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
  UWA   ???  IR      -     116.22   0.16 ISC       UWA  
  MTY   ???  IR      +      30.94   0.63 ISC       MTY  
  OIT   ???  IR      +     264.70   0.64 ISC       OIT  
  ASZ   ???  IR      +     137.36   0.78 ISC       ASZ  
  NOB   ???  IR      +     220.78   0.94 ISC       NOB  
  KOC   ???  IR      +      74.69   0.99 ISC       KOC  
  HIR   ???  IR      +       2.16   1.07 ISC       HIR  
  SHN   ???  IR      +     298.90   1.38 ISC       SHN  
  MRT   ???  IR      +      91.30   1.50 ISC       MRT  
  HMD   ???  IR      +     350.76   1.61 ISC       HMD  
  FKK   ???  IR      +     280.15   1.70 ISC       FKK  
  SAG   ???  IR      +     268.92   1.75 ISC       SAG  
  OKA   ???  IR      +      42.11   1.88 ISC       OKA  
  NGS   ???  IR      +     255.81   2.19 ISC       NGS  
  SAI   ???  IR      -      14.80   3.00 ISC       SAI  
  ABU   ???  IR      +      58.56   3.07 ISC       ABU  
  OWA   ???  IR      -      75.33   3.27 ISC       OWA  
  MAT   ???  IR      +      54.25   5.77 ISC       MAT  
  MBC   ???  IR      -      14.90  62.11 ISC       MBC  
  ALE   ???  IR      -       2.13  64.20 ISC       ALE  
  KJN   ???  IR      +     332.40  66.57 ISC       KJN  
  KIR   ???  IR      +     337.57  67.25 ISC       KIR  
  UME   ???  IR      +     333.99  69.54 ISC       UME  
  FBC   ???  IR      -       9.21  81.89 ISC       FBC  

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