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
  ARO   ???  IR      D     256.67   8.92 ISC       ARO  
  BHD   ???  IR      +     342.30  20.55 ISC       BHD  
  SLY   ???  IR      -     346.69  22.47 ISC       SLY  
  GBA   ???  IR      +      87.24  25.01 ISC       GBA  
  HYB   ???  IR      -      78.47  26.11 ISC       HYB  
  AVY   ???  IR      C     186.95  32.70 ISC       AVY  
  BCAO  ???  IR      -     257.35  33.98 ISC       BCAO 
  SEM   ???  IR      -      26.48  43.31 ISC       SEM  
  SEM   SPZ  IR      D      26.48  43.31 MOS       SEM  
  SVE   ???  IR      -       7.12  43.54 ISC       SVE  
  SVE   SPZ  IR      D       7.12  43.54 MOS       SVE  
  KMI   ???  IR      +      68.64  49.19 ISC       KMI  
  GYA   ???  IR      -      67.16  52.79 ISC       GYA  
  SSE   ??Z  IR      -      61.93  65.58 ISC       SSE  
  YAK   ???  IR      -      28.95  72.33 ISC       YAK  

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