A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.747840727507893  7.623162830743398  -0.0  -0.0  # for region 1
  7.623162830743398  7.510359019385046  -0.0  -0.0  # for region 2
  7.4272404215420496  7.2728773112621985  -0.0  -0.0  # for region 3
  7.2372550550437715  7.088828987466992  -0.0  -0.0  # for region 4
  2.5410542769144664  2.4401245509622562  -0.0  -0.0  # for region 5
  2.2620132698701205  2.1729576293240527  -0.0  -0.0  # for region 6