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
  KRO   ???  IR      +     327.21   4.07 ISC       KRO  
  TVI   ???  IR      +     336.40   4.16 ISC       TVI  
  MBU   ???  IR      +     322.77   4.71 ISC       MBU  
  NDE   ???  IR      +     331.13   4.74 ISC       NDE  
  SGE   ???  IR      +     310.93   4.77 ISC       SGE  
  WB5   ???  IR      -     262.47  44.27 ISC       WB5  
  WRA   ???  IR      -     262.38  44.28 ISC       WRA  
  SPA   ???  IR      +     180.00  69.36 ISC       SPA  
  BKS   ???  IR      +      42.05  78.59 ISC       BKS  
  PNT   ???  IR      -      34.04  87.04 ISC       PNT  

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