A 1.0 #regions in PPM
# low field   high field  bias        slope
  10.02319004262676  9.979176034455545  -0.0  -0.0  # for region 1
  9.451007936400961  9.374983740468862  -0.0  -0.0  # for region 2
  8.230619528017264  8.182604246375938  -0.0  -0.0  # for region 3
  7.9665354789899725  7.942527838169309  -0.0  -0.0  # for region 4
  5.9939076582255035  5.8898745480026315  -0.0  -0.0  # for region 5
