A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.99582890393041  8.463024653671177  0.0  0.0  # for region 1
  8.144293539676816  7.844591148905999  0.0  0.0  # for region 2
  7.654303916670559  7.4782882268527775  0.0  0.0  # for region 3
  7.415527541869606  7.331763647866038  0.0  0.0  # for region 4
  7.331763647866038  7.167004914206127  0.0  0.0  # for region 5
  6.807525733222852  6.6790818514639305  0.0  0.0  # for region 6
  6.564909512122667  6.455494353587289  0.0  0.0  # for region 7
  6.355593556663684  5.989290634610462  0.0  0.0  # for region 8
