A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.076291286507038  7.912305676628722  -0.0  -0.0  # for region 1
  7.760033324598858  7.484771765160256  -0.0  -0.0  # for region 2
  7.227080092494332  7.09823425616137  -0.0  -0.0  # for region 3
  2.576916726659243  2.4012178589324766  -0.0  -0.0  # for region 4
  2.2723720225995145  2.125956299493876  -0.0  -0.0  # for region 5