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
  SVA   ???  IR      -     308.40   8.36 ISC       SVA  
  VUN   ???  IR      -     308.98   8.42 ISC       VUN  
  DZM   ???  IR      c     270.88  17.48 ISC       DZM  
  CTA   ???  IR      +     267.63  36.37 ISC       CTA  
  WB2   ???  IR      -     264.01  47.30 ISC       WB2  
  WRA   ???  IR      -     264.01  47.31 ISC       WRA  
  SPA   ???  IR      -     180.00  66.66 ISC       SPA  
  CGP   ???  IR      +     290.73  67.20 ISC       CGP  
  MAT   ???  IR      c     322.22  74.44 ISC       MAT  
  CMB   ???  IR      +      40.67  79.62 ISC       CMB  
  WDC   ???  IR      +      37.62  80.06 ISC       WDC  
  PSI   ???  IR      +     273.98  87.81 ISC       PSI  

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