BL vs X Errors for Errors for run 1
   Meas #     X       Field    Relative Error    Max Error Level 
     1      -3.0     -0.0137      -0.00082          0.0003    
     2      -1.5     -0.0072      -0.00099          0.0003    
     3       0.0     -0.0007      -0.0041          0.0003    
     4       1.5      0.0058       0.0014          0.0003    
     5       3.0      0.0123      0.00097          0.0003