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
  GRS   ???  IR      -     293.62   7.20 ISC       GRS  
  MAK   ???  IR      -     319.18   8.27 ISC       MAK  
  NDI   ???  IR      d     107.17  20.47 ISC       NDI  
  KGT   ???  IR      -     287.81  21.77 ISC       KGT  
  VRI   ???  IR      -     301.87  22.83 ISC       VRI  
  CVO   ???  IR      -     301.55  23.20 ISC       CVO  
  DOC   ???  IR      +     304.38  23.21 ISC       DOC  
  KDZ   ???  IR      -     290.86  23.22 ISC       KDZ  
  DEV   ???  IR      -     300.65  25.46 ISC       DEV  
  GBA   ???  IR      -     133.13  30.75 ISC       GBA  
  KCHT  ???  IR      c     284.22  35.62 ISC       KCHT 
  ZGN   ???  IR      c     282.94  35.67 ISC       ZGN  
  KMI   ???  IR      +      92.15  42.28 ISC       KMI  
  DAG   ???  IR      -     343.40  50.63 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