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
  SLA   ???  IR      -     145.23   1.95 ISC       SLA  
  ANT   ???  IR      +     259.46   3.44 ISC       ANT  
  LPB   ???  IR      +     348.62   6.67 ISC       LPB  
  ZOBO  ???  IR      +     348.83   6.94 ISC       ZOBO 
  TCA   ???  IR      +     167.42   8.41 ISC       TCA  
  MRA   ???  IR      -     174.71   9.31 ISC       MRA  
  ITB1  ???  IR      -     100.14  11.39 ISC       ITB1 
  VAO   ???  IR      +      93.53  18.19 ISC       VAO  
  SPA   ???  IR      -     180.00  67.03 ISC       SPA  
  ORV   ???  IR      -     320.20  80.62 ISC       ORV  
  WDC   ???  IR      -     320.48  81.89 ISC       WDC  
  BUL   ???  IR      -     110.48  86.95 ISC       BUL  

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