A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.053662590122064  7.9243903174074255  -0.0  -0.0  # for region 1
  6.993629953862018  6.83850322660445  -0.0  -0.0  # for region 2
  3.9428043177965164  3.813532045081877  -0.0  -0.0  # for region 3
  3.451569681480885  3.2576612724089253  -0.0  -0.0  # for region 4
  2.7147177270074376  2.5337365452069416  -0.0  -0.0  # for region 5