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
  TAU   ???  IR      +      12.93  11.64 ISC       TAU  
  ADE   ???  IR      +     347.50  19.66 ISC       ADE  
  CTA   ???  IR      +       4.11  34.21 ISC       CTA  
  WB2   ???  IR      -     344.41  35.06 ISC       WB2  
  WRA   ???  IR      -     344.39  35.06 ISC       WRA  
  SPA   ???  IR      +     180.00  35.87 ISC       SPA  
  DZM   ???  IR      c      36.95  36.45 ISC       DZM  
  MBL   ???  IR      -     321.74  37.76 ISC       MBL  
  MTN   ???  IR      +     341.57  42.56 ISC       MTN  
  PSI   ???  IR      +     310.50  67.95 ISC       PSI  
  IPM   ???  IR      +     313.32  68.53 ISC       IPM  
  BUL   ???  IR      -     238.33  87.53 ISC       BUL  
  GOA   ???  IR      -     295.04  91.24 ISC       GOA  

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