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     156.21  12.95 ISC       DZM  
  CTA   ???  IR      -     233.42  17.16 ISC       CTA  
  QIS   ???  IR      -     240.81  22.89 ISC       QIS  
  WRA   ???  IR      +     246.18  27.32 ISC       WRA  
  MAT   ???  IR      c     336.54  51.16 ISC       MAT  
  SPA   ???  IR      +     180.00  79.84 ISC       SPA  
  PRS   ???  IR      +      52.26  86.31 ISC       PRS  
  MHC   ???  IR      +      51.23  86.37 ISC       MHC  
  WDC   ???  IR      +      47.92  86.59 ISC       WDC  
  CMB   ???  IR      +      50.83  87.52 ISC       CMB  
  FRI   ???  IR      +      51.97  87.78 ISC       FRI  
  MNA   ???  IR      +      50.87  89.32 ISC       MNA  

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