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      +     283.61   2.71 ISC       KRO  
  NDE   ???  IR      +     296.63   3.03 ISC       NDE  
  MBU   ???  IR      +     286.43   3.42 ISC       MBU  
  VUN   ???  IR      -     268.89   3.50 ISC       VUN  
  SGE   ???  IR      +     274.79   4.04 ISC       SGE  
  DZM   ???  IR      c     251.97  15.31 ISC       DZM  
  NOU   ???  IR      c     251.09  15.36 ISC       NOU  
  BRS   ???  IR      +     245.59  28.61 ISC       BRS  
  CTA   ???  IR      -     260.58  33.96 ISC       CTA  
  STK   ???  IR      -     241.36  39.06 ISC       STK  
  WB2   ???  IR      -     259.52  45.13 ISC       WB2  
  WRA   ???  IR      +     259.52  45.14 ISC       WRA  
  ASPA  ???  IR      -     254.27  45.28 ISC       ASPA 
  MTN   ???  IR      +     268.33  49.33 ISC       MTN  
  KLGA  ???  IR      -     244.73  56.16 ISC       KLGA 
  MAT   ???  IR      d     323.02  68.28 ISC       MAT  
  PSI   ???  IR      +     274.75  84.42 ISC       PSI  

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