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
  WDC   ???  IR      -      95.05  32.58 ISC       WDC  
  YAK   ???  IR      +     310.15  33.34 ISC       YAK  
  PRI   ???  IR      -      99.23  36.60 ISC       PRI  
  DAG   ???  IR      +       9.21  48.42 ISC       DAG  
  LTX   ???  IR      -      91.49  51.51 ISC       LTX  
  TUL   ???  IR      +      79.56  51.53 ISC       TUL  
  RLO   ???  IR      -      78.78  51.80 ISC       RLO  
  VVO   ???  IR      -      80.05  51.96 ISC       VVO  
  SCH   ???  IR      -      44.88  53.75 ISC       SCH  
  OTT   ???  IR      +      58.06  56.10 ISC       OTT  
  MNT   ???  IR      -      56.73  57.08 ISC       MNT  
  DZM   ???  IR      c     204.73  78.67 ISC       DZM  
  CTA   ???  IR      -     223.26  83.54 ISC       CTA  
  WRA   ???  IR      -     233.23  88.72 ISC       WRA  

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