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Reports until 04:03, Monday 27 October 2025
H1 SQZ (SQZ)
anthony.sanchez@LIGO.ORG - posted 04:03, Monday 27 October 2025 - last comment - 10:30, Monday 27 October 2025(87760)
Incoherent Ramblings from the AM

At [?] in the morning H1 was Found Locked but SQZ_Man was upset.
SQZ_Man stuck in loop from Beam Div_Open_FRS ->FC_WAIT _FS. 

SHG H1:SQZ-SHG_TEC_SETTEMP was adjusted down to maximixe H1:SQZ-SHG_GR_DC_POWERMON

still stuck in loop

Ran the noconda python switch_nom_sqz_states.py without script
....UH.... Broke all the SQZr Gaurdians.... Ooops
Ran the noconda python switch_nom_sqz_states.py with script
Taking SQZ_man to no_squeezing
Ran the noconda python switch_nom_sqz_states.py without script.... again
Nothing broke !!! But Still cannot get to observing.
Had to manually take SQZ_ SHG to Down. 
Back to Observing. Range only at 133 Mpc

 

Comments related to this report
sheila.dwyer@LIGO.ORG - 10:30, Monday 27 October 2025 (87765)

The problem was that the OPO pump ISS was running out of range, as the OPO reflected power has slowly been increasing since our last crystal move.  I've adjusted the wave plate on SQZT0 to allow more green power to be launched, this now gives a control mon of about 5 when the OPO transmission is 80 uW.  

 

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