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
  ENA   ???  IR      C     275.88   0.23 TAP       ENA  
  ILA   ???  IR      C     328.54   0.42 TAP       ILA  
  TWE   ???  IR      C     317.04   0.43 TAP       TWE  
  EGS   ???  IR      C     353.16   0.44 TAP       EGS  
  TWD   ???  IR      C     228.12   0.48 TAP       TWD  
  HWA   ???  IR      C     219.61   0.55 TAP       HWA  
  TWB1  ???  IR      C     359.86   0.60 TAP       TWB1 
  TWA   ???  IR      D     327.27   0.68 TAP       TWA  
  NWF   ???  IR      C     344.06   0.69 TAP       NWF  
  WHF   ???  IR      C     248.80   0.71 TAP       WHF  
  TWT   ???  IR      C     258.69   0.76 TAP       TWT  
  TWS1  ???  IR      D     323.22   0.87 TAP       TWS1 
  SMLT  ???  IR      C     242.68   1.12 TAP       SMLT 
  TYC   ???  IR      C     244.51   1.15 TAP       TYC  
  YUS   ???  IR      C     226.39   1.32 TAP       YUS  
  ALS   ???  IR      C     230.84   1.40 TAP       ALS  
  STYT  ???  IR      C     222.67   1.67 TAP       STYT 
  WTP   ???  IR      C     227.81   1.71 TAP       WTP  
  TWK   ???  IR      C     230.82   1.78 TAP       TWK  
  SGST  ???  IR      C     224.68   1.84 TAP       SGST 
  QZH   ??N  IR      C     280.54   3.14 BJI       QZH  

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