A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.685353625196283  7.642603983855401  0.0  0.0  # for region 1
  7.081699206951753  7.031578937793476  0.0  0.0  # for region 2
  7.0256824355395615  6.969665664127371  0.0  0.0  # for region 3
  6.349795864684562  6.297464407181067  0.0  0.0  # for region 4
  4.956747207197177  4.922105256455427  0.0  0.0  # for region 5
  3.6794174064428593  3.6491978323915455  0.0  0.0  # for region 6