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User name jpchen
Log entry time 09:43:28 on February 8,1999
Entry number 12959
keyword=target half wave plate in, field in 242.5 degree
9:20 Rotated field to 242.5 degree, Haiyan put in half wave plate.
9:25 turned on lasers # 128, 134 and 135 (note 135 replaced #127).