Add 125ml water to crystal chiller. Diode chiller level is OK.

Title:  12/02/2015, Evening Shift 16:00 – 00:00 (08:00 – 16:00) All times in UTC (PT)
	
State of H1: 08:00 (16:00), The IFO locked at NOMINAL_LOW_NOISE, 22.2w, 81Mpc.  

Outgoing Operator: TJ

Quick Summary:  IFO locked in Observing mode for the past 15 hours, with exceptions for commissioning mode as noted in the aLOG. Environmental conditions are good – wind is calm (0-3mph), seismic activity quiet.   

• Title: 12/2 OWL Shift: 08:00-16:00UTC (00:00-8:00PDT), all times posted in UTC
  

• State of H1: Observing at 77Mpc for 16hr. Bubba still on tractor clearing snow.
  

• Shift Summary: Boring shift (a good thing!) except for the snow.

• Incoming Operator: Jeff B

• Activity Log:

• 12:16 - Out of Observing to clear timing error
• 12:16 - Observing
• 13:34 - GRB
• 15:06 - Tractor clearing snow in the parking lots, dip in range.

At 15:06 UTC Bubba told me that he was headed out to clear the parking lots of snow. Since then there has been about a 5Mpc drop in range. Coincidence?

LLO lost lock, so at 12:16 UTC I brought the IFO out of Observing, cleared the timing error on H1SUSETMY, and then went back into Observing.

Observing 78 Mpc for 12 hours. Snowing.

There is a little over an inch of snow on top of a bit ice from freezing rain on site. If you are coming on site this morning please drive safe and slow. I'm not sure if Route 10 has been plowed, but I have seen a few cars heading to Hanford.

• Title: 12/2 OWL Shift: 08:00-16:00UTC (00:00-8:00PDT), all times posted in UTC
  

• State of H1: Observing at 80 Mpc for 8.5hours

• Outgoing Operator: Travis
  

•  

• Quick Summary: Lights off, winds calm, useism 0.3um/s, CW inj running.

Title: 12/1 Eve Shift 0:00-8:00 UTC (16:00-24:00 PST).  All times in UTC.

State of H1: Observing

Shift Summary: Another very quiet shift.  Only 4 ETMy saturations.  ~7 hours of coincident observing time with LLO.

Incoming operator: TJ

Activity log: None

Since JeffK and Nutsinee finished their measurments, we have been in Observing.

J. Kissel

I've taken new DARM Open Loop Gain and PCAL2DARM transfer functions for the bi-weekly(-ish) full-frequency-span confirmation of the time variation in calibration / IFO parameters. As a by-product of these two transfer functions, we're able to confirm that the front-end, CAL-CS, DELTAL_EXTERNAL calibration (and therefore the low-latency GDS pipeline output) is still within the desired precision. I attach screenshots of the measurements. They will be processed in greater detail tomorrow, once we have the evening's kappa values (i.e. what the calibration lines are telling us the systemaic errors are in the model parameters). Stay tuned, but things continue to look exquisite. Great job CAL team!

DARM OLGTF Template:
/ligo/svncommon/CalSVN/aligocalibration/trunk/Runs/O1/H1/Measurements/DARMOLGTFs/2015-12-01_H1_DARM_OLGTF_7to1200Hz.xml

Corresponding Exports:
/ligo/svncommon/CalSVN/aligocalibration/trunk/Runs/O1/H1/Measurements/DARMOLGTFs/
2015-12-01_H1_DARM_OLGTF_7to1200Hz_A_ETMYL3LOCKIN2_B_ETMYL3LOCKEXC_coh.txt
2015-12-01_H1_DARM_OLGTF_7to1200Hz_A_ETMYL3LOCKIN2_B_ETMYL3LOCKEXC_tf.txt
2015-12-01_H1_DARM_OLGTF_7to1200Hz_A_ETMYL3LOCKIN2_B_ETMYL3LOCKIN1_coh.txt
2015-12-01_H1_DARM_OLGTF_7to1200Hz_A_ETMYL3LOCKIN2_B_ETMYL3LOCKIN1_tf.txt

PCAL2DARM TF Template:
/ligo/svncommon/CalSVN/aligocalibration/trunk/Runs/O1/H1/Measurements/PCAL/2015-12-01_PCALY2DARMTF_7to1200Hz.xml

Corresponding Exports:
2015-12-01_PCALY2DARMTF_7to1200Hz_A_PCALRX_B_DARMIN1_coh.txt
2015-12-01_PCALY2DARMTF_7to1200Hz_A_PCALRX_B_DARMIN1_tf.txt

Back to Observing after Maintenance Day.

Jeff B, Ed, Kiwamu,

Today we have changed two parameters in the OMC_LOCK guardian as follows.

• Changed the scan starting voltage back to -24 V (probably this was unnecessary).
• Changed the lower threshold for the peak ratio of the upper and lower rf sidebands to -25%.

The guardian codes are reloaded and checked into the SVN. We tested once and worked fine.

We had an issue with the OMC_LOCK guardian where it did not succeed in finding a carrier resonance. Although this may sound familiar to some of us (for example, alog 23543, alog 23823), the symptom was different this time. The upper and lower 45 MHz rf sidebands had different peak power by approximately 11%. As the OMC_LOCK guardian stringently checks whether the power ratio is within [+25%, -10%], it was unfortunately exceeding the lower threshold and hence the failures. I have no idea why the power ratio now exceeds the power threshold. I briefly checked the TCSs but none of them seemed suspicious. Furthermore, since the interferometer was able to fully lock with the RF readout at a lower power, the change we are trying to identify may be a subtle thing.

After all, we have relaxed the lower threshold to -25% so that it matches the upper one. Also, during the investigation, we have reverted the start voltage for scanning OMC back to -24 V which had been -30 V in the past few days (alog 23823). This change might be unnecessary, but since it works fine, we will leave it as it is. 

Today we energized the new ion pump mounted on beam tube port X2-8.  This pump is isolated from the beam tube for now.  A permanent, dedicated mounting setup and location for the controller in the X-end building is still being sorted but for now (to test functionality) we have it at a temporary site in the mechanical room of the X-end station. -> The indicated current/pressure on the controller agrees within 50% of that indicated by the independent pressure gauge which is mounted on the pump port hardware.  We will make an attempt to measure any HV cable leakage current (cable is ~1,000 feet long!) and perform a few tests to convince ourselves that the pump is actually pumping etc... as opportunities arise.  

Activity Log: All Times in UTC (PT)

15:55 (07:55) Jeff B. – In the LVEA to take 3IFO storage temp/humidity data
16:00 (08:00) Peter – Into the PSL for alignment work (WP #5626)
16:08 (08:08) Take over from TJ
16:15 (08:15) Gerardo – Going to End-Y to pull high voltage cable for Ion pump at Y2-8
16:20 (08:20) Lockloss – Jeff K. running charge measurements at End-X
16:21 (08:21) Jeff K – Charge measurements on ETM-X
16:24 (08:24) Filiberto – Going to End-Y for cabling work (WP #5630)
16:26 (08:26) Bubba – Going down Y-Arm to survey for rock delivery
16:50 (08:50) John & Nutsinee – Going to TCS-X table to check view ports
16:50 (08:50) American Rock – Rock delivery along Y-Arm
16:55 (08:55) Joe – Going into the LVEA 
16:58 (08:58) Patrick – Starting on software side of WP #5630
17:00 (09:00) Jodi & Mitch – Going to End-Y to start garb room change (WP #5628)
17:08 (09:08) Bubba & Betsy – Going into LVEA to move Quad boxes – Using crane
17:18 (09:18) N2 delivery to End-X
18:35 (10:35) Filiberto – Finished at End-Y – Going to End-X (WP #5630)
18:41 (10:41) Joe – Going into LVEA to unplug battery chargers
18:42 (10:42) John & Nutsinee – Out of the LVEA
18:45 (10:45) Jeff K. – Going to End-Y to reset railed ESD
18:50 (10:50) Joe – Going to End-Y to check batteries
19:10 (11:10) Nutsinee – Going into the LVEA to work on HWS alignment
19:12 (11:12) Gerardo & Kyle – Back from X-Arm
19:15 (11:15) Contractor on site to meet with Bubba
19:24 (11:24) Richard and Ken out to End-X to check on some ION pump controls 
19:28 (11:28) Joe is back from End-Y
19:43 (11:43) Dave & Patrick – adding FMCS temperature channels (WP 35631)
20:05 (12:05) Locked IMC at the request and approval of Kissel and Landry.
20:07 (12:07) Kyle and Gerardo back from End-X. He says Filiberto is still there, though.
20:28 (12:28) Tried relocking – Found initial alignment off
20:40 (12:40) Redo initial alignment
21:34 (13:34) FD on site
21:53 (13:53) Kyle & Gerardo – Going to X2-8
22:27 (14:27) John & Bubba – Going to Mid-X 
22:37 (14:37) Kyle & Gerardo – Back from X-Arm
22:50 (14:50) Start relocking
23:49 (15:49) Locked at NOMINAL_LOW_NOISE
23:50 (15:50) In commissioning mode so Kissel can run measurements
00:07 (16:07) Turn over to Travis	



End of Shift Summary:

Title: 12/01/2015, Day Shift 16:00 – 00:00 (08:00 – 16:00) All times in UTC (PT)

Support: Kiwamu
 
Incoming Operator: Travis

Shift Detail Summary: 16:00 (08:00) Start Tuesday maintenance window.
After maintenance window tried to relock. Green alignment bad. Realigned green and tried relocking. Found BS alignment was off. Did full initial alignment and tried to relock. Had a problem with OMC not finding carrier. Kiwamu found lower limit of carrier detection was too tight. He changed it in Guardian from 10% to 25% (which matches the upper limit). Continued with relocking and reached NOMINAL_LOW_NOISE. IFO is in observing mode while Kissel runs measurements. 	   

John, Richard, Nutsinee

Today's plan was to go out to TCSX table, take out the old IR sensor, and replace it with the new one (+VP inspection). John wanted to make sure that the sensor actually does what it was designed to do before we unwrap the light pipe and put it in so we did some tests. The comparator box was thought to be calibrated to trip at ~45 degree C. However, I forgot to write down how I did it so the number was very shady... We waved a small soldering iron in front of it, starting at low temperature (~150 deg F). The box would trip when the soldering iron was waved at half a centimeter away from the sensor. Keep in mind that the sensor is mounted at ~2.5 inches away from the center of the viewport with a small angle (the sensor is looking straight down while the optical window is about 0.6 cm deep under the viewport cover. So, the sensor must be able to trip when seeing a heat source at 2.5" away with ~22 deg viewing angle. We did a quick test by waving the soldering iron in front of the sensor with several temperature settings at several distances (At this point the potentiometer was about a quarter turn away from the room temperature tripping point. It's a 10-turn pot!). 800 deg F setting tripped the box at ~3" away, 600 deg F and 500 deg F tripped the box when waved at ~2" away. But these temperatures are impractical settings. At 800 deg F, 3" away we were able to make the box trip when placed the soldering iron rounghly 1cm above the sensor's viewing axis. This gives as a viewing angle of ~8deg, about a factor of 3 less than what's required. We did the same test with the sensor that was mounted on the TCSY viewport. The results were similar (400F, 500F soldering iron didn't trip the sensor when places at the center of the viewport but tripped the sensor when moved to the edge of the viewport. 600F at the center of the viewport did trip the sensor.)

To confirm the temperature of the soldering iron we used to do this test, we used Richard's FLIR camera and a thermocouple. Turns out the actual temperature of a certain spot on the soldering iron we pointed the IR sensor to was lower than the display. The thermocouple measured 304 F when display reads 350F, 630 F when reads 700F, and 750F when reads 850F.

Conclusion: The sensor unit isn't doing what's it supposed to do and we should rethink about installing them without an improvement to the comparator box circuit. Note that we were only using half a turn out of 10 turns available on the pot to set up this test. There's no way to fine tune this thing to where we want it to trip!

FMCS EPICS channels added

WP5631. John, Bubba, Patrick, Dave

The FMCS to EPICS system was modified to add the corner station control average temperature channel. Both the raw channel (in degF) and the degC channels were added to the IOC. The new channel names are:

H0:FMC-LVEA_CONTROL_AVTEMP_DEGF

H0:FMC-LVEA_CONTROL_AVTEMP_DEGC

These channels were added to the DAQ for trending by modifying H0EDCU_FMCS.ini

Beckhoff Vacuum Gauge channels added to EX and EY.

Patrick, Dave:

Please see Patrick's alog for full details. After the Beckhoff changes were made, the ini files were generated and copied into the DAQ chans area.

DAQ restart

Jim, Dave:

To apply the Beckhoff and FMCS changes the daq was restarted at 12:32PST. This was a very messy start and took about 25 minutes to get the DAQ back. The main issue was the monit system on h1dc0 was trying too rapidy to start the data concentrator, resulting in duplicate ini and par files in the running configuration directory. In the end we started the data concentrator manually to get the system running. We will investigate the monit settings offline.

DIAG_MAIN guardian has code change, found error and fixed it

Jeff, Dave

After the long h1nds0 downtime, Jeff was getting the guardian nodes which use NDS back by reloading them. The DIAG_MAIN node would not run, giving an error saying float and int datatypes cannot be bitwise-anded. I found the error in DIAG_MAIN.py and fixed it by casting the ezca to an INT before bitwise AND. We tested the new code by stopping and restarting the CW hw-inj. The operator saw the message on Guardian MEDM and the verbal system announced the error every second.

h1lsc stuck testpoint cleared

Dave:

we had a stuck testpoint on h1lsc for some while, I cleared them.

Test change of filter module on h1pemmx

Dave:

To test the robot updates of filter files to daqsvn, I made a blank-line change to H1PEMMX.txt and loaded it on the front end.

Last Tuesday (24th Nov) Jim and I modified the monit on h1hwinj1 machine such that when it restarts the psinject process it smoothly ramps the excitation amplitude over a time period of 10 seconds. We manually started the new system on Tuesday and since then there have been no crashes of psinject until the last 24 hours. There have been 4 stops (with subsequent automatic restarts) in the past 24 hours, each stop was logged as being due to the error:

SIStrAppend() error adding data to stream: Block time is already past

Here are the start and crash times (all times PST). Monit automatic restarts are maked with an asterix