A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.054256983391022  10.020126041335558  -0.0  -0.0  # for region 1
  9.4632527762201  9.371638142281752  -0.0  -0.0  # for region 2
  8.278816380976085  8.226614977194561  -0.0  -0.0  # for region 3
  7.969983238349762  7.941279817323292  -0.0  -0.0  # for region 4
  6.003496157162404  5.974674764185148  -0.0  -0.0  # for region 5
  5.962982885767374  5.898826465000003  -0.0  -0.0  # for region 6
  4.012211316065449  3.9646909312258445  -0.0  -0.0  # for region 7
