A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.327112798944897  7.119068097496362  0.0  0.0  # for region 1
  3.9184248780987887  3.8443848731347128  0.0  0.0  # for region 2
  3.495067926637534  3.4248248450049488  0.0  0.0  # for region 3
  3.4248248450049488  3.3602771483696006  0.0  0.0  # for region 4
  3.290034066737016  3.179923290123775  0.0  0.0  # for region 5
  2.9483109669028194  2.838200190289578  0.0  0.0  # for region 6
  2.500274013786872  2.4186401621598144  0.0  0.0  # for region 7
  0.9382929864079667  0.8954895283354289  0.0  0.0  # for region 8
