A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.941116732049532  7.803727169211305  -0.0  -0.0  # for region 1
  6.924433967046651  6.704610666505488  -0.0  -0.0  # for region 2
  5.0559359124467615  4.891068437040889  -0.0  -0.0  # for region 3
  4.107947928862993  3.9568194097409437  -0.0  -0.0  # for region 4
  3.5721286337939073  3.43473907095568  -0.0  -0.0  # for region 5
  3.3660442895365663  3.146220988995403  -0.0  -0.0  # for region 6
  2.651618562777785  2.459273174804267  -0.0  -0.0  # for region 7
  1.4700683223690312  1.277722934395513  -0.0  -0.0  # for region 8