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
  SGE   ???  IR      -     348.90   6.52 ISC       SGE  
  DZM   ???  IR      c     276.83  11.94 ISC       DZM  
  BKM   ???  IR      d     299.55  12.06 ISC       BKM  
  CMS   ???  IR      +     248.37  30.40 ISC       CMS  
  CTA   ???  IR      -     270.78  30.78 ISC       CTA  
  PMG   ???  IR      -     289.93  33.88 ISC       PMG  
  QIS   ???  IR      -     267.41  36.75 ISC       QIS  
  ASPA  ???  IR      -     260.94  41.33 ISC       ASPA 
  WB5   ???  IR      -     266.64  41.69 ISC       WB5  
  NANU  ???  IR      -     257.54  58.07 ISC       NANU 
  TRT   ???  IR      -     272.37  65.56 ISC       TRT  
  MAT   ???  IR      d     326.14  71.61 ISC       MAT  
  NJ2   ???  IR      -     311.49  80.22 ISC       NJ2  
  CN2   ??Z  IR      -     323.99  83.58 ISC       CN2  
  TIA   ???  IR      -     314.03  83.81 ISC       TIA  
  TIY   ??Z  IR      -     313.16  87.76 ISC       TIY  
  CHG   ???  IR      -     290.97  89.07 ISC       CHG  
  LZH   ??Z  IR      -     308.30  92.90 ISC       LZH  

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