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
  VUN   ???  IR      +     335.71   4.49 ISC       VUN  
  SGE   ???  IR      +     332.26   5.08 ISC       SGE  
  DZM   ???  IR      c     267.63  12.94 ISC       DZM  
  STK   ???  IR      +     245.85  35.76 ISC       STK  
  ASPA  ???  IR      -     258.63  42.72 ISC       ASPA 
  WRA   ???  IR      +     264.11  42.92 ISC       WRA  
  SPA   ???  IR      +     180.00  68.00 ISC       SPA  
  PRS   ???  IR      +      44.19  80.02 ISC       PRS  
  FRI   ???  IR      +      44.45  81.49 ISC       FRI  
  WDC   ???  IR      +      40.22  81.87 ISC       WDC  
  ORV   ???  IR      +      41.53  81.88 ISC       ORV  
  MIN   ???  IR      +      40.84  82.29 ISC       MIN  

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