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
  PXZ   ???  IR      c     153.31   0.96 WEL       PXZ  
  KNZ   ???  IR      d      82.52   1.08 WEL       KNZ  
  HIZ   ???  IR      d     299.78   1.30 WEL       HIZ  
  RAEZ  ???  IR      d     264.93   1.48 WEL       RAEZ 
  MRZ   ???  IR      d     200.19   1.59 WEL       MRZ  
  TIWZ  ???  IR      c     191.07   1.64 WEL       TIWZ 
  NEZ   ???  IR      c     265.98   1.71 WEL       NEZ  
  PKE   ???  IR      d     268.53   1.80 WEL       PKE  
  KUZ   ???  IR      c     349.14   2.46 WEL       KUZ  
  WTAZ  ???  IR      d     328.10   2.62 WEL       WTAZ 
  WCZ   ???  IR      c     333.70   3.58 WEL       WCZ  

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