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
  PVC   ???  IR      c     334.97   1.30 ISC       PVC  
  DZM   ???  IR      d     215.84   3.88 ISC       DZM  
  NOU   ???  IR      c     213.77   4.07 ISC       NOU  
  RMQ   ???  IR      -     244.28  20.02 ISC       RMQ  
  CTA   ???  IR      -     263.15  21.37 ISC       CTA  
  CTAO  ???  IR      -     263.15  21.37 ISC       CTAO 
  CNB   ???  IR      -     222.70  23.77 ISC       CNB  
  YOU   ???  IR      -     225.95  23.80 ISC       YOU  
  WRA   ???  IR      +     262.41  32.57 ISC       WRA  
  ASPA  ???  IR      -     255.53  32.89 ISC       ASPA 
  SPA   ???  IR      +     180.00  71.19 ISC       SPA  

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