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
  MKS   ???  IR      -     207.89   7.21 ISC       MKS  
  WRA   ???  IR      +     152.37  23.84 ISC       WRA  
  NANU  ???  IR      -     196.39  24.66 ISC       NANU 
  QIS   ???  IR      +     143.68  27.14 ISC       QIS  
  MRWA  ???  IR      -     191.70  30.94 ISC       MRWA 
  ADE   ???  IR      +     159.06  38.92 ISC       ADE  
  BRS   ???  IR      +     136.87  40.45 ISC       BRS  
  GTA   ???  IR      -     333.85  43.46 ISC       GTA  
  GBA   ???  IR      +     287.59  46.59 ISC       GBA  
  DZM   ???  IR      c     121.20  48.40 ISC       DZM  
  AVY   ???  IR      C     250.31  76.32 ISC       AVY  
  VNDA  ???  IR      +     172.04  81.44 ISC       VNDA 

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