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
  CHKT  ???  IR      C     246.13   0.16 TAP       CHKT 
  TWF1  ???  IR      D     311.72   0.28 TAP       TWF1 
  EHY   ???  IR      C     331.26   0.39 TAP       EHY  
  ELDTW ???  IR      C     273.07   0.47 TAP       ELDTW
  TWG   ???  IR      C     230.74   0.54 TAP       TWG  
  YUS   ???  IR      C     301.64   0.62 TAP       YUS  
  ESL   ???  IR      C     352.57   0.65 TAP       ESL  
  STYT  ???  IR      C     270.02   0.71 TAP       STYT 
  ALS   ???  IR      C     297.62   0.75 TAP       ALS  
  ECL   ???  IR      C     223.10   0.77 TAP       ECL  
  WTP   ???  IR      C     275.70   0.84 TAP       WTP  
  SGST  ???  IR      C     264.76   0.87 TAP       SGST 
  CHN4  ???  IR      C     282.39   0.88 TAP       CHN4 
  CHN5  ???  IR      C     299.11   0.89 TAP       CHN5 
  CHN1  ???  IR      C     271.46   0.92 TAP       CHN1 
  SSD   ???  IR      C     243.32   0.92 TAP       SSD  
  TYC   ???  IR      C     320.33   0.96 TAP       TYC  
  EAST  ???  IR      C     218.90   1.00 TAP       EAST 
  WGK   ???  IR      C     300.59   1.03 TAP       WGK  
  WNT   ???  IR      C     312.77   1.05 TAP       WNT  
  CHY   ???  IR      C     288.35   1.06 TAP       CHY  
  TWM1  ???  IR      C     251.72   1.07 TAP       TWM1 
  CHN3  ???  IR      C     265.50   1.07 TAP       CHN3 
  WSF   ???  IR      C     291.74   1.29 TAP       WSF  
  TWQ1  ???  IR      C     329.82   1.36 TAP       TWQ1 
  NSY   ???  IR      C     330.82   1.43 TAP       NSY  
  QZH   ??N  IR      C     304.02   3.21 BJI       QZH  
  WHN   ???  IR      D     320.47   9.75 BJI       WHN  
  GYA   ???  IR      D     286.69  13.89 BJI       GYA  
  SNY   ???  IR      C       4.79  18.69 BJI       SNY  
  BILL  S?Z  IR      C      19.49  52.53 MOS       BILL 
  ARU   S?Z  IR      C     323.41  56.11 MOS       ARU  
  APA   S?Z  IR      C     335.58  68.11 MOS       APA  
  CFR   ???  IR      C     313.37  76.23 BUC       CFR  
  VRI   ???  IR      C     314.37  76.94 BUC       VRI  
  BURAR ???  IR      C     316.43  77.31 BUC       BURAR
  MLR   ???  IR      C     314.20  77.58 BUC       MLR  
  CLL   ??Z  IR      -     323.16  83.05 CLL       CLL  
  CLL   S?Z  IR      D     323.16  83.05 MOS       CLL  

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