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MIF (General)
takaaki.yokozawa - 8:28 Friday 20 September 2019 (10632) Print this report
Morning silent run 2019/09/20

Morning silent run with Xarm lock (K1:GRDLSC_SRFPMI_LOCK_STATE_N=44)

5:20 Start Xarm cavity lock run with feed forward of the starinmeter(ETMX) and no seismometer sensor correction IP(ITMX, ETMX)

6:20 Turned off the feed forward of the starinmeter(ETMX)

6:21 Start Xarm cavity lock run without any sensor correction IP(ITMX, ETMX)

7:16 Start PCal line injection

7:20 Start Xarm cavity lock run with feed forward of the strainmeter(ETMX) and with seismometer sensor correction IP(ITMX, ETMX)

8:20 Turned off the feed forward of the strainmeter(ETMX)

8:22 Start Xarm cavity lock run with seismometer sensor correction IP(ITMX, ETMX), no strainmeter feed forward.

9:20 Start Xarm cavity lock run with feed forward of the strainmeter(ETMX) and with seismometer sensor correction IP(ITMX, ETMX)

12:10 Stop the run

Fig.2 shows the spectrum for the strainmeter SC and strainmeter+seismometer SC

If you notice someting, please call to Yokozawa

Images attached to this report
Comments to this report:
yoshinori.fujii - 10:26 Friday 20 September 2019 (10634) Print this report

Could you please add the information about the followings?:

  • Were the loops for BF-L/T on? (I think they were on though)
  • what is the difference between the run from 7:20 and the one from 9:20?
  • Why the configuration of "with feed forward of the strainmeter(ETMX) and with seismometer sensor correction IP(ITMX, ETMX)" prefered with the current correction filters?
  • I'm coming to you later!
takaaki.yokozawa - 12:02 Friday 20 September 2019 (10636) Print this report
  • Were the loops for BF-L/T on? (I think they were on though)

No, in morning run, no SC to the BF.

  • what is the difference between the run from 7:20 and the one from 9:20?

Same configuration, but we can take the additional run.

  • Why the configuration of "with feed forward of the strainmeter(ETMX) and with seismometer sensor correction IP(ITMX, ETMX)" prefered with the current correction filters?

I didn't investigate the result of the spectrum.

  • I'm coming to you later!

OK!

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