise
and correlation between two HAMs included. He wants to study the extent to
which the seismic activity might affect the frequency noise level.

Collaboration with SLU
-------------------------
(Hiro) Discussed with Sany Yoshida of SLU about
(1) his proposal for NSF and the scheduled presentation at PAC in Dec,
(2) his measurements of the seismic motion propagation in LVEA. There
seems to be some bouncing effect observed by stacks. This may indicate the
importance of using the real time series of seismic motion at each stack
when studying the details of the Michelson performance,
(3) installation of e2e at SLU. There are a few modifications needed
(found when installing e2e at MIT), and asked Ed Maros to fix them.
(4) an undergraduate student did measurements of the motion of a tilted
mirror using an optical lever at SLU, and the result was presented and
the simulation of the motion using e2e was discussed.

Definition of propagator length
----------------------------------
The comment by Michaela Malec of GEO regarding the definition of a
propagator length (see discussions on ligo-e2e-Physics mail list for details)
was analyzed. The documentation will be updated to make equations more
consistent and explanations clearer.

Simulation of LLO seismic effect
---------------------------------
(Hiro) Collecting information for the simulation of LLO seismic effect.
Mark Barton provided us information about the stack transfer function
from the ground and from the pier top. Virginio has started modifying
SimLIGO to include the actual seismic motion time series.

Summation Cavity calculations
------------------------------
(Hiro) Studied the FP summation cavity calculation and found various
corrections needed to make it more accurate. Two of the most important
corrects are (1) better approximation using different ways of summing
terms and (2) careful choice of timing - the simulation is good when the
chosen time step corresponds to full round trips, but the time step is
not this idealistic case, a careful correction is needed.

(Biplab) Worked on implementation of more accurate summation formula in
recycling cavity module in order to improve results when input field has
frequency/amplitude noise included.

Code maintenance
----------------
(Ed Maros)
   1. Added Quick Start section to README file
   2. Added support for gcc 3.2 compiler in build-e2e script
   3. Added support for java 1.4.x in build-e2e script
   4. Automatically unstow previous version and stow current
      version if -install option specified and system supports stow

Alfi
-----
(Bruce)
- Worked on the reload of boxes from disk (PR 249).

(Melody)
- Continued working on the modeler to read the revised file format
   and implement discussed optimizations.

LIGO Data Analysis System

Software Systems (Blackburn)
Software Systems ( Blackburn [ composed by Edward Maros ] )

This week saw the release of LDAS 0.5.0. It has been installed at all the sites. This release fixes many bugs and has much better support for frequency series data. It is also the first release that supports the version 6 frame specification.

Work has started on compression of FrVect strucutres. The frameCPP library and the FrameAPI library as well as several user commands will need to be modified to implement this functionality.

Work has also begun on supporting GCC 3.2.x compilers. The first step is the replacement of the strstream class with the stringstream class. This modification will be backwards compatable with the current GCC 2.95.3 compiler.

The cmonClient is being tested with a newer version of the BWidget set. This widget set is responsible for most of the widgets used to navigate and create the screens of the cmonClient.

Work has also been done on a script for generating the reduced data sets of the S1 data. Four instances of the script have been run in parallel.

Hardware Systems (Anderson)
Caltech
-------
(Dan Kozak)

* HPSS: Completed migration of all LIGO data from Redwoods and associated
        cleanup work.  Am now cataloging the LIGO presence on 3590 tapes.
* Started the process of getting quotes for next 9940 tape order.
* Trying to get in touch with Dan Heller at Qlogic to revisit the 2Gb FC issues.

(Al Wilson)

* Tracking down problems with systemimager at LHO and LLO. I am troubleshooting
  the process at CIT.
* Found two of our IDE RAID systems to have drives that need to be "rebuilt.
  No data was lost during this process.
* Started on the re-wiring of the KVM switch in 215 sync.
* We got in the replacement machine for ldasbox1 it should be online by
  later today.

(Stuart Anderson)

* LDAS-0.5.0 release coordination.
* Benchmarked a Linux 2.5.47 development kernel for hopefully improved NFS
  server performance over Gigabit Ethernet to no avail.
* Continued testing and configuration adjustment of an apache-2.x web server
  on the LDAS-DEV system as a possible upgrade from the current apache-1.x
  web server on all other Lab LDAS systems.
* Started archiving LHO trend frames again, which was been on hold for
  several weeks with the recent LDAS hardware move at LHO.

Livingston
----------
(Igor Yakushin)
* Upgraded DB2 to 7.2 at LLO;
* Upgraded Linux to 7.3 at LLO;
* Upgraded 3ware firmware on the RAID box;
* Installed Solaris 8 GigE patch.

Hanford
-------
(Greg Mendell)
* Updated the operating system on the servers and beowulf cluster at
  LHO running Linux from RedHat 7.1 to RedHat 7.3.
* Made the raw, second trend, and minute trend data from fb0 available
  to the ldas gateway box for back-ups to caltech.
* The fire suppression system has been installed and armed by
  contractors in the LDAS room in the new building at LHO.

Lazzarini, Katsavounidis, and Sanders went to a meeting at NSF at the end of last week to discuss the ITR 2003 opportunities. In attendance were the principals from the LSC Tier 2 centers. We are still discussing amongst ourselves how to proceed.

Data Analysis Activities (Lazzarini)
Creighton: This week I worked on debugging SkyCoordinates routines in LAL.

Mendell:
A small amount of work was done with the PULG group to add a section
about preliminary results from the knownpulsardemod DSO to our a report
on our progress with the S1 data.  Mostly I have been busy with system
administration tasks.

Weinstein:
- finished up some sky-averaged coincident efficiency calculations,
  and made the matlab code available to others.
- contributed text on interpretation, simulations, sky averaging
  to the burst "nov.1" report.
- wrote a talk on the burst group work, and gave the talk
  at LIGO science seminar on 11/12/02.
- did some calculations to confirm that our sensitivity to bursts
  was in agreement with expectations from S1 IFO strain sensitivity curves.

* Continued to work on veto optimization studies for the S1 inspiral upper
limit analysis.

General Computing (Wallace)

Lazzarini and Anderson met last week with the CACR and ITS management to discuss and plan an upgrade for LIGO networks at Caltech (LDAS and GC) from current configuration to an all-GbE system. The time scale for the upgrade is January 2003.

MIT:
(Keith)
rebuilt backup server and installed larger harddrives
reinstalled patches and MU7
reinstalled disksuite
installing SSL wrapper on POP server
rebuilding newest version of POP server
attended Usenix conference in Philadelphia

Livingston:
(Shannon)
-Started configuration of the new network switches.
-Ordered patch fibers for the new switches.
-Found a root kit on one of the linux machines here.  I have
turned the machine off until I have time to deal with it.
They used Tuxkit1.0 which is a Linux root kit.  I believe that
they came in through apache.
-Continued working on the new firewall rules.  I rolled out a
version to the PIX but had to remove it due to some problems.
This was due to a misleading portion of the Solsoft software.
I have been on the phone several times with Solsoft with
numerous questions.  Their tech support is very good.  It is a
complex software package that will take some time to fully
grasp, however it is VERY useful in laying out firewall rules.
-Will be working with Larry through Saturday to install the
new switches.
-Will probably roll out the new firewall configuration with
corrections again this weekend.

Hanford:
(Christine)
- Set up a new color printer in the old building.
- Provided user support for user's on site and off.
- Worked on some more sys admin documentation.  Evaluating a software package to do screen captures and then edit the images.
- Worked with Larry and others trying to get access to the Caltech Benefits web page.

CIT:
(Veronica)
-Assisting with ProjectScience conference.

(Mike)
-Cleaned up two laptops that were returned from travel.
-Setup a laptop for Ed Jasnow for travel.
-Finished up loading a PC for Synchrotron lab and put it back into
circulation.
-Working on the NT servers to lock them down from unknown user
intrusion. According to logs we have had various unknown users trying to
hack our systems but unfortunately there was some successful logins.
Damage Done: It seems that some system files were tampered with and
permissions were change to allow future access for these types of users.
This caused three of the servers to go down. Since then we have had similar
problems but now have firewall software that I will be using to secure all
servers.
-Lisa and I went around to most of the workstations to add extra security
features; this is still on going for we have a few more workstations to
work on. We must work on all users local workstations to implement security
changes. It seems that we only have Wilson House to work on which I hope to
get over there today.
This is only for users running 2000 Pro and does not affect win98 users.

(Lisa)
- LISA conference
- Ordered a hunt group of 2 ISDN lines (4 phone numbers) for the 800 number on
the modem pool.
- Worked with Mike on some problems with the win2k servers
- More mailman questions
- Began looking at logging on the modem pool.  It can be done via syslog but
will take some time to get it set up.  The alternative is to use a RADIUS
server.
- Heavier than usual user support

(Larry)
-Still working on the Matlab quotes. Finally have some numbers to work with and should have everything in place by the end of the month.
Purchased a number of s/w pkgs. and supplies for the PC's. Resolved a contract
issue with SUN.
-Helped a number of people with virus issues. Most had not kept their units
up to date and were fortunate to not need a complete rebuild.
-Worked a number of equipment issues.
-Spent a deal of time assiting Mike in resolving a number of issues he had
to work through. Most were security problems with the servers and tracking
down machines with viruses.
-Resolved a couple of modem issues.
-Continued work on trying to resolve the bandwidth problems going the Hanford.
More tests will be run next week by PNNL and we are trying to get someone from
the ESnet group involved.
-The general items of reworking the e-mail lists, setting up user accounts,
restoring files and other related items.
-Working with Shannon on a number of issues.

[Bruce Sears]
* (BS) Ilog Maintenance and Upgrade:
        - More cleanup of obsolete files and entries at the Ilog sites.
        - Some design work for the next upgrade after soliciting suggestion

LIGO II/Advanced R&D (Sanders)

From: "Mark Barton" <mbarton@ligo.caltech.edu>

Just odds and ends this week: eddy current damping calculations in
support of janeen's earthquake stops requirements document, ordering and
setting up an infrared monitor to look at fringes in the interferometric
sensor and reviewing Phil's new recycling mirror suspension design
(<http://www.ligo.caltech.edu/~mbarton/SUSmodels/>).

From: ctorrie@ligo.caltech.edu

Michael Perreur Lloyd, an engineer from U. of Glasgow, is visiting
Caltech for 5 weeks.

SolidWorks
    Explorer
Mike and I have been working on copying the set of Mode Cleaner files,
parts, assemblies and drawings in order to create a full set of files
for the Recycling Mirror. Lisa Bouge has been helping us with permission
problems in /engmech.
This will allow us to create a complete set of RM files, and should only
take a few days compared to a few months of drawing new parts etc...
    BOM and drawing tree
Mike and I have created a LIGO Bill of Materials that can be loaded
automatically into a assembly drawing.
 
Laboratory
Helena, Mike and I have assembled the I-catcher and the upper blades for
both Mode Cleaner suspensions.
The coil assembly is about 50% complete.
http://www.ligo.caltech.edu/~ctorrie/LIGO_triple/ligotriple.html

RM design
Phil, Helena and I held a meeting to discuss the changes Phil has
implemented. The next stage is for Glasgow to help with the blade design
and Mike and I will look at the mass and moments of inertia of the upper
and intermediate mass.
 

From: Jay Heefner <jay@ligo.caltech.edu>

Adv LIGO SUS prototypes
====================================
- 9 more Rev C AI boards are being stuffed for a total of 10. Three are required for the CIT prototype. This leaves 7 available for test in LIGO.

For additional information about this report, contact sanders@ligo.caltech.edu