P    #regions in PPM
# 2025-10-23 11:01:24 +0200  MICROSO@MICROSOFT
# low field   high field   mi   maxi
  7.7539578199126575  7.53387848905045  2.649  18.659  # for region 1
  7.2749014159893415  7.218602052280405  0.395  3.720  # for region 2
  7.164874719246371  7.15859873678958  1.022  2.430  # for region 3
  5.9371120528228465  4.52609821942802  1.127  20.744  # for region 4
