A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.131919681165249  8.039436435400575  -0.0  -0.0  # for region 1
  8.032830489274527  7.927135351257757  -0.0  -0.0  # for region 2
  7.920529405131709  7.828046159367035  -0.0  -0.0  # for region 3
  7.689321290720025  7.510960745316725  -0.0  -0.0  # for region 4
  7.524172637568821  7.35241803829157  -0.0  -0.0  # for region 5
  2.219597898352172  2.1403265448395943  -0.0  -0.0  # for region 6