SLAC Magnetic Measurements Date: 11-21-2017 Time: 09:49:49 Project: LCLS-II Device Type: Undulator Data Type: Serial Number: SXU_004 DATASET Number: 1 Tuning Stage: Tuning Run Number: 43 Measurement Type: Long Coil Scans Operator: YL Comment: Check first integrals; Rotor# 164 +20 deg