A 1.0 #regions in PPM
# low field   high field  bias        slope
  9.142864769690158  9.048270864392926  -0.0  -0.0  # for region 1
  8.386113527312302  8.304253416958929  -0.0  -0.0  # for region 2
  8.231488874422595  8.15326699119604  -0.0  -0.0  # for region 3
  8.07686422153289  8.002280565433148  -0.0  -0.0  # for region 4
  7.715524906262521  7.660065139731903  -0.0  -0.0  # for region 5
  7.660065139731903  7.591685768498128  -0.0  -0.0  # for region 6
