FCL (Air)nobuhiro.kimura - 15:38 Wednesday 18 December 2024 (32040)
Print this reportTurned off the air compressor at center area on Dec. 18
2024/12/18 [Kimura] I turned off the air compressor at center area at 15:20 on Dec. 18.
Comments to this report:
shoichi.oshino - 11:34 Friday 20 December 2024 (32061)
Print this reportThe periodic noise around 55 Hz that had appeared on the strain channel disappeared when the air compressor was stopped. https://gwdet.icrr.u-tokyo.ac.jp/~controls/summary/day/20241218/lock/strain/#gallery-4 This noise also disappeared from the seismometers, microphones, and accelerometers on the optical tables in the center area. https://gwdet.icrr.u-tokyo.ac.jp/~controls/summary/day/20241218/pem/x/#gallery-4