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
  MTD   ???  IR      -     252.04  40.56 ISC       MTD  
  KRI   ???  IR      +     252.41  42.43 ISC       KRI  
  BUL   ???  IR      -     247.92  43.94 ISC       BUL  
  BFT   ???  IR      -     239.75  44.08 ISC       BFT  
  SLR   ???  IR      -     240.36  45.61 ISC       SLR  
  BPI   ???  IR      -     239.87  45.95 ISC       BPI  
  SEK   ???  IR      -     237.21  46.95 ISC       SEK  
  BFS   ???  IR      +     239.37  47.23 ISC       BFS  
  SWZ   ???  IR      -     239.50  48.55 ISC       SWZ  
  RMN   ???  IR      +     318.09  51.33 ISC       RMN  
  BNG   ???  IR      -     280.30  54.30 ISC       BNG  
  WIN   ???  IR      +     247.19  54.93 ISC       WIN  
  WRA   ???  IR      +     108.95  61.96 ISC       WRA  
  CTA   ???  IR      -     108.90  73.16 ISC       CTA  
  CLL   ???  IR      +     326.49  76.52 ISC       CLL  

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