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
  NOU   ???  IR      -     300.13  16.66 ISC       NOU  
  KOU   ???  IR      +     300.57  19.32 ISC       KOU  
  BRS   ???  IR      +     271.96  25.73 ISC       BRS  
  YOU   ???  IR      -     255.55  28.24 ISC       YOU  
  ISQ   ???  IR      +     275.50  39.38 ISC       ISQ  
  WB2   ???  IR      +     273.44  44.13 ISC       WB2  
  WRA   ???  IR      +     273.44  44.14 ISC       WRA  
  MEK   ???  IR      +     257.95  54.96 ISC       MEK  
  SPA   ???  IR      +     180.00  58.53 ISC       SPA  
  NVL   ???  IR      -     183.33  77.64 ISC       NVL  
  YSS   ???  IR      +     334.26  85.86 ISC       YSS  
  TUC   ???  IR      -      51.34  89.90 ISC       TUC  
  BMN   ???  IR      -      41.79  91.13 ISC       BMN  

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