A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.028490077122868  7.816865956473829  -0.0  -0.0  # for region 1
  6.983595981418244  6.732292338147511  -0.0  -0.0  # for region 2
  3.9811787697100214  3.756328141520419  -0.0  -0.0  # for region 3
  3.465344975627992  3.1479087946544353  -0.0  -0.0  # for region 4
  2.7511135684374897  2.4336773874639333  -0.0  -0.0  # for region 5