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
  PCI   ???  IR      +     266.58   3.46 ISC       PCI  
  AAI   ???  IR      -     121.26   5.73 ISC       AAI  
  KKM   ???  IR      +     313.59   9.73 ISC       KKM  
  WRA   ???  IR      -     151.19  21.97 ISC       WRA  
  IPM   ???  IR      +     283.23  22.83 ISC       IPM  
  ASPA  ???  IR      +     156.49  25.05 ISC       ASPA 
  SHL   ???  IR      D     312.98  40.04 ISC       SHL  
  GUN   ???  IR      +     311.41  45.79 ISC       GUN  
  PKI   ???  IR      +     310.70  45.97 ISC       PKI  
  KKN   ???  IR      +     310.88  46.18 ISC       KKN  
  DMN   ???  IR      +     310.56  46.22 ISC       DMN  
  GKN   ???  IR      +     310.72  46.78 ISC       GKN  

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