SLAC Magnetic Measurements Date: 09-02-2026 Time: 13:39:33 Project: LCLS-II Device Type: Undulator Data Type: Serial Number: HXU_REFERENCE DATASET Number: 0 Tuning Stage: Tuning Run Number: 1 Measurement Type: Align Y Scan Operator: YL Comment: alignment; Pole number Z position Center Field 0 1 1.547000 -0.026403 1.153012 1 6 1.622000 -0.026448 -1.231483 2 11 1.697000 -0.026470 1.226832 3 16 1.772000 -0.026484 -1.220631 4 21 1.847000 -0.026479 1.232815 5 26 1.922000 -0.026476 -1.229100 6 31 1.997000 -0.026498 1.229749 7 36 2.072000 -0.026470 -1.214534 8 41 2.147000 -0.026524 1.227995 9 46 2.222000 -0.026475 -1.232314 10 51 2.297000 -0.026501 1.229551 11 56 2.372000 -0.026478 -1.227566 12 61 2.447000 -0.026508 1.227492 13 66 2.522000 -0.026469 -1.228901 14 71 2.597000 -0.026499 1.230496 15 76 2.672000 -0.026485 -1.228320 16 81 2.747000 -0.026461 1.233412 17 86 2.822000 -0.026495 -1.234244 18 91 2.897000 -0.026518 1.230967 19 96 2.972000 -0.026473 -1.224919 20 101 3.047000 -0.026509 1.234283 21 106 3.122000 -0.026508 -1.224933 22 111 3.197000 -0.026491 1.228730 23 116 3.272000 -0.026468 -1.231188 24 121 3.347000 -0.026474 1.230947 25 126 3.422000 -0.026488 -1.228571 26 131 3.497000 -0.026507 1.234436 27 136 3.572000 -0.026477 -1.217538 28 141 3.647000 -0.026503 1.237264 29 146 3.722000 -0.026491 -1.230871 30 151 3.797000 -0.026507 1.227845 31 156 3.872000 -0.026508 -1.229096 32 161 3.947000 -0.026515 1.232733 33 166 4.022000 -0.026540 -1.224716 34 171 4.097000 -0.026537 1.229662 35 176 4.172000 -0.026520 -1.227956 36 181 4.247000 -0.026507 1.228192 37 186 4.322000 -0.026488 -1.225648 38 191 4.397000 -0.026550 1.234238 39 196 4.472000 -0.026498 -1.230901 40 201 4.547000 -0.026479 1.227582 41 206 4.622000 -0.026485 -1.233245 42 211 4.697000 -0.026509 1.232054 43 216 4.772000 -0.026495 -1.230007 44 221 4.847000 -0.026669 1.198038 Pitch = 0.010733 Error = 0.000000