A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.2640735406408075  7.1481277514344255  0.0  0.0  # for region 1
  7.103891406154882  7.055929894957061  0.0  0.0  # for region 2
  7.000983697662471  6.870137244782979  0.0  0.0  # for region 3
  5.1208301021150495  4.7330686220629135  0.0  0.0  # for region 4
  4.087010432783423  3.880021820993994  0.0  0.0  # for region 5
  3.82449156882454  3.4196529153026116  0.0  0.0  # for region 6
  3.006661223788717  2.9765218613656708  0.0  0.0  # for region 7
  2.885664764358504  2.625914349563927  0.0  0.0  # for region 8
  1.7568802599759898  1.4735507173752735  0.0  0.0  # for region 9
  1.4747361966330172  1.4213896300345559  0.0  0.0  # for region 10
  1.423760588550043  1.3182529346108642  0.0  0.0  # for region 11
  1.3182529346108642  1.295728828713736  0.0  0.0  # for region 12
  1.295728828713736  1.18785021625907  0.0  0.0  # for region 13
  1.1902211747745572  1.0740442075156862  0.0  0.0  # for region 14
  0.7722454236557236  0.45911397891258615  0.0  0.0  # for region 15
