A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.148649610577243  10.091312607127653  -0.0  -0.0  # for region 1
  9.550706574602959  9.296785559326207  -0.0  -0.0  # for region 2
  8.221354146798864  8.18914798739189  -0.0  -0.0  # for region 3
  7.961589105688712  7.938246602672485  -0.0  -0.0  # for region 4
  6.011592315256158  5.937973651897287  -0.0  -0.0  # for region 5
