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
  PVC   ???  IR      +     192.63   4.95 ISC       PVC  
  KOU   ???  IR      +     212.25   9.10 ISC       KOU  
  NOU   ???  IR      +     196.52   9.80 ISC       NOU  
  HNR   ???  IR      -     289.25   9.93 ISC       HNR  
  STK   ???  IR      +     228.97  31.80 ISC       STK  
  WB2   ???  IR      +     253.51  34.34 ISC       WB2  
  WRA   ???  IR      +     253.51  34.35 ISC       WRA  
  ASP   ???  IR      +     247.18  35.33 ISC       ASP  
  WBN   ???  IR      +     245.30  42.31 ISC       WBN  
  PPH   ???  IR      +     293.28  47.66 ISC       PPH  
  MBL   ???  IR      +     253.10  47.99 ISC       MBL  
  PPR   ???  IR      +     291.65  55.17 ISC       PPR  
  LEM   ???  IR      +     269.26  61.10 ISC       LEM  
  PSI   ???  IR      -     277.33  71.70 ISC       PSI  
  CHG   ???  IR      +     293.20  76.27 ISC       CHG  
  PLM   ???  IR      d      53.90  83.80 ISC       PLM  

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