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
  TWF1  ???  IR      -     241.76   0.36 ISC       TWF1 
  TWD   ???  IR      -     356.06   0.56 ISC       TWD  
  TWG   ???  IR      -     216.85   0.87 ISC       TWG  
  TWQ   ???  IR      -     315.77   1.05 ISC       TWQ  
  TWK   ???  IR      -     256.72   1.09 ISC       TWK  
  TWC   ???  IR      +      10.06   1.10 ISC       TWC  
  TWZ   ???  IR      +     358.05   1.57 ISC       TWZ  
  CHTO  ???  IR      +     261.81  21.67 ISC       CHTO 
  PSI   ???  IR      -     230.22  30.12 ISC       PSI  
  GBA   ???  IR      +     264.77  42.90 ISC       GBA  
  WRA   ???  IR      -     162.97  44.94 ISC       WRA  
  WB2   ???  IR      -     162.96  44.95 ISC       WB2  
  QIS   ???  IR      -     156.79  47.18 ISC       QIS  
  WARB  ???  IR      +     174.10  49.65 ISC       WARB 

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