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
  IHA   ???  IR      c     163.63   0.52 ISC       IHA  
  SAN   ???  IR      d     133.99   1.34 ISC       SAN  
  ZOBO  ???  IR      +      12.56  16.53 ISC       ZOBO 
  ATB   ???  IR      +      36.33  34.40 ISC       ATB  
  SPA   ???  IR      +     180.00  57.66 ISC       SPA  
  SYO   ???  IR      +     158.66  67.17 ISC       SYO  
  CER   ???  IR      -     119.38  73.79 ISC       CER  
  LIC   ???  IR      +      71.79  74.13 ISC       LIC  
  TIC   ???  IR      +      71.44  74.39 ISC       TIC  
  PRY   ???  IR      +     117.45  83.15 ISC       PRY  
  SLR   ???  IR      +     116.85  84.41 ISC       SLR  
  ORV   ???  IR      +     323.73  85.23 ISC       ORV  
  FFC   ???  IR      -     343.05  90.70 ISC       FFC  
  BNG   ???  IR      -      86.47  92.66 ISC       BNG  

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