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
  SNKA  ???  IR      -     285.14   0.60 ISC       SNKA 
  DRRA  ???  IR      +     334.17   0.67 ISC       DRRA 
  DLG   ???  IR      -     357.59   0.82 ISC       DLG  
  BALA  ???  IR      +     326.62   1.05 ISC       BALA 
  PVV   ???  IR      -     359.55   1.06 ISC       PVV  
  NGI   ???  IR      -      53.30   1.23 ISC       NGI  
  SASA  ???  IR      -      35.39   1.26 ISC       SASA 
  SDN   ???  IR      -      35.35   1.26 ISC       SDN  
  BLHA  ???  IR      -     353.21   1.40 ISC       BLHA 
  IVF   ???  IR      -      38.34   2.04 ISC       IVF  
  KDC   ???  IR      +      52.82   6.23 ISC       KDC  
  TTA   ???  IR      +      16.82   9.14 ISC       TTA  
  MAIO  ???  IR      +     327.55  82.99 ISC       MAIO 

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