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AdV-ISC (Parametric instabilities)
michimura, hardwick - 17:14 Tuesday 12 June 2018 (41807) Print this report
Comment to Mirror mode identification with temp change (41794)

We've updated Bas's drum mode tracker to the new frequencies (which shifted with the monolithic suspension install). We've also added 9.6 kHz modes.

Channels are:

  • V1:PAY_DRUM#_AMPL and V1:PAY_DRUM#_FREQ where # = 1,2,3, or 4 in order of increasing frequency.
  • V1:PAY_9pt6kHz#_AMPL and FREQ, where # = 1 - 8

These channels are available on MoniUsers starting 1212850711 (for Drum; 9pt6 came a few minutes later), at which time old channels (TCS_ETALON_XX_DRUM# and _WE_DRUM#) became unavailable.

Code available at /virgoDev/Automation/PyALP/PySpectral/algo.py.

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