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
  NOU   ???  IR      c     279.27  12.53 ISC       NOU  
  DZM   ???  IR      d     280.32  12.59 ISC       DZM  
  BRS   ???  IR      +     258.32  24.38 ISC       BRS  
  CTA   ???  IR      -     272.01  31.33 ISC       CTA  
  CTAO  ???  IR      -     272.01  31.33 ISC       CTAO 
  WB2   ???  IR      -     267.33  42.17 ISC       WB2  
  WRA   ???  IR      -     267.32  42.18 ISC       WRA  
  KNA   ???  IR      -     270.67  48.50 ISC       KNA  
  SPA   ???  IR      +     180.00  65.22 ISC       SPA  
  JAS1  ???  IR      +      43.39  83.97 ISC       JAS1 
  WDC   ???  IR      +      40.28  84.35 ISC       WDC  

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