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
  URA   ???  IR      c      41.48   0.18 ISC       URA  
  HOOJ  ???  IR      c      53.80   0.61 ISC       HOOJ 
  OBI   ???  IR      c      25.96   1.00 ISC       OBI  
  MRRJ  ???  IR      d     289.67   1.22 ISC       MRRJ 
  MRR   ???  IR      d     283.70   1.25 ISC       MRR  
  HAC   ???  IR      c     209.23   1.71 ISC       HAC  
  NEM   ???  IR      d      58.23   2.55 ISC       NEM  
  MRK   ???  IR      d     205.88   2.58 ISC       MRK  
  HJH   ???  IR      d     215.57   3.27 ISC       HJH  
  MAT   ???  IR      c     213.46   6.46 ISC       MAT  
  WRA   ???  IR      +     188.82  62.13 ISC       WRA  
  FFC   ???  IR      -      34.14  69.03 ISC       FFC  
  KHC   ???  IR      -     328.66  78.78 ISC       KHC  

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