SLAC Magnetic Measurements Date: 10-19-2007 Time: 14:42:12 Project: LCLS Device Type: Undulator Data Type: Serial Number: L143-112000-39 DATASET Number: 1 Tuning Stage: Rough Tuning Run Number: 58 Measurement Type: Z Scans Operator: aww Comment: x= 0.026179 After Gap shim. 5 z-scans for center finding