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
  ONA   ???  IR      -     358.46   0.38 ISC       ONA  
  MIT   ???  IR      -     243.05   0.41 ISC       MIT  
  KAK   ???  IR      -     240.78   0.67 ISC       KAK  
  CHO   ???  IR      +     184.25   0.84 ISC       CHO  
  KMG   ???  IR      -     251.92   1.31 ISC       KMG  
  MAE   ???  IR      -     264.39   1.50 ISC       MAE  
  SEN   ???  IR      -     359.47   1.69 ISC       SEN  
  ISN   ???  IR      +       9.20   1.88 ISC       ISN  
  MAT   ???  IR      -     270.27   2.18 ISC       MAT  
  OFU   ???  IR      +      13.98   2.57 ISC       OFU  
  MRK   ???  IR      -       3.49   3.13 ISC       MRK  
  SRT   ???  IR      +     242.12   4.85 ISC       SRT  
  YAK   ???  IR      +     348.09  26.45 ISC       YAK  
  RES   ???  IR      -      14.27  63.15 ISC       RES  
  UME   ???  IR      +     335.97  69.56 ISC       UME  
  BLC   ???  IR      +      22.87  69.97 ISC       BLC  
  LHN   ???  IR      +     337.27  74.56 ISC       LHN  
  LF4   ???  IR      -      40.27  76.75 ISC       LF4  

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