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IOO (IMMT)
kouseki.miyo - 18:43 Friday 24 November 2017 (3688) Print this report
Installed two DC QPDs for MCe trans

Kokeyama, Miyo

  • Following last work [klog:3663], we installed QPD behind IMMT1 as an attached image.
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keiko.kokeyama - 19:00 Friday 24 November 2017 (3691) Print this report

Attached is the first shot of the spectrum. From the shape of the spectra, there are a lot of turbulence.

There seems to be a peak in pitch at 0.05 Hz, which is unknown. There are small strange peaks in YAW from 0.1Hz t0 1Hz.

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keiko.kokeyama - 18:42 Monday 27 November 2017 (3706) Print this report

The first whitening gains (Gain=16) are turned on for MCE DC QPDA1, QPDA2. They are compensated in the digtal filters of the input filters. (There were no much effect though.)

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