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
  MAK   ???  IR      +     309.29   3.98 ISC       MAK  
  KRV   ???  IR      -     273.36   4.11 ISC       KRV  
  GRS   ???  IR      +     257.96   4.25 ISC       GRS  
  TEH   ???  IR      d     183.15   4.77 ISC       TEH  
  IR2   ???  IR      -     187.73   4.88 ISC       IR2  
  GRO   ???  IR      -     304.23   5.25 ISC       GRO  
  STE   ???  IR      +     277.38   5.59 ISC       STE  
  KHI   ???  IR      -     136.83   8.42 ISC       KHI  
  SEM   ???  IR      +      53.99  22.21 ISC       SEM  
  ELT   ???  IR      +      49.66  26.54 ISC       ELT  
  GBA   ???  IR      +     132.63  35.01 ISC       GBA  
  BOD   ???  IR      +      44.45  42.58 ISC       BOD  
  BNG   ???  IR      -     228.55  46.68 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