A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.03328848810623  9.970395455548042  -0.0  -0.0  # for region 1
  9.445053654179647  9.374761441320496  -0.0  -0.0  # for region 2
  8.23898726512263  8.176094232564441  -0.0  -0.0  # for region 3
  7.9726167742879515  7.943020053084099  -0.0  -0.0  # for region 4
  5.997035633930752  5.897146699867747  -0.0  -0.0  # for region 5
