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
  ANP   ???  IR      +       2.93   2.65 ISC       ANP  
  QZH   ???  IR      -     313.94   3.50 ISC       QZH  
  PIP   ???  IR      +     189.71   4.24 ISC       PIP  
  KKM   ???  IR      -     197.67  17.12 ISC       KKM  
  CHG   ???  IR      +     264.13  21.30 ISC       CHG  
  IPM   ???  IR      -     230.64  26.64 ISC       IPM  
  SHL   ???  IR      d     282.36  27.07 ISC       SHL  
  MTN   ???  IR      +     163.83  36.43 ISC       MTN  
  WB2   ???  IR      +     162.31  44.07 ISC       WB2  
  CTA   ???  IR      +     148.31  48.83 ISC       CTA  
  BRS   ???  IR      +     146.96  58.17 ISC       BRS  
  SUF   ???  IR      +     331.25  72.58 ISC       SUF  
  INK   ???  IR      -      21.85  74.69 ISC       INK  
  DAG   ???  IR      -     351.30  78.03 ISC       DAG  

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