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
  MAT   ???  IR      c     231.71  23.26 ISC       MAT  
  TTA   ???  IR      +      50.19  24.03 ISC       TTA  
  CN2   ???  IR      -     261.32  25.10 ISC       CN2  
  IMA   ???  IR      +      42.87  25.31 ISC       IMA  
  FBA   ???  IR      +      45.80  27.70 ISC       FBA  
  TOA   ???  IR      +      51.62  28.62 ISC       TOA  
  MBC   ???  IR      +      23.43  36.33 ISC       MBC  
  EDM   ???  IR      +      53.73  48.06 ISC       EDM  
  SES   ???  IR      +      55.47  50.94 ISC       SES  
  EKA   ???  IR      -     350.39  70.56 ISC       EKA  
  CLL   ???  IR      -     339.43  71.97 ISC       CLL  
  CLL   ???  IR      D     339.43  71.97 CLL       CLL  
  KHC   ???  IR      -     338.30  73.90 ISC       KHC  
  MEM   ???  IR      -     343.63  73.95 ISC       MEM  
  MLR   ???  IR      +     328.78  73.98 ISC       MLR  
  RBL   ???  IR      c     337.38  76.44 ISC       RBL  
  WRA   ???  IR      -     205.55  76.80 ISC       WRA  
  CTI   ???  IR      c     338.55  77.24 ISC       CTI  
  BOB   ???  IR      c     339.67  78.93 ISC       BOB  
  BDI   ???  IR      c     338.65  79.36 ISC       BDI  

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