A 1.0 #regions in PPM
# low field   high field  bias        slope
  2.6574111551373987  2.6472753983043504  0.0  0.0  # for region 1
  2.627464600857938  2.613182398047733  0.0  0.0  # for region 2
  2.5012283566645177  2.484642572755893  0.0  0.0  # for region 3
  2.4685175050669526  2.4583817482339043  0.0  0.0  # for region 4
  1.455667204746302  1.4254755886478603  0.0  0.0  # for region 5
  1.3025525802470614  1.2669696041310405  0.0  0.0  # for region 6
  -0.03610231922985946  -0.06162292420269115  0.0  0.0  # for region 7
