corey.gray@LIGO.ORG - posted 08:07, Saturday 14 December 2024 (81823)
H1 Taken Out of OBSERVING due CW Calibration Gain Change at 1542utc
At 1542utc (742am local), H1 was dropped out of OBSERVING due to the gain for H1:CAL-INJ_CW_GAIN going to 0. I reverted to 1 and returned H1 to OBSERVING within 2min. (and then we had a lockloss 15min later) :(