A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.7106371123104145  7.646001594110574  -0.0  -0.0  # for region 1
  6.908396268771211  6.862771197100736  -0.0  -0.0  # for region 2
  6.862771197100736  6.7791252323715305  -0.0  -0.0  # for region 3
  3.4256824645915582  3.250786356521401  -0.0  -0.0  # for region 4
  2.4713580488174394  2.342087012417758  -0.0  -0.0  # for region 5