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
  PVC   ???  IR      c     315.59   0.34 ISC       PVC  
  DZM   ???  IR      d     205.71   4.53 ISC       DZM  
  RMQ   ???  IR      -     241.71  20.17 ISC       RMQ  
  CTA   ???  IR      -     260.75  21.19 ISC       CTA  
  STK   ???  IR      -     235.25  28.00 ISC       STK  
  WRA   ???  IR      -     260.98  32.39 ISC       WRA  
  ASPA  ???  IR      -     254.10  32.83 ISC       ASPA 
  WARB  ???  IR      +     250.50  39.55 ISC       WARB 
  MHC   ???  IR      +      48.60  85.61 ISC       MHC  
  WDC   ???  IR      +      45.39  86.44 ISC       WDC  
  ORV   ???  IR      +      46.67  86.69 ISC       ORV  
  CMB   ???  IR      +      48.42  86.81 ISC       CMB  

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