A 1.0 #regions in PPM
# low field   high field  bias        slope
  11.41173173517522  11.156418414998418  -0.0  -0.0  # for region 1
  7.612979001635536  7.535611328854688  -0.0  -0.0  # for region 2
  7.388612750571075  7.218403870453207  -0.0  -0.0  # for region 3
  7.171983266784697  7.055931757613424  -0.0  -0.0  # for region 4
  3.5666497151971366  3.4815452751382026  -0.0  -0.0  # for region 5
  1.7098255684567618  1.5783005247293185  -0.0  -0.0  # for region 6