P    #regions in PPM
# 2024-02-21 13:23:26 -0500  suvee@LAPTOP-P57SIM1R
# low field   high field   mi   maxi
  164.11974508093442  108.62174810058227  1.609  10.866  # for region 1
  87.69870645825699  57.27868137544366  0.929  14.727  # for region 2
  45.70423280734882  42.43964474968105  0.822  2.645  # for region 3
  36.80081083189126  33.09105167545061  1.287  4.611  # for region 4
  22.85211640367441  10.53571600429145  1.108  5.791  # for region 5
