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
  TRT   ???  IR      -     274.11   9.33 ISC       TRT  
  WRA   ???  IR      -     135.01  16.48 ISC       WRA  
  KGM   ???  IR      -     298.40  21.37 ISC       KGM  
  MRWA  ???  IR      -     194.59  21.39 ISC       MRWA 
  IPM   ???  IR      -     300.82  24.59 ISC       IPM  
  PSI   ???  IR      -     294.99  25.62 ISC       PSI  
  CTA   ???  IR      -     118.81  26.11 ISC       CTA  
  CTAO  ???  IR      -     118.81  26.11 ISC       CTAO 
  BRS   ???  IR      +     126.85  34.61 ISC       BRS  
  CHTO  ???  IR      -     320.14  35.42 ISC       CHTO 
  YYI   ???  IR      +     323.53  43.80 ISC       YYI  
  ZAK   ???  IR      +     346.37  60.85 ISC       ZAK  
  TLG   ???  IR      -     325.56  65.61 ISC       TLG  
  ELT   ???  IR      +     337.83  68.60 ISC       ELT  
  SEM   ???  IR      -     332.82  68.94 ISC       SEM  
  YAK   ???  IR      -       3.82  70.55 ISC       YAK  
  SPA   ???  IR      +     180.00  81.56 ISC       SPA  
  BKR   ???  IR      +     312.74  87.13 ISC       BKR  
  BUL   ???  IR      +     249.71  90.30 ISC       BUL  

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