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
  NNA   ???  IR      +     134.36   2.39 ISC       NNA  
  SIV   ???  IR      -     110.16  17.96 ISC       SIV  
  UPA   ???  IR      -     357.15  19.19 ISC       UPA  
  RTCB  ???  IR      +     158.15  22.94 ISC       RTCB 
  CFA   ???  IR      -     157.16  23.26 ISC       CFA  
  PEL   ???  IR      -     163.43  23.86 ISC       PEL  
  BAO   ???  IR      -     103.31  30.26 ISC       BAO  
  UYO   ???  IR      -     341.86  46.73 ISC       UYO  
  MEO   ???  IR      +     337.99  48.69 ISC       MEO  
  ALQ   ???  IR      +     330.91  52.18 ISC       ALQ  
  FFC   ???  IR      -     345.59  67.72 ISC       FFC  
  EDM   ???  IR      +     338.58  69.88 ISC       EDM  
  SPA   ???  IR      +     180.00  79.76 ISC       SPA  
  EVAL  ???  IR      -      49.63  82.20 ISC       EVAL 
  EJIF  ???  IR      -      51.04  82.81 ISC       EJIF 
  EPRU  ???  IR      -      50.61  83.15 ISC       EPRU 
  EPLA  ???  IR      -      47.45  83.51 ISC       EPLA 
  ERUA  ???  IR      +      44.97  83.54 ISC       ERUA 
  EMON  ???  IR      +      43.94  83.77 ISC       EMON 
  INK   ???  IR      +     342.26  87.42 ISC       INK  
  EKA   ???  IR      +      33.57  90.26 ISC       EKA  
  DAG   ???  IR      +      11.52  93.41 ISC       DAG  

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