A 1.0 #regions in PPM
# low field   high field  bias        slope
  182.40839603045967  182.04711179536412  -0.0  -0.0  # for region 1
  180.12026254152124  179.8191923456083  -0.0  -0.0  # for region 2
  178.73533964032168  178.19341328767837  -0.0  -0.0  # for region 3
  76.61320185388337  76.44564974485355  -0.0  -0.0  # for region 4
  69.63884531551729  69.01052490665548  -0.0  -0.0  # for region 5
  21.23722981952917  20.745045499254086  -0.0  -0.0  # for region 6
