A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.94262310711315  7.803766059785996  -0.0  -0.0  # for region 1
  7.803766059785996  7.6649090124588435  -0.0  -0.0  # for region 2
  7.576040502169465  7.287217843728987  -0.0  -0.0  # for region 3
  2.5994039259643036  2.5438611070334423  -0.0  -0.0  # for region 4