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
  HOOJ  ???  IR      c     179.04   3.28 ISC       HOOJ 
  URA   ???  IR      c     185.22   3.52 ISC       URA  
  MDJ   ??Z  IR      -     268.63   9.69 ISC       MDJ  
  MAT   ???  IR      d     204.21   9.87 ISC       MAT  
  CN2   ??Z  IR      -     267.94  12.77 ISC       CN2  
  SNY   ??Z  IR      -     261.85  14.70 ISC       SNY  
  HHC   ??Z  IR      -     269.49  23.46 ISC       HHC  
  GTA   ??Z  IR      -     274.52  32.27 ISC       GTA  
  CHTO  ???  IR      -     248.62  45.24 ISC       CHTO 
  SHL   ???  IR      C     261.82  45.43 ISC       SHL  
  WRA   ???  IR      +     189.16  65.79 ISC       WRA  
  FFC   ???  IR      +      35.26  65.79 ISC       FFC  

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