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
  PPR   ???  IR      +     270.63   6.16 ISC       PPR  
  SSE   ??Z  IR      +     351.10  21.52 ISC       SSE  
  NJ2   ???  IR      -     346.53  22.89 ISC       NJ2  
  IPM   ???  IR      -     259.22  24.34 ISC       IPM  
  PSI   ???  IR      -     256.75  26.79 ISC       PSI  
  WRA   ???  IR      -     162.68  30.93 ISC       WRA  
  HHC   ??Z  IR      -     341.23  33.16 ISC       HHC  
  ASPA  ???  IR      -     165.41  34.35 ISC       ASPA 
  SHL   ???  IR      C     300.93  35.10 ISC       SHL  
  FORR  ???  IR      +     175.87  40.49 ISC       FORR 
  INK   ???  IR      +      21.44  85.22 ISC       INK  

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