A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.444544152519565  7.366793514909431  63140.625  1.2223639455782311  # for region 1
  2.5004072345231596  2.0997697377183044  66468.75  1.4886623475609748  # for region 2
