BL Field vs Current Errors for Run 3 LCLS-II Septa 4586
   Meas #   Current    Field    Relative Error    Max Error Level 
     4      -1.502    -0.0010      -0.0023           0.002    
     5      -2.002    -0.0002      -0.0082           0.002    
     6      -2.502     0.0006         0.01           0.002    
    20      -2.502     0.0010       0.0037           0.002    
    21      -2.002     0.0003        0.014           0.002    
    22      -1.502    -0.0005       -0.013           0.002