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
  ANT   ???  IR      +     213.09   2.80 ISC       ANT  
  YJA   ???  IR      -     105.77   3.11 ISC       YJA  
  SLA   ???  IR      +     138.88   4.49 ISC       SLA  
  CCH   ???  IR      +      32.42   4.66 ISC       CCH  
  FSA   ???  IR      -     152.35   5.37 ISC       FSA  
  VCA   ???  IR      +     176.28   7.37 ISC       VCA  
  CFA   ???  IR      +     177.54  10.22 ISC       CFA  
  TCA   ???  IR      -     160.34  10.61 ISC       TCA  
  ITB1  ???  IR      -     106.63  13.62 ISC       ITB1 
  VBA   ???  IR      +     162.11  17.64 ISC       VBA  
  SJG   ???  IR      -       3.90  39.31 ISC       SJG  
  RLO   ???  IR      -     336.15  62.38 ISC       RLO  
  KIC   ???  IR      +      73.76  68.52 ISC       KIC  
  EDM   ???  IR      -     334.86  83.70 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