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
  DZM   ???  IR      c     262.67  13.99 ISC       DZM  
  BRS   ???  IR      -     250.55  26.88 ISC       BRS  
  CTA   ???  IR      -     265.12  32.92 ISC       CTA  
  ASPA  ???  IR      -     257.24  43.90 ISC       ASPA 
  WRA   ???  IR      +     262.61  44.01 ISC       WRA  
  MTN   ???  IR      +     271.14  48.63 ISC       MTN  
  SPA   ???  IR      +     180.00  69.19 ISC       SPA  
  KGM   ???  IR      -     276.18  79.63 ISC       KGM  
  CMB   ???  IR      -      42.92  80.14 ISC       CMB  
  WDC   ???  IR      -      39.84  80.35 ISC       WDC  
  ORV   ???  IR      -      41.16  80.36 ISC       ORV  
  MNA   ???  IR      -      43.63  81.81 ISC       MNA  
  CHTO  ???  IR      -     290.10  89.89 ISC       CHTO 

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