A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.042382711693884  9.966989448092578  -0.0  -0.0  # for region 1
  9.454315255603701  9.381937722546448  -0.0  -0.0  # for region 2
  8.24199157689471  8.166598313293404  -0.0  -0.0  # for region 3
  5.950036363415025  5.9048004052542415  -0.0  -0.0  # for region 4
  5.760045339139735  5.738935225331369  -0.0  -0.0  # for region 5
