A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.02428832842957  9.979052370268787  -0.0  -0.0  # for region 1
  9.45129952505965  9.378921992002395  -0.0  -0.0  # for region 2
  8.220881463086345  8.184692696557718  -0.0  -0.0  # for region 3
  5.956067824503129  5.8716273692696666  -0.0  -0.0  # for region 4
  5.763061069683787  5.738935225331369  -0.0  -0.0  # for region 5
