A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.802003516801113  8.76508603564015  -0.0  -0.0  # for region 1
  8.103074254821527  8.046759453050568  -0.0  -0.0  # for region 2
  7.501577446555405  7.455518014830424  -0.0  -0.0  # for region 3
  7.421208438137326  7.274570247339425  -0.0  -0.0  # for region 4
  5.807718345159147  5.6681300673803765  -0.0  -0.0  # for region 5
  5.29307469476267  5.149256469172422  -0.0  -0.0  # for region 6
  4.995568365355392  4.961258788662293  -0.0  -0.0  # for region 7
  4.9410490380074545  4.9100294207232835  -0.0  -0.0  # for region 8
  4.905799472911805  4.880889780244213  -0.0  -0.0  # for region 9
  3.9503012617190767  3.894841945968589  -0.0  -0.0  # for region 10
  3.2218102497423287  3.12123149066941  -0.0  -0.0  # for region 11
  3.1170015428579316  3.024882679407969  -0.0  -0.0  # for region 12
  2.9684833752549302  2.9398137289771356  -0.0  -0.0  # for region 13
  2.89516427985598  2.8655546451756346  -0.0  -0.0  # for region 14
  2.778135723738425  2.5671083273658057  -0.0  -0.0  # for region 15