Undulator #2 Magnet Magnet# Calibration Measurement TB-MA (TB to magnetic axis) name x y x y x y UPM PM2 0.091325 0.091379 0.03073 0.000735 0.091255 0.091575 DPM PM3 0.0913 0.091388 0.030808 0.000643 0.091308 0.091492 URM PM4 0.091511 0.091469 0.054262 0.00056 0.114973 0.09149 DRM PM1 0.091438 0.091416 0.054386 0.000517 0.115024 0.091394 UPM-Upstream PM DPM-Downstream PM URM-Upstream Reference Magnet DRM-Downstream Reference magnet Hall Probe x y 0.0308 0.000539 Differences in coordinates ?X(mm) ?Y(mm) UPM-DPM -0.053 0.083 UPM-URM -23.718 0.085 DPM-DRM -23.716 0.098 URM-DRM -0.051 0.096 Optical measurements (UPM-DPM) X Y ?X(mm) ?Y(mm) UPM -23.72 0.08 -0.12 0.08 DPM -23.6 0 Probe -114.81 -111.81 Keyence Probe -11.389 Block 10.971 Probe X Y (to URM) -114.973 -111.829