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
  MTN   ???  IR      -     200.14  36.23 ISC       MTN  
  CTA   ???  IR      D     175.64  41.56 GSET2     CTA  
  WRA   ???  IR      -     192.43  42.20 ISC       WRA  
  ASAR  ???  IR      C     191.87  45.91 GSET2     ASAR 
  ASAR  ???  IR      D     191.87  45.91 GSET2     ASAR 
  ASPA  ???  IR      C     191.88  45.91 GSET2     ASPA 
  GBA   ???  IR      +     274.59  62.79 ISC       GBA  
  MBC   ???  IR      +      14.54  70.93 ISC       MBC  
  YKA   ???  IR      C      27.82  76.52 GSET2     YKA  
  WDC   ???  IR      +      50.60  79.37 ISC       WDC  
  PRS   ???  IR      +      54.33  81.68 ISC       PRS  
  CMB   ???  IR      +      52.44  81.81 ISC       CMB  
  LLA   ???  IR      +      53.94  81.90 ISC       LLA  
  FRI   ???  IR      +      53.23  82.69 ISC       FRI  
  FFC   ???  IR      +      31.85  85.89 ISC       FFC  

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