A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.413810564956833  8.387832762476263  0.0  0.0  # for region 1
  7.673443194260658  7.628481613044287  0.0  0.0  # for region 2
  7.230821405841716  7.198848725865631  0.0  0.0  # for region 3
  7.162879460892534  7.119916172174668  0.0  0.0  # for region 4
  3.618907714793229  3.5459700385977833  0.0  0.0  # for region 5
  1.1430233091450699  1.0910677041839303  0.0  0.0  # for region 6
