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
  TWC   ???  IR      D     151.98   0.04 TAP       TWC  
  ILA   ???  IR      D     328.82   0.14 TAP       ILA  
  TWE   ???  IR      D     298.25   0.17 TAP       TWE  
  ENTT  ???  IR      D     269.83   0.24 TAP       ENTT 
  TWB1  ???  IR      C      21.37   0.39 TAP       TWB1 
  NSK   ???  IR      D     274.74   0.43 TAP       NSK  
  NWF   ???  IR      D     354.01   0.43 TAP       NWF  
  NNS   ???  IR      D     244.45   0.46 TAP       NNS  
  TAP1  ???  IR      D     324.88   0.48 TAP       TAP1 
  TAP   ???  IR      D     323.44   0.49 TAP       TAP  
  TWS1  ???  IR      D     320.77   0.59 TAP       TWS1 
  NCU   ???  IR      C     299.39   0.67 TAP       NCU  
  NSTT  ???  IR      C     269.42   0.76 TAP       NSTT 
  NSY   ???  IR      C     257.27   1.00 TAP       NSY  
  TWQ1  ???  IR      C     253.38   1.01 TAP       TWQ1 
  SMLT  ???  IR      C     228.57   1.14 TAP       SMLT 
  TYC   ???  IR      C     230.65   1.15 TAP       TYC  
  TCU   ???  IR      C     245.22   1.16 TAP       TCU  
  ALS   ???  IR      C     220.00   1.47 TAP       ALS  
  STYT  ???  IR      D     213.95   1.77 TAP       STYT 
  JKRS  ???  IR      D     100.98   2.03 JMA       JKRS 
  QZH   ???  IR      D     276.51   2.96 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