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
  SYO   ???  IR      -     166.68  17.85 ISC       SYO  
  SUR   ???  IR      +     341.58  20.39 ISC       SUR  
  BFS   ???  IR      +     356.83  25.14 ISC       BFS  
  BPI   ???  IR      -     359.46  25.83 ISC       BPI  
  KSR   ???  IR      +     357.15  26.18 ISC       KSR  
  BUL   ???  IR      c       0.58  31.84 ISC       BUL  
  KRI   ???  IR      c       2.21  35.15 ISC       KRI  
  MTD   ???  IR      c       5.47  35.28 ISC       MTD  
  SPA   ???  IR      +     179.99  38.15 ISC       SPA  
  LWI   ???  IR      +       0.67  49.63 ISC       LWI  
  BNG   ???  IR      +     348.38  56.87 ISC       BNG  
  VBA   ???  IR      +     244.18  61.28 ISC       VBA  
  GBA   ???  IR      +      48.77  77.93 ISC       GBA  
  WRA   ???  IR      -     114.60  83.92 ISC       WRA  

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