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H1 CAL
louis.dartez@LIGO.ORG - posted 18:19, Monday 01 May 2023 - last comment - 10:06, Wednesday 10 May 2023(69229)
Cal: new set of records pushed for TDCF's
E. Goetz, J. Kissel, L. Dartez

I regenerated report 20230426T224835Z using LHO's pyDARM cmd tools to produce a new set of GDS FIR filters that includes new filters for NonSens subtraction pipeline. The report also generated a new set of Cal EPICS records to clear out unused demod phase records and update the TDCF calculations. As a result of the push, KappaC has shifted from ~0.945 to ~0.99. The actuation Kappas are also much closer to 1 now as Evan updated the actuation gains in pydarm_H1.ini that inform the pyDARM EPICS channel calculations. 

The push to the front end was done with pydarm export --epics-only --push. For a list of all values submitted see pydarm_export_output.txt. We opted to *not* update the inverse sensing and actuation filters because we could not (at the time) explain why we saw that the pydarm report was producing different values than were already installed on the front end (CAL-CS filterbanks). We later realized that the new report was informed by a new sensing function measurement (2023/04/26 as opposed to 2023/04/20). We may yet want to update these CAL-CS filterbanks after all. We'll revisit this tomorrow.



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louis.dartez@LIGO.ORG - 10:06, Wednesday 10 May 2023 (69472)
The PDF attachment in the log above stopped loading for some reason. It can be accessed directly at https://ldas-jobs.ligo-wa.caltech.edu/~cal/archive/H1/reports/20230426T224835Z/H1_calibration_report_20230426T224835Z.pdf.
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