A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.385219887568743  7.2306585885518935  -0.0  -0.0  # for region 1
  3.5834918478193045  3.5385259513277445  -0.0  -0.0  # for region 2
  2.17692881529344  2.072343267227741  -0.0  -0.0  # for region 3
  1.9445164862585531  1.8941604816343276  -0.0  -0.0  # for region 4
  1.7334086207185309  1.5009962916836441  -0.0  -0.0  # for region 5
  1.2685839626487572  1.2143544192072837  -0.0  -0.0  # for region 6