A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.8651278238597895  7.737294266414677  -0.0  -0.0  # for region 1
  7.7036538565607  7.589276463057179  -0.0  -0.0  # for region 2
  7.488355233495248  7.333609348166955  -0.0  -0.0  # for region 3
  2.738329362113716  2.6239519686101946  -0.0  -0.0  # for region 4