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      D     228.15   0.17 TAP       CHKT 
  TWF1  ???  IR      C     307.31   0.23 TAP       TWF1 
  YULB  ???  IR      C     314.40   0.26 TAP       YULB 
  HGSD  ???  IR      C     346.18   0.29 TAP       HGSD 
  ELDTW ???  IR      D     267.38   0.44 TAP       ELDTW
  TWGBT ???  IR      C     224.76   0.55 TAP       TWGBT
  TWG   ???  IR      C     225.52   0.55 TAP       TWG  
  TTN   ???  IR      C     215.63   0.56 TAP       TTN  
  YUS   ???  IR      D     299.04   0.57 TAP       YUS  
  ESL   ???  IR      D     354.25   0.60 TAP       ESL  
  VWDT  ???  IR      D     328.80   0.63 TAP       VWDT 
  STYT  ???  IR      C     266.22   0.69 TAP       STYT 
  ALS   ???  IR      D     295.25   0.70 TAP       ALS  
  SSLB  ???  IR      D     319.06   0.76 TAP       SSLB 
  WHYT  ???  IR      D     309.33   0.77 TAP       WHYT 
  TPUB  ???  IR      D     276.59   0.81 TAP       TPUB 
  CHN4  ???  IR      D     279.73   0.84 TAP       CHN4 
  CHN5  ???  IR      D     297.21   0.85 TAP       CHN5 
  SGST  ???  IR      C     261.58   0.85 TAP       SGST 
  SMLT  ???  IR      D     320.73   0.87 TAP       SMLT 
  CHN1  ???  IR      C     268.59   0.89 TAP       CHN1 
  CHGB  ???  IR      D     340.65   0.90 TAP       CHGB 
  TYC   ???  IR      D     319.66   0.91 TAP       TYC  
  SNST  ???  IR      D     270.80   0.92 TAP       SNST 
  SSD   ???  IR      C     240.14   0.92 TAP       SSD  
  TWK   ???  IR      C     273.67   0.93 TAP       TWK  
  WJS   ???  IR      D     310.86   0.93 TAP       WJS  
  NACB  ???  IR      D       5.20   0.96 TAP       NACB 
  MASBT ???  IR      C     233.47   1.00 TAP       MASBT
  WNT   ???  IR      D     311.79   1.00 TAP       WNT  
  WDLH  ???  IR      C     298.55   1.00 TAP       WDLH 
  EAST  ???  IR      C     216.25   1.02 TAP       EAST 
  CHY   ???  IR      C     286.37   1.03 TAP       CHY  
  CHN3  ???  IR      C     262.94   1.05 TAP       CHN3 
  TWM1  ???  IR      C     249.00   1.06 TAP       TWM1 
  TDCB  ???  IR      D     343.32   1.08 TAP       TDCB 
  NNSB  ???  IR      D     355.00   1.22 TAP       NNSB 
  WSF   ???  IR      C     290.21   1.25 TAP       WSF  
  NSY   ???  IR      C     330.76   1.38 TAP       NSY  
  YOJ   BHZ  JP  --  +   a  47.59   1.87 ISC       YOJ  
  KNM   ???  IR      C     293.77   3.05 TAP       KNM  
  KNMB  ???  IR      C     294.28   3.11 TAP       KNMB 
  KMNB  BHZ  TW  --  +   a 294.28   3.11 ISC       KNMB 
  QZH   ???  IR      c     303.58   3.17 BJI       QZH  
  WHN   ???  IR      d     320.40   9.70 BJI       WHN  
  WC4   BHZ  AU  --  -   a 162.71  44.70 ISC       WC4  

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