SLAC Magnetic Measurements Date: 11-20-2017 Time: 14:06:47 Project: LCLS-II Device Type: Undulator Data Type: Serial Number: SXU_004 DATASET Number: 1 Tuning Stage: Tuning Run Number: 31 Measurement Type: Long Coil Scans Operator: YL Comment: Check second By integral; Rotor #12 to 90 deg