A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.072473858897549  9.996788394710467  -0.0  -0.0  # for region 1
  9.4606830233853  9.378690437182629  -0.0  -0.0  # for region 2
  8.297019011508908  8.221333547321827  -0.0  -0.0  # for region 3
  5.950769621709354  5.875084157522272  -0.0  -0.0  # for region 4
  5.771016644265034  5.739481034187082  -0.0  -0.0  # for region 5
