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      d     325.57   1.47 ISC       PVC  
  DZM   ???  IR      c     219.22   4.02 ISC       DZM  
  HNR   ???  IR      -     315.37  13.03 ISC       HNR  
  BRS   ???  IR      +     237.89  17.25 ISC       BRS  
  RMQ   ???  IR      -     244.59  20.26 ISC       RMQ  
  CTA   ???  IR      -     263.22  21.64 ISC       CTA  
  CNB   ???  IR      +     223.12  23.94 ISC       CNB  
  QLP   ???  IR      -     247.17  24.19 ISC       QLP  
  CMS   ???  IR      +     234.84  24.47 ISC       CMS  
  STK   ???  IR      -     237.20  27.95 ISC       STK  
  WRA   ???  IR      -     262.42  32.84 ISC       WRA  
  ASPA  ???  IR      -     255.59  33.15 ISC       ASPA 
  WARB  ???  IR      -     251.65  39.80 ISC       WARB 

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