sheila.dwyer@LIGO.ORG - posted 13:59, Monday 13 May 2024 - last comment - 14:21, Monday 13 May 2024(77812)
angle to length decoupling may need retuning
It looks like CHARD P coherence with DARM is rather high, this might be contributing to the low range at the moment.
I've added this dtt template to userapps/isc/h1/templates/DARM_coherence_check.xml, so that operators can use it to check coherences with LSC, ASC, and jitter any time that the range is low.
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Adding to this an example of using the sqz blrms template to look at the level of the 350 Hz (yellow BLRMS 3 trace) and 1.7kHz (purple BLRMS 6 trace) now compared to a time of good range.
It looks like Ryan's running SCAN_ALIGNMENT and SCAN_SQZANG earlier today did help improve the squeezing level.
This template can be found in userapps/sqz/h1/Templates/ndscope/sqz_blrms_range_2days.yaml or from the SQZ_OVERVIEW medm screen.
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