A 1.0 #regions in PPM
# low field   high field  bias        slope
  4.223518716843923  4.162617221287414  -0.0  -0.0  # for region 1
  4.016453631951792  3.897695715616598  -0.0  -0.0  # for region 2
  3.6266840603901316  3.5048810692771126  -0.0  -0.0  # for region 3
  3.4287541998314763  3.2886807600515047  -0.0  -0.0  # for region 4
  3.212553890605868  3.136427021160231  -0.0  -0.0  # for region 5
  1.0079197514602296  0.8343504891241781  -0.0  -0.0  # for region 6
  0.16320676440625798  0.029377217593126437  -0.0  -0.0  # for region 7