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      -      32.94   1.90 ISC       AFI  
  VUN   ???  IR      -     252.22   8.69 ISC       VUN  
  PVC   ???  IR      +     260.38  18.20 ISC       PVC  
  NOU   ???  IR      -     247.81  20.71 ISC       NOU  
  KOU   ???  IR      +     253.62  22.32 ISC       KOU  
  BRS   ???  IR      +     243.89  34.00 ISC       BRS  
  ASP   ???  IR      -     251.96  50.59 ISC       ASP  
  WBN   ???  IR      +     248.71  57.17 ISC       WBN  
  MAT   ???  IR      c     319.54  69.38 ISC       MAT  
  ORV   ???  IR      +      39.21  72.72 ISC       ORV  
  WDC   ???  IR      +      37.85  72.74 ISC       WDC  
  YSS   ???  IR      +     330.06  73.85 ISC       YSS  
  SPA   ???  IR      -     180.00  74.58 ISC       SPA  
  MIR   ???  IR      +     204.13  77.54 ISC       MIR  
  PSI   ???  IR      -     273.15  89.04 ISC       PSI  

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