A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.797579706957289  7.732776212106389  -0.0  -0.0  # for region 1
  7.654747514224693  7.571428735130678  -0.0  -0.0  # for region 2
  7.526463044825972  7.4563694687627535  -0.0  -0.0  # for region 3
  7.431241583004241  7.33734264148559  -0.0  -0.0  # for region 4
  5.136668857161145  5.013674468974743  -0.0  -0.0  # for region 5
  3.703793111135057  3.6478920301262825  -0.0  -0.0  # for region 6
  3.4104279339402503  3.306941635213264  -0.0  -0.0  # for region 7
  1.319007068775429  1.2550810395940672  -0.0  -0.0  # for region 8