A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.282764236239467  8.221065323564531  -0.0  -0.0  # for region 1
  7.974269672864784  7.915089083156171  -0.0  -0.0  # for region 2
  7.915089083156171  7.878573400144474  -0.0  -0.0  # for region 3
  7.877314238661312  7.829466102301157  -0.0  -0.0  # for region 4
  7.804282872637917  7.7513980903451145  -0.0  -0.0  # for region 5
  7.623067586524503  7.556389787617981  -0.0  -0.0  # for region 6
  6.005657333492629  5.965185110958153  -0.0  -0.0  # for region 7
  5.755465412370409  5.7160444163952695  -0.0  -0.0  # for region 8
