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
  ATH   ???  IR      +     353.05   1.09 ISC       ATH  
  VLS   ???  IR      -     297.20   2.92 ISC       VLS  
  PRK   ???  IR      -      37.92   3.02 ISC       PRK  
  CIN   ???  IR      -      76.74   3.43 ISC       CIN  
  ARG   ???  IR      +      99.81   3.48 ISC       ARG  
  PLG   ???  IR      -     354.50   3.50 ISC       PLG  
  ISK   ???  IR      d      42.43   5.80 ISC       ISK  
  GPA   ???  IR      d      54.02   6.07 ISC       GPA  
  PVL   ???  IR      -       9.52   6.42 ISC       PVL  
  EIL   ???  IR      +     124.68  11.72 ISC       EIL  
  FUR   ???  IR      -     324.54  14.59 ISC       FUR  
  PRU   ???  IR      +     335.67  14.73 ISC       PRU  
  GRF   ???  IR      +     328.36  15.74 ISC       GRF  
  BKR   ???  IR      +      66.29  15.93 ISC       BKR  
  DOU   ???  IR      +     319.61  19.17 ISC       DOU  
  ALM   ???  IR      +     277.87  21.06 ISC       ALM  
  TOL   ???  IR      +     286.35  22.06 ISC       TOL  
  SHI   ???  IR      +      98.47  24.94 ISC       SHI  
  KTG   ???  IR      +     338.50  41.33 ISC       KTG  
  ELT   ???  IR      +      48.29  45.47 ISC       ELT  
  BUL   ???  IR      c     174.69  56.90 ISC       BUL  
  SCH   ???  IR      +     318.66  61.19 ISC       SCH  
  EDM   ???  IR      +     335.70  82.90 ISC       EDM  
  FSJ   ???  IR      +     341.99  84.98 ISC       FSJ  

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