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
  DZM   ???  IR      c     189.47   7.71 ISC       DZM  
  CTA   ???  IR      -     251.69  21.33 ISC       CTA  
  STK   ???  IR      +     229.57  29.59 ISC       STK  
  WRA   ???  IR      +     255.50  32.40 ISC       WRA  
  NANU  ???  IR      -     252.57  50.03 ISC       NANU 
  KKM   ???  IR      +     288.08  55.06 ISC       KKM  
  CN2   ???  IR      +     328.65  69.66 ISC       CN2  
  PMR   ???  IR      +      19.20  83.05 ISC       PMR  
  PRI   ???  IR      +      50.52  84.09 ISC       PRI  
  WDC   ???  IR      +      45.84  84.48 ISC       WDC  
  CMB   ???  IR      +      48.85  85.02 ISC       CMB  
  IMA   ???  IR      +      14.77  85.23 ISC       IMA  
  GBA   ???  IR      -     283.02  93.67 ISC       GBA  

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