A 1.0 #regions in PPM
# low field   high field  bias        slope
  4.617437245919067  4.443062727568649  0.0  0.0  # for region 1
  4.229163318392136  4.068738761509752  0.0  0.0  # for region 2
  2.7434924220465757  2.6202677624122805  0.0  0.0  # for region 3
