A 1.0 #regions in PPM
# low field   high field  bias        slope
  6.905595452006816  6.869167130649298  -0.0  -0.0  # for region 1
  6.857246689341227  6.754503430864565  -0.0  -0.0  # for region 2
  6.033539064204073  5.260523243998227  -0.0  -0.0  # for region 3
  4.2367197647539685  4.204193494100026  -0.0  -0.0  # for region 4
  2.1132445474458526  2.0630487149649532  -0.0  -0.0  # for region 5
