SLAC Magnetic Measurements Date: 10-22-2007 Time: 09:00:16 Project: LCLS Device Type: Undulator Data Type: Serial Number: L143-112000-39 DATASET Number: 1 Tuning Stage: Rough Tuning Run Number: 84 Measurement Type: Z Scans Operator: aww Comment: x= 0.026172 y=0.00016137 Mu shield on.