Reports until 11:37, Tuesday 06 November 2018
H1 CAL (DetChar, ISC)
jeffrey.kissel@LIGO.ORG - posted 11:37, Tuesday 06 November 2018 (45051)
Channels for Individual OMC DCPDs calibrated into DELTAL units now stored at 16 kHz
J. Kissel
IIET 11758

In order to facilitate investigations for cross-correlated noise between the two OMC DCPDs (i.e. everything besides shot or dark noise of the DCPDs, e.g. LHO aLOG 35299), we have created channels that calibrate the individual OMC DCPD current into DARM DELTA L EXTERNAL units (as opposed to the astrophysically analyzed DELTAL_EXTERNAL which calibrates the sum of the two). These had previously been stored at 4096 Hz. Recent investigations about frequency noise and CARM require looking to higher frequency -- so today I've increased the data rate to 16 kHz.

Attached is a screenshot of the h1calcs model at the top level where the data storage rate for thees channels are defined. Where there used to be an explicit "4096" after the channel, there is now only the channel name, which forces the channel to be stored at the rate that the model runs -- i.e. 16 kHz.
Images attached to this report