A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.790209767977721  7.666036961273378  0.0  0.0  # for region 1
  7.404620526106341  7.3261955955562295  0.0  0.0  # for region 2
  4.123844264760018  4.019277690693204  0.0  0.0  # for region 3
  3.5912082781071764  3.550770423292275  0.0  0.0  # for region 4
  3.550770423292275  3.488275556760155  0.0  0.0  # for region 5
  3.4886840199401035  3.4204706688887048  0.0  0.0  # for region 6
  3.268113902767916  3.2521838387499247  0.0  0.0  # for region 7
  2.437708257932626  2.326606272986635  0.0  0.0  # for region 8
