Undulator #2 (After probe re-calibration) Magnet Magnet# Calibration Measurement TB-MA (TB to magnetic axis) name x y x y x y UPM PM2 0.091325 0.091379 0.029931 0.000292 0.091786 0.091464 DPM PM3 0.0913 0.091388 0.029793 0.000203 0.091623 0.091384 URM PM4 0.091511 0.091469 0.077518 0.000055 0.139559 0.091317 DRM PM1 0.091438 0.091416 0.077804 0.000174 0.139772 0.091383 UPM-Upstream PM DPM-Downstream PM URM-Upstream Reference Magnet DRM-Downstream Reference magnet Hall Probe x y 0.02947 0.000207 Differences in coordinates ?X(mm) ?Y(mm) UPM-DPM 0.163 0.08 UPM-URM -47.773 0.147 DPM-DRM -48.149 0.001 URM-DRM -0.213 -0.066 Optical measurements (UPM-DPM) X Y ?X(mm) ?Y(mm) UPM -47.9 0.13 0.18 0.1 DPM -48.08 0.03 Probe -139.57 Block -111.84 Keyence Probe 11.151 Block -11.353 Probe X Y (to URM) -139.559 -111.821