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
  ONA   ???  IR      d     244.28   0.72 ISC       ONA  
  FKS   ???  IR      d     296.85   1.11 ISC       FKS  
  SEN   ???  IR      d     327.10   1.19 ISC       SEN  
  SHR   ???  IR      d     264.11   1.21 ISC       SHR  
  YAMJ  ???  IR      d     304.76   1.61 ISC       YAMJ 
  KAKJ  ???  IR      d     230.14   1.63 ISC       KAKJ 
  NIIJ  ???  IR      d     270.23   2.17 ISC       NIIJ 
  MAT   ???  IR      d     256.75   2.91 ISC       MAT  
  YYI   ???  IR      +     268.86  40.96 ISC       YYI  
  WRA   ???  IR      +     188.26  57.32 ISC       WRA  
  GBA   ???  IR      +     265.57  61.48 ISC       GBA  
  KHC   ???  IR      -     328.60  82.48 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