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Reports until 22:08, Sunday 17 November 2024
H1 General
anthony.sanchez@LIGO.ORG - posted 22:08, Sunday 17 November 2024 (81324)
Sunday Ops Day Shift End

TITLE: 11/18 Eve Shift: 0030-0600 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Lock Acquisition
OUTGOING OPERATOR: Ibrahim
CURRENT ENVIRONMENT:
    SEI_ENV state: CALM
    Wind: 20mph Gusts, 13mph 3min avg
    Primary useism: 0.05 μm/s
    Secondary useism: 0.42 μm/s
QUICK SUMMARY:

I ran an Initial_Alignment early on and had the IMC unlock during the SRC_ ALIGN Section. The asc signals looked real strange, so I turned off the ISS and did a Manual_Initial_Alignment.

but....

Between the increasing Sencondary microSeism , the 30-40+  mph wind gusts, and the IMC issues have made locking for the past 2 shifts very diffucult.
I tried using the SEI_CONF MORE_WINDY early on to see if I could get locked. But as the rising micro seism made this increasingly less like to be successful.
I held in IDLE for an hour waiting for the wind to get below the 30 mph mark and tried to lock a number of times.  Getting no Futher than LOWNOISE_ESD_ETMX

I took some time to do another Initial Alignment, and didn't get H1all the way locked.

So , Good luck to TJ and H1 Manni.

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