A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.045398442237936  9.963973717548527  -0.0  -0.0  # for region 1
  9.454315255603701  9.381937722546448  -0.0  -0.0  # for region 2
  8.248023037982815  8.169614043837457  -0.0  -0.0  # for region 3
  5.947020632870973  5.889721752533981  -0.0  -0.0  # for region 4
  5.7660768002278395  5.732903764243265  -0.0  -0.0  # for region 5
