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
  SDN   ???  IR      +      63.81   4.10 ISC       SDN  
  ADK   ???  IR      +     256.78   6.18 ISC       ADK  
  PMS   ???  IR      -      44.05  12.00 ISC       PMS  
  IMA   ???  IR      -      22.72  14.03 ISC       IMA  
  EDM   ???  IR      -      68.76  31.28 ISC       EDM  
  DAG   ???  IR      +       9.34  48.24 ISC       DAG  
  TUL   ???  IR      +      79.94  51.29 ISC       TUL  
  CLE   ???  IR      +      65.32  55.50 ISC       CLE  
  CTA   ???  IR      -     223.56  83.80 ISC       CTA  
  WRA   ???  IR      -     233.52  88.98 ISC       WRA  

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