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
  SVA   ???  IR      +     354.62   5.93 ISC       SVA  
  DZM   ???  IR      c     277.13  11.76 ISC       DZM  
  MHZ   ???  IR      -     198.37  22.42 ISC       MHZ  
  CAN   ???  IR      +     239.69  28.31 ISC       CAN  
  YOU   ???  IR      +     242.07  28.55 ISC       YOU  
  CMS   ???  IR      -     248.37  30.22 ISC       CMS  
  CTA   ???  IR      -     270.91  30.60 ISC       CTA  
  TOO   ???  IR      -     236.86  31.63 ISC       TOO  
  STK   ???  IR      -     248.21  33.86 ISC       STK  
  WRA   ???  IR      +     266.63  41.52 ISC       WRA  
  SPA   ???  IR      +     180.00  66.09 ISC       SPA  
  SYO   ???  IR      +     193.66  82.66 ISC       SYO  
  FRI   ???  IR      +      44.93  83.73 ISC       FRI  
  CMB   ???  IR      +      43.76  83.91 ISC       CMB  
  ORV   ???  IR      +      42.02  84.14 ISC       ORV  
  WDC   ???  IR      +      40.71  84.14 ISC       WDC  

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