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
  KRO   ???  IR      +     286.16   2.92 ISC       KRO  
  VUN   ???  IR      +     271.65   3.68 ISC       VUN  
  DZM   ???  IR      c     252.72  15.42 ISC       DZM  
  NOU   ???  IR      c     251.84  15.46 ISC       NOU  
  BRS   ???  IR      +     245.96  28.70 ISC       BRS  
  CTA   ???  IR      -     260.82  34.10 ISC       CTA  
  CTAO  ???  IR      -     260.82  34.10 ISC       CTAO 
  ADE   ???  IR      +     237.69  42.09 ISC       ADE  
  WRA   ???  IR      -     259.67  45.27 ISC       WRA  
  WBN   ???  IR      -     250.71  51.92 ISC       WBN  
  MUN   ???  IR      -     243.08  60.64 ISC       MUN  
  NAU   ???  IR      +     253.62  62.36 ISC       NAU  
  MAT   ???  IR      d     322.95  68.52 ISC       MAT  
  SPA   ???  IR      +     180.00  71.96 ISC       SPA  
  IPM   ???  IR      +     276.97  83.14 ISC       IPM  
  PSI   ???  IR      +     274.71  84.60 ISC       PSI  

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