SLAC Magnetic Measurements Date: 10-03-2007 Time: 08:59:43 Project: LCLS Device Type: Undulator Data Type: Serial Number: L143-112000-37 DATASET Number: 1 Tuning Stage: Rough Tuning Run Number: 66 Measurement Type: Z Scans Operator: aww Comment: 5 z-scans about y=0.000200 to find y-ctr after gap shim.