TITLE: 11/03 Eve Shift: 0030-0600 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Microseism
INCOMING OPERATOR: Oli
SHIFT SUMMARY: The lockloss tool does not seem to be working. I was able to lock DRMI and PRMI a few times tonight, I got as high as MAX_POWER. We are in DRMI with the flashes looking decent at the end of the shift.
LOG: No log.

03:00 UTC IA

DRMI locked within 30 seconds now

04:01 UTC lockloss at MAX_POWER, after it had finished the state

04:27 UTC DRMI_LOCKED_CHECK_ASC lockloss

TITLE: 11/03 Day Shift: 1530-0030 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Microseism
INCOMING OPERATOR: Ryan C
CURRENT ENVIRONMENT:
    SEI_ENV state: USEISM
    Wind: 4mph Gusts, 2mph 3min avg
    Primary useism: 0.04 μm/s
    Secondary useism: 0.72 μm/s 
QUICK SUMMARY:
Once again microseism has been elevated all day. There was a very slight drop in the microsiesm earlier in the day where I was able to get up to locklock loss from Check_AS_SHUTTERS @ 19:49 UTC. 
Since then I have gotten past DRMI only once. 
LOG:
No log

Robert, Tony

My beating shaker data from Thursday commissioning was ruined by large scattering glitches in DARM. We also saw these glitches on Friday. I found that they were coincident with brief seismic and microphone signals (Figure 1). The coupling site has to be EX because the signals appear in DARM before they reach any other station (Figure 2). I was able to determine that they could be coming from the direction of one crater-marked site on the east side of YTC, but not a more central location that Tony and I had found. The propagation velocity of the 5-20Hz signal is the same for both seismic and acoustic sensors and about 337 m/s indicating that the dominant propagation is through the air not the ground, though it couples to the ground locally. The linear attenuation in the ground at these frequencies is much greater than it is in the air.

The scattering noise produced at EX in DARM has harmonics of about 10 Hz (Figure 1, page 2). This is about the frequency of one of the worst resonances of the cryobaffles (9.7 Hz here: 56857 ). This is a reminder that we did not reduce the light reflected back into the interferometer from the cryobaffles, we just reduced their usual velocity by damping them. The explosions apparently kick the EX one pretty hard. It would be interesting if Detchar could keep track of the YTC glitches and also see if they ever knock us out of lock.

TITLE: 11/02 Eve Shift: 0030-0600 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Microseism
OUTGOING OPERATOR: Tony
CURRENT ENVIRONMENT:
    SEI_ENV state: SEISMON_ALERT_USEISM
    Wind: 3mph Gusts, 1mph 3min avg
    Primary useism: 0.04 μm/s
    Secondary useism: 0.77 μm/s, 3 min avg of 1.036 μm/s from a script I have going
QUICK SUMMARY:

• The secondary microseism has decreased a slight bit but its still quite high, over the 90th percentile
  • Locking is still a struggle
• The wind is low

Sun Nov 02 10:11:30 2025 INFO: Fill completed in 11min 26secs

TITLE: 11/02 Day Shift: 1530-0030 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Lock Acquisition
OUTGOING OPERATOR: Oli
CURRENT ENVIRONMENT:
    SEI_ENV state: USEISM
    Wind: 7mph Gusts, 5mph 3min avg
    Primary useism: 0.05 μm/s
    Secondary useism: 0.59 μm/s 
QUICK SUMMARY:

Walking in to the Control Room, H1 was locking DRMI _1F. 
I took the Observing mode back to Microseism after taking control of H1.

H1 has been unlocked for atleast the past 24 hours.
Oli's owl shift was looking pretty rough last night.

But the 2ndairy useism looks to have fallen over the last 12 hours AND the wind forecast is looking great. 
So there is some hope we can get locked today!
 

Got called again because we can't get past OFFLOAD_DRMI_ASC due to excessively high secondary microseism. We've had three DRMI catches in the last hour, all three of which died before finishing offloading DRMI ASC. Locklosses were from TRANSITION_DRMI_TO_3F, TURN_ON_BS_STAGE2, and DRMI_LOCKED_CHECK_ASC. It definitely looks like the issue is the high secondary microseism. The secondary microseism isn't as bad as it was earlier today, but it's still pretty high (nuc5). Looking at the secondary microseism channels in the Z direction (since that's where it's moving us the most), it looks like the level of microseism that we're seeing right now is the level that we last lost lock at (although we didn't lose lock because of the high microseism - there was some weird wiggle).

So since the secondary microseism looks to be heading downward, if this current DRMI can't catch and we lose lock, I'm going to put the detector in DOWN for now and come back in a couple hours to try again. Hopefully by then the secondary microseism will have gone down a bit further and we'll be able to lock.

Got called 6 minutes into my OWL shift due to the BSC2 ST2 ISI stages tripping during MICH_BRIGHT_LOCKED (in INITAL_ALIGNMENT). The rest of the inital alignment finished fine, so we're attempting to lock now, although I know the very high microseism has been making that really hard today.

TITLE: 11/02 Eve Shift: 2330-0500 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Microseism
INCOMING OPERATOR: Oli
SHIFT SUMMARY: The secondary microseism is at about the same level as the start of the shift but the wind is much lower. We have not been able to lock DRMI or PRMI for more than a few seconds this shift. The alignment keeps running away, we get stuck in a loop of PRMI to CHECK_MICH. I also adjusted the SQZ SHG_FIBR_REJ power while we we're trying to get DRMI.
LOG: No log.

00:02 UTC IA

After going into CHECK_MICH then back to PRMI it looks worse

02:08 UTC IA

04:50 UTC IA

TITLE: 11/01 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Microseism
INCOMING OPERATOR: Ryan C
SHIFT SUMMARY:
H1 has been locked and Observing for 0 hours all day due to High microseism & High wind speeds.
Microseism seems to be slowly coming down.
No calibration was done today.
LOG:
No Log

FAMIS 27401 PSL Status Report - Weekly
Laser Status:
    NPRO output power is 1.836W
    AMP1 output power is 70.51W
    AMP2 output power is 139.2W
    NPRO watchdog is GREEN
    AMP1 watchdog is GREEN
    AMP2 watchdog is GREEN
    PDWD watchdog is GREEN

PMC:
    It has been locked 2 days, 1 hr 40 minutes
    Reflected power = 24.68W
    Transmitted power = 107.0W
    PowerSum = 131.7W

FSS:
    It has been locked for 0 days 0 hr and 42 min
    TPD[V] = 0.5318V

ISS:
    The diffracted power is around 3.4%
    Last saturation event was 0 days 4 hours and 37 minutes ago

Possible Issues:
    PMC reflected power is high

TITLE: 11/01 Eve Shift: 2330-0500 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Microseism
OUTGOING OPERATOR: Tony
CURRENT ENVIRONMENT:
    SEI_ENV state: USEISM
    Wind: 24mph Gusts, 16mph 3min avg
    Primary useism: 0.08 μm/s
    Secondary useism: 0.83 μm/s 
QUICK SUMMARY:

• We haven't been able to relock following the earlier lockloss
• Secondary microseism is very high, the wind is high as well

TITLE: 11/01 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Microseism
CURRENT ENVIRONMENT:
    SEI_ENV state: USEISM
    Wind: 39mph Gusts, 30mph 3min avg
    Primary useism: 0.11 μm/s
    Secondary useism: 0.77 μm/s 
QUICK SUMMARY:

No calibration was done due to, being unlocked.
H1 hasn't been able to get past DRMI all morning.
Secondard microseism has fallen a little bit.... but the wind has picked up the slack. :(
The wind's forcast is not looking great either.

Sat Nov 01 10:08:48 2025 INFO: Fill completed in 8min 44secs

TITLE: 11/01 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Lock Acquisition
OUTGOING OPERATOR: Ryan S
CURRENT ENVIRONMENT:
    SEI_ENV state: USEISM
    Wind: 3mph Gusts, 1mph 3min avg
    Primary useism: 0.07 μm/s
    Secondary useism: 0.87 μm/s 
QUICK SUMMARY:

Walking in H1 was unlocked and had been for a while.
Looks like it was a H1 called the Ryan S and gave him a  rough 2ndairy useism night for the Owl Shift last night.

I took OPS_Observatory mode back to Microseism since the useism is still elevated unfortunately. I was however able to lock DRMI for a short stint before a lock loss. 
We have a 28ft waves in the Gulf of Alaska, and 17ft waves off the coast of WA. Let's see what sort of locking we can do. 
But on the bright side.... the STS BLRMS dont look as bad, the wind is low, and I can get DRMI to lock! Maybe we can get locked and stay locked throughout this. 
 

H1 called for assistance at 08:20 UTC as it was struggling to relock. Understandable, as the secondary microseism has been rising today and is now to the point where all STS BLRMS are well into the red. After 90 minutes, I finally got H1 to lock DRMI despite good-looking alignment, but it fell apart as it was checking ASC. I'll keep at it for a while, but if the microseism doesn't improve, I may leave H1 down for the night.

TITLE: 11/01 Eve Shift: 2330-0500 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Observing at 151Mpc
INCOMING OPERATOR: Ryan S
SHIFT SUMMARY: One lockloss with an easy relock, I've left damping off for EX mode1. We've been locked for just over 2 hours.
LOG:

01:29 UTC lockloss

03:41 While in ADS_TO_CAMERAs I saw the 1Hz start so I brought us to ASC Hi Gn and sat for a few minutes before reverting, I slowly stepped through states above LASER_NOISE

03:48 UTC Observing

04:20 UTC The DARM fom started to timeout and lose connection and would stop displaying the data periodically

04:55 UTC Restarted NUC25 to try to revive pimon which I noticed was not running, running just the launch.sh gave an error for it. (The restart did not work either)