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      +     324.35   4.11 ISC       SVA  
  VUN   ???  IR      +     325.25   4.20 ISC       VUN  
  DZM   ???  IR      c     264.88  13.51 ISC       DZM  
  CTA   ???  IR      -     266.09  32.45 ISC       CTA  
  QIS   ???  IR      -     263.65  38.55 ISC       QIS  
  ASPA  ???  IR      -     257.87  43.37 ISC       ASPA 
  WB2   ???  IR      -     263.29  43.51 ISC       WB2  
  MTN   ???  IR      +     271.80  48.23 ISC       MTN  
  MBL   ???  IR      -     258.24  56.62 ISC       MBL  
  NANU  ???  IR      -     255.63  60.22 ISC       NANU 
  SPA   ???  IR      +     180.00  68.64 ISC       SPA  
  MAT   ???  IR      d     324.53  70.45 ISC       MAT  
  PRI   ???  IR      -      44.49  79.54 ISC       PRI  
  CMB   ???  IR      -      43.08  80.84 ISC       CMB  
  WDC   ???  IR      -      40.00  81.05 ISC       WDC  
  MIN   ???  IR      -      40.63  81.47 ISC       MIN  
  PSI   ???  IR      -     275.51  83.63 ISC       PSI  
  PMR   ???  IR      -      13.82  86.20 ISC       PMR  
  FBA   ???  IR      -      12.78  89.42 ISC       FBA  
  CHTO  ???  IR      +     290.26  89.68 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