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
  AFI   ???  IR      +      63.32   1.82 ISC       AFI  
  VUN   ???  IR      -     246.17   8.41 ISC       VUN  
  SGE   ???  IR      +     249.95   8.76 ISC       SGE  
  NOU   ???  IR      c     245.45  20.48 ISC       NOU  
  FRI   ???  IR      +      42.71  72.14 ISC       FRI  
  JAS   ???  IR      -      41.54  72.22 ISC       JAS  
  JAS1  ???  IR      -      41.57  72.22 ISC       JAS1 
  WDC   ???  IR      -      38.31  72.49 ISC       WDC  
  SPA   ???  IR      -     180.00  75.36 ISC       SPA  
  ALQ   ???  IR      -      50.08  80.42 ISC       ALQ  
  LRM   ???  IR      -      38.20  81.53 ISC       LRM  
  SES   ???  IR      -      34.73  84.69 ISC       SES  

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