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
  GBA   ???  IR      -     169.27  23.45 ISC       GBA  
  MEM   ???  IR      +     308.71  48.76 ISC       MEM  
  KCHT  ???  IR      c     290.49  49.57 ISC       KCHT 
  ZGN   ???  IR      c     289.52  49.71 ISC       ZGN  
  DOU   ???  IR      +     308.28  49.75 ISC       DOU  
  DCN   ???  IR      -     314.56  56.06 ISC       DCN  
  MBC   ???  IR      -       3.21  66.93 ISC       MBC  
  FORR  ???  IR      -     134.95  84.78 ISC       FORR 
  CTA   ???  IR      +     115.86  89.17 ISC       CTA  
  EDM   ???  IR      +       3.85  90.16 ISC       EDM  

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