P    #regions in PPM
# 2022-12-06 18:39:49 +0100  PCT@id-pct-24-01
# low field   high field   mi   maxi
  16.1718006134033  16.034319387207  0.100  10000.000  # for region 1
  16.034309387207  -3.95928991127011  0.100  10000.000  # for region 2
