A 1.0 #regions in PPM
# low field   high field  bias        slope
  4.895916819772059  4.463924159203937  -0.0  -0.0  # for region 1
  1.1005527304949798  1.0079828746589534  -0.0  -0.0  # for region 2
  0.8022720839122282  0.5451335954788217  -0.0  -0.0  # for region 3
  -0.21599633028406143  -0.3805649628814416  -0.0  -0.0  # for region 4
