;num z(m) imag(A) Bhall(T)
    1     0.0000    -10.1510    -0.003787
    2     0.0000     -8.1196    -0.003302
    3     0.0000     -6.0893    -0.002283
    4     0.0000     -4.0585    -0.001525
    5     0.0000     -2.0264    -0.000766
    6     0.0000      0.0049    -0.000014
    7     0.0000      2.0356     0.000749
    8     0.0000      4.0673     0.001509
    9     0.0000      6.0967     0.002265
   10     0.0000      8.1256     0.003029
   11     0.0000     10.1560     0.003791