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
  UDU   ???  IR      +     243.12   2.63 ISC       UDU  
  NDE   ???  IR      +     241.55   3.42 ISC       NDE  
  MBU   ???  IR      +     240.47   4.11 ISC       MBU  
  VUN   ???  IR      +     231.18   4.88 ISC       VUN  
  SVA   ???  IR      +     230.22   4.95 ISC       SVA  
  SGE   ???  IR      +     238.47   5.08 ISC       SGE  
  NDF   ???  IR      +     239.33   5.55 ISC       NDF  
  DZM   ???  IR      c     242.67  16.74 ISC       DZM  
  KRP   ???  IR      +     193.73  23.67 ISC       KRP  
  CTA   ???  IR      +     256.30  34.85 ISC       CTA  
  MTN   ???  IR      +     265.71  49.78 ISC       MTN  
  FRI   ???  IR      -      44.55  75.04 ISC       FRI  
  JAS1  ???  IR      -      43.42  75.06 ISC       JAS1 
  WDC   ???  IR      -      40.20  75.17 ISC       WDC  
  MNA   ???  IR      -      43.96  76.84 ISC       MNA  
  COL   ???  IR      -      12.32  82.77 ISC       COL  

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