P    #regions in PPM
# 2022-08-04 17:21:15 -0400  suvee@LAPTOP-P57SIM1R
# low field   high field   mi   maxi
  10.794191377733101  9.098907333132075  0.173  1.299  # for region 1
  8.84726360776161  8.304242937225343  0.086  0.751  # for region 2
  7.973132772264205  6.330826354056961  0.173  1.607  # for region 3
  3.642211814572519  2.9137694516580153  11.933  17.364  # for region 4
  2.6753701328859956  1.6820396380025815  0.293  1.055  # for region 5
