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
  ANT   ???  IR      +     252.42   3.44 ISC       ANT  
  CYA   ???  IR      +     170.94   5.79 ISC       CYA  
  VCA   ???  IR      +     191.33   6.14 ISC       VCA  
  LPB   ???  IR      -     348.81   6.25 ISC       LPB  
  CFA   ???  IR      -     187.71   8.96 ISC       CFA  
  SPA   ???  IR      -     180.00  67.44 ISC       SPA  
  ANMO  ???  IR      -     325.75  68.56 ISC       ANMO 
  SCH   ???  IR      -       0.03  77.20 ISC       SCH  
  GRM   ???  IR      -     122.06  80.52 ISC       GRM  
  PRE   ???  IR      -     115.55  84.67 ISC       PRE  
  BUL   ???  IR      -     110.53  87.19 ISC       BUL  
  BCAO  ???  IR      +      84.15  87.43 ISC       BCAO 
  KRI   ???  IR      d     107.88  89.37 ISC       KRI  
  CIR   ???  IR      d     112.44  89.40 ISC       CIR  
  MTD   ???  IR      d     108.59  91.11 ISC       MTD  
  CLK   ???  IR      d     108.95  94.53 ISC       CLK  

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