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Reports until 17:52, Thursday 20 August 2015
H1 ISC (CAL)
evan.hall@LIGO.ORG - posted 17:52, Thursday 20 August 2015 - last comment - 18:06, Thursday 20 August 2015(20724)
EY UIM/PUM crossover increased

Jeff, Kiwamu, Evan

We increased the EY UIM filter from 0.3 ct/ct to 0.6 ct/ct in order to relieve the rms drive of the PUM.

Before, the PUM drive was about 8000 ct rms per coil, and the UIM drive was about 1000 ct rms per coil. Now, the PUM drive is about 3000 ct rms per coil and the UIM drive is about 1500 ct rms per coil.

Comments related to this report
jeffrey.kissel@LIGO.ORG - 18:06, Thursday 20 August 2015 (20726)
Link 

This puts the UIM / PUM crossover roughly at 1 [Hz], but we did not save a quantitative measurement to prove this. We will.
Displaying report 1-1 of 1.