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
  ADK   ???  IR      -       0.23   0.52 ISC       ADK  
  IMA   ???  IR      -      29.67  18.79 ISC       IMA  
  MAT   ???  IR      c     262.89  35.09 ISC       MAT  
  LZH   ??Z  IR      +     287.58  56.66 ISC       LZH  
  UYO   ???  IR      -      72.24  59.62 ISC       UYO  
  KHO   ???  IR      +     309.54  73.32 ISC       KHO  
  KHO   SPZ  IR      C     309.54  73.32 MOS       KHO  
  VAN   ???  IR      +     318.84  78.97 ISC       VAN  
  VAN   SPZ  IR      C     318.84  78.97 MOS       VAN  
  BKR   ???  IR      +     330.71  80.90 ISC       BKR  
  BKR   SPZ  IR      C     330.71  80.90 MOS       BKR  
  VRI   ???  IR      +     343.68  81.06 ISC       VRI  
  QUE   ???  IR      +     308.32  81.45 ISC       QUE  
  GBA   ???  IR      +     290.72  89.12 ISC       GBA  

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