A 1.0 #regions in PPM
# low field   high field  bias        slope
  11.40397977931108  11.122939751891037  -0.0  -0.0  # for region 1
  7.588080740341162  7.525627400914486  -0.0  -0.0  # for region 2
  7.350758050519792  7.200870035895769  -0.0  -0.0  # for region 3
  7.132171362526425  7.038491353386411  -0.0  -0.0  # for region 4
  3.5848216830912154  3.4848963400085338  -0.0  -0.0  # for region 5
  1.6518289342050885  1.6199601352855892  -0.0  -0.0  # for region 6