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
  TBZ   ???  IR      -      25.11   3.36 ISC       TBZ  
  BHL   ???  IR      d     204.83   4.43 ISC       BHL  
  AKH   ???  IR      -      49.67   5.53 ISC       AKH  
  BKR   ???  IR      -      47.12   5.73 ISC       BKR  
  GRS   ???  IR      +      74.27   6.78 ISC       GRS  
  NIE   ???  IR      +     317.75  17.07 ISC       NIE  
  KRA   ???  IR      -     319.03  17.64 ISC       KRA  
  KHC   ???  IR      +     310.30  20.77 ISC       KHC  
  OSS   ???  IR      -     301.98  22.20 ISC       OSS  
  SAX   ???  IR      -     303.09  22.86 ISC       SAX  
  LLS   ???  IR      -     301.94  23.00 ISC       LLS  
  SLE   ???  IR      -     304.01  23.55 ISC       SLE  
  EMS   ???  IR      -     299.39  24.27 ISC       EMS  
  WLF   ???  IR      +     307.51  25.52 ISC       WLF  

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