P    #regions in PPM
# 2023-10-28 12:44:10 -0400  suvee@LAPTOP-P57SIM1R
# low field   high field   mi   maxi
  8.453578887743253  6.63445431696306  0.130  1.363  # for region 1
  5.790285398496434  3.9711608277162402  0.043  1.066  # for region 2
  3.6739182507913717  3.5074624077134455  1.644  2.304  # for region 3
  3.5074624077134455  3.2339992369425667  13.226  15.799  # for region 4
  3.222109533865572  2.829759332324746  0.211  1.131  # for region 5
  2.829749332324746  2.7108523015547985  0.076  0.300  # for region 6
  2.7108523015547985  -0.035669109230984195  0.076  1.336  # for region 7
