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
  ANR   ???  IR      +     332.21   2.96 ISC       ANR  
  GAR   ???  IR      +     286.96   3.14 ISC       GAR  
  DSH   ???  IR      -     277.22   4.27 ISC       DSH  
  WRS   ???  IR      -     210.09   4.57 ISC       WRS  
  TAS   ???  IR      +     311.69   4.92 ISC       TAS  
  PRZ   ???  IR      -      35.34   5.40 ISC       PRZ  
  SAM   ???  IR      -     287.46   5.81 ISC       SAM  
  NDI   ???  IR      +     164.07   9.77 ISC       NDI  
  QUE   ???  IR      -     219.14   9.94 ISC       QUE  
  ELT   ???  IR      -      25.02  17.27 ISC       ELT  
  HYB   ???  IR      +     168.27  21.00 ISC       HYB  
  ARU   ???  IR      -     335.39  21.05 ISC       ARU  
  ZAK   ???  IR      +      49.96  24.00 ISC       ZAK  
  NRI   ???  IR      -       9.16  32.23 ISC       NRI  
  BRG   ???  IR      -     307.14  43.62 ISC       BRG  
  DAG   ???  IR      -     343.45  53.87 ISC       DAG  
  MBC   ???  IR      -       3.53  65.56 ISC       MBC  
  WCB   ???  IR      +     124.21  80.77 ISC       WCB  

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