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
  WRA   ???  IR      +     164.97  21.68 ISC       WRA  
  WB2   ???  IR      -     164.94  21.69 ISC       WB2  
  KGM   ???  IR      +     272.38  25.18 ISC       KGM  
  CTA   ???  IR      -     141.34  27.32 ISC       CTA  
  IPM   ???  IR      +     277.52  27.64 ISC       IPM  
  BRS   ???  IR      +     142.30  36.72 ISC       BRS  
  ADE   ???  IR      -     166.04  37.13 ISC       ADE  
  YYI   ???  IR      -     310.83  41.19 ISC       YYI  
  SHL   ???  IR      d     307.63  42.85 ISC       SHL  
  HYB   ???  IR      -     291.36  51.68 ISC       HYB  
  GBA   ???  IR      -     286.36  52.01 ISC       GBA  
  YAK   ???  IR      +       0.64  60.78 ISC       YAK  
  SEM   ???  IR      +     327.88  63.85 ISC       SEM  
  BKR   ???  IR      +     311.59  85.53 ISC       BKR  

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