A 1.0 #regions in PPM
# low field   high field  bias        slope
  11.42630580994048  11.145139023093005  -0.0  -0.0  # for region 1
  7.614933810452473  7.513401359646441  -0.0  -0.0  # for region 2
  7.34938740065208  7.208804007228341  -0.0  -0.0  # for region 3
  7.1385123105164725  7.04479004823398  -0.0  -0.0  # for region 4
  3.5614459667346954  3.4833440814992853  -0.0  -0.0  # for region 5
  1.7104312866554785  1.5464173276611177  -0.0  -0.0  # for region 6