A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.830869  7.477495  0.0  0.0  # for region 1
  7.439522  7.136047  0.0  0.0  # for region 2
  7.029972  6.529726  0.0  0.0  # for region 3
  6.529412  6.17447  0.0  0.0  # for region 4
  6.174156  4.127351  0.0  0.0  # for region 5
  3.591328  3.004778  0.0  0.0  # for region 6
  3.004464  2.684043  0.0  0.0  # for region 7
  2.635713  1.762008  0.0  0.0  # for region 8
  1.526948  1.102649  0.0  0.0  # for region 9
  1.102335  0.339726  0.0  0.0  # for region 10