A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.103597769758393  8.063456108979404  0.0  0.0  # for region 1
  8.063456108979404  8.00324361781092  0.0  0.0  # for region 2
  7.039843759115186  6.929454191972966  0.0  0.0  # for region 3
  6.056373070029957  5.981107456069353  0.0  0.0  # for region 4
  5.569655433084716  5.494389819124112  0.0  0.0  # for region 5
  5.278628392437048  5.097990918931597  0.0  0.0  # for region 6
  4.50590142244151  4.365405609715049  0.0  0.0  # for region 7
  3.9338827563409176  3.7231390372512254  0.0  0.0  # for region 8
  3.542501563745775  3.371899505435072  0.0  0.0  # for region 9
  2.538960044271051  2.3382517403761067  0.0  0.0  # for region 10
  1.0436831802537123  0.8028332155797787  0.0  0.0  # for region 11
  0.11038956714221962  0.030106245584241714  0.0  0.0  # for region 12
