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
  SNKA  ???  IR      -     334.78   0.48 ISC       SNKA 
  DRRA  ???  IR      -       5.10   0.89 ISC       DRRA 
  BALA  ???  IR      -     349.77   1.18 ISC       BALA 
  PS4   ???  IR      -      13.42   1.36 ISC       PS4  
  SASA  ???  IR      -      39.74   1.72 ISC       SASA 
  SDN   ???  IR      +      39.71   1.72 ISC       SDN  
  IVF   ???  IR      +      40.63   2.50 ISC       IVF  
  SVW   ???  IR      +      24.49   7.97 ISC       SVW  
  PMS   ???  IR      +      38.43   9.97 ISC       PMS  
  CLL   ???  IR      -       2.97  74.96 ISC       CLL  
  GRF   ???  IR      +       4.24  76.51 ISC       GRF  
  KHC   ???  IR      +       2.69  77.15 ISC       KHC  

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