P    #regions in PPM
# 2024-02-20 14:13:52 -0500  suvee@LAPTOP-P57SIM1R
# low field   high field   mi   maxi
  165.60943302308928  162.3121605950401  1.072  19.718  # for region 1
  161.57898660680246  149.88774267792436  0.273  1.343  # for region 2
  134.29941743942024  125.90570384945646  0.319  1.924  # for region 3
  125.90570384945646  117.2896034894593  2.060  12.009  # for region 4
  117.2896034894593  116.26446160070476  0.392  1.043  # for region 5
  116.26446160070476  104.77153213186912  2.060  12.009  # for region 6
  90.23242109211047  76.14297328038558  0.306  1.321  # for region 7
  69.24813711720105  33.27507887449921  0.211  2.335  # for region 8
  23.08271237240035  11.091692958166403  0.258  1.761  # for region 9
