Mechanical to Magnetic Center Offsets.  These are the distances the stages moved from the mechanical center to the magnetic center. 
  Axis        Offset                   B Field 
               (mm)                      (G)
X	         0.0074		         0.03 +/- 0.02
Y             0.0418   	        -0.03 +/- 0.02
Z	         0.0204		        -0.07 +/- 0.02