BL vs X Errors for Errors for run 1
   Meas #   Current    Field    Relative Error    Max Error Level 
     1     -10.000     0.0005        0.014          0.0003    
     2       0.000     0.0005       0.0028          0.0003    
     3      10.000     0.0005       0.0074          0.0003