P    #regions in PPM
# 2024-07-07 19:23:18 -0400  suvee@LAPTOP-P57SIM1R
# low field   high field   mi   maxi
  9.610752831117429  6.231285495731038  2.914  10.012  # for region 1
  4.9749779361078454  3.6056026961185648  6.887  24.845  # for region 2
  2.361858212091603  2.3241689853029075  0.980  1.982  # for region 3
  2.3241689853029075  1.9095874906272539  1.180  2.094  # for region 4
  1.9095874906272539  1.3568121643930486  0.913  1.804  # for region 5
