P    #regions in PPM
# 2026-02-25 10:30:11 -0500  emman@Manny-LENOVO2
# low field   high field   mi   maxi
  168.17905036686903  158.13851004645895  2.766  18.439  # for region 1
  155.2741171161669  110.31995175389638  6.573  20.680  # for region 2
  30.37443605558821  17.2526796795741  5.290  10.901  # for region 3
