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
  DZM   ???  IR      c     245.43  16.80 ISC       DZM  
  CTA   ???  IR      -     257.37  35.10 ISC       CTA  
  WRA   ???  IR      +     257.31  46.31 ISC       WRA  
  ASPA  ???  IR      +     252.18  46.63 ISC       ASPA 
  YSS   ???  IR      -     332.33  72.06 ISC       YSS  
  SPA   ???  IR      +     180.00  74.38 ISC       SPA  
  SNY   ???  IR      +     319.12  79.15 ISC       SNY  
  ILT   ???  IR      -     359.37  83.37 ISC       ILT  
  IPM   ???  IR      -     276.51  83.42 ISC       IPM  
  PSI   ???  IR      -     274.31  84.97 ISC       PSI  
  EDM   ???  IR      +      32.66  87.65 ISC       EDM  
  TUP   ???  IR      -     328.61  87.86 ISC       TUP  
  YAK   ???  IR      +     337.80  88.03 ISC       YAK  

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