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
  NGO1  ???  IR      c     300.32   0.77 ISC       NGO1 
  NAH1  ???  IR      c     270.38   0.92 ISC       NAH1 
  MVI   ???  IR      d      98.73   2.30 ISC       MVI  
  SSE   ???  IR      -     308.15   8.21 ISC       SSE  
  LZH   ??Z  IR      +     300.93  23.40 ISC       LZH  
  GTA   ???  IR      -     305.82  27.50 ISC       GTA  
  SHL   ???  IR      C     277.17  33.07 ISC       SHL  
  WRA   ???  IR      -     172.66  46.19 ISC       WRA  
  CTA   ???  IR      +     157.97  49.06 ISC       CTA  
  GBA   ???  IR      +     265.69  49.53 ISC       GBA  
  ASPA  ???  IR      -     173.77  49.83 ISC       ASPA 
  VRI   ???  IR      -     315.94  79.41 ISC       VRI  
  MLR   ???  IR      -     315.86  80.07 ISC       MLR  
  CLL   ???  IR      +     325.37  84.42 ISC       CLL  
  CLL   ???  IR      C     325.37  84.42 CLL       CLL  
  KHC   ???  IR      +     323.37  85.38 ISC       KHC  
  FFC   ???  IR      -      26.68  88.42 ISC       FFC  

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