Black dots -> compressions (C,c,+,U,u)
White dots -> dilatations (D,d,-)
Green dot  -> T-axis
Red dot    -> P-axis

  sta  chan net loc pol a/m   azi   dist author    irsta
  TSZ   ???  IR      c     187.02   0.77 WEL       TSZ  
  PXZ   ???  IR      c     140.83   0.95 WEL       PXZ  
  WAZ   ???  IR      c     241.41   0.96 WEL       WAZ  
  KNZ   ???  IR      d      77.93   1.27 WEL       KNZ  
  RAEZ  ???  IR      c     269.97   1.31 WEL       RAEZ 
  BFZ   ???  IR      c     174.87   1.39 WEL       BFZ  
  MRZ   ???  IR      c     195.74   1.42 WEL       MRZ  
  KIW   ???  IR      c     209.60   1.80 WEL       KIW  
  MTW   ???  IR      c     193.29   1.91 WEL       MTW  
  CAW   ???  IR      c     202.98   1.97 WEL       CAW  
  PAWZ  ???  IR      c     193.34   2.14 WEL       PAWZ 

sta    - Station code (FDSN)
chan   - channel code
net    - Network code (FDSN)
loc    - Location code (FDSN)
pol    - Polarity
a/m    - Automatic or manual pick
azi    - Event to station azimuth (in degrees)
dist   - Event to station distance (in degrees)
author - Author of the polarity
irsta  - International registry station code