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
  SNA   ???  IR      +     152.38  18.18 ISC       SNA  
  SYO   ???  IR      +     140.97  31.83 ISC       SYO  
  SPA   ???  IR      +     180.00  34.27 ISC       SPA  
  YJA   ???  IR      +     304.60  43.80 ISC       YJA  
  CNCB  ???  IR      +     305.39  49.59 ISC       CNCB 
  ZOBO  ???  IR      -     305.58  50.13 ISC       ZOBO 
  BUL   ???  IR      +      72.96  54.75 ISC       BUL  
  DRV   ???  IR      c     174.17  57.38 ISC       DRV  
  KRI   ???  IR      +      71.67  58.00 ISC       KRI  
  MTD   ???  IR      +      73.46  59.10 ISC       MTD  
  BNG   ???  IR      +      49.48  71.00 ISC       BNG  

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