A 1.0 #regions in PPM
# low field   high field  bias        slope
  4.4927812478399085  4.397591002906642  -0.0  -0.0  # for region 1
  4.016830023173576  3.906766302469486  -0.0  -0.0  # for region 2
  3.246998395297406  3.151364501466767  -0.0  -0.0  # for region 3
  3.0177806497668267  2.949470725602085  -0.0  -0.0  # for region 4
  2.832584855364637  2.7627569328851234  -0.0  -0.0  # for region 5
  2.64890705927722  2.5745251418533894  -0.0  -0.0  # for region 6
  1.294852562500555  1.2022546652994601  -0.0  -0.0  # for region 7