A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.03635125060578  9.97000517863663  -0.0  -0.0  # for region 1
  9.460346716691806  9.369874800370239  -0.0  -0.0  # for region 2
  8.235960115806606  8.169614043837457  -0.0  -0.0  # for region 3
  5.947020632870973  5.877658830357771  -0.0  -0.0  # for region 4
  5.760045339139735  5.735919494787317  -0.0  -0.0  # for region 5
