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
  LONT  ???  IR      C     245.05   0.12 TAP       LONT 
  ECS   ???  IR      D     348.59   0.14 TAP       ECS  
  CHKT  ???  IR      D      37.24   0.18 TAP       CHKT 
  EHD   ???  IR      D     348.21   0.19 TAP       EHD  
  TWGB  BHZ  TW  --  -   a 228.25   0.21 ISC       TWG  
  TWGBT ???  IR      D     228.23   0.21 TAP       TWGBT
  TWG   ???  IR      D     230.16   0.21 TAP       TWG  
  FULB  ???  IR      D       9.74   0.24 TAP       FULB 
  CHKH  ???  IR      D      30.07   0.27 TAP       CHKH 
  ELDTW ???  IR      D     317.14   0.31 TAP       ELDTW
  EYUL  ???  IR      C       9.41   0.39 TAP       EYUL 
  TWF1  ???  IR      C       6.39   0.40 TAP       TWF1 
  ECBN  ???  IR      C      27.49   0.40 TAP       ECBN 
  YULB  ???  IR      C       5.84   0.43 TAP       YULB 
  STYH  ???  IR      D     295.97   0.48 TAP       STYH 
  STYT  ???  IR      D     294.34   0.50 TAP       STYT 
  EHY   ???  IR      C       6.98   0.55 TAP       EHY  
  HGSD  ???  IR      C      16.78   0.56 TAP       HGSD 
  SLGT  ???  IR      D     273.76   0.56 TAP       SLGT 
  YUS   ???  IR      C     332.73   0.59 TAP       YUS  
  SSD   ???  IR      D     249.80   0.61 TAP       SSD  
  SGST  ???  IR      D     281.51   0.63 TAP       SGST 
  TPUB  BHZ  TW  --  -   a 301.00   0.66 ISC       TPUB 
  MASBT ???  IR      D     238.93   0.67 TAP       MASBT
  TPUB  ???  IR      D     301.00   0.67 TAP       TPUB 
  SCST  ???  IR      D     264.25   0.70 TAP       SCST 
  CHN1  ???  IR      D     288.94   0.70 TAP       CHN1 
  CHN4  ???  IR      D     303.07   0.72 TAP       CHN4 
  SNST  ???  IR      D     290.78   0.74 TAP       SNST 
  WCKO  ???  IR      D     309.02   0.76 TAP       WCKO 
  TWK   ???  IR      D     293.83   0.77 TAP       TWK  
  WARBT ???  IR      C       9.43   0.77 TAP       WARBT
  TWM1  ???  IR      D     260.19   0.77 TAP       TWM1 
  VWDT  ???  IR      C     352.88   0.80 TAP       VWDT 
  SCZT  ???  IR      D     225.03   0.82 TAP       SCZT 
  CHN5  ???  IR      C     320.57   0.82 TAP       CHN5 
  SHHT  ???  IR      D     274.52   0.83 TAP       SHHT 
  SSLB  ???  IR      C     341.88   0.87 TAP       SSLB 
  SSLB  BHZ  TW  --  +   a 341.88   0.87 ISC       SSLB 
  WGK   ???  IR      C     319.06   0.96 TAP       WGK  
  WDLH  ???  IR      C     318.20   0.98 TAP       WDLH 
  WJS   ???  IR      C     330.99   0.98 TAP       WJS  
  WUSB  ???  IR      C     353.33   1.04 TAP       WUSB 
  WNT   ???  IR      C     330.56   1.05 TAP       WNT  
  CHGB  ???  IR      C     356.42   1.10 TAP       CHGB 
  TDCB  ???  IR      C     356.32   1.29 TAP       TDCB 
  WDGT  ???  IR      C     281.92   1.49 TAP       WDGT 
  NSY   ???  IR      C     342.96   1.52 TAP       NSY  
  ULN   HHZ  IU  10  +   a 338.91  27.32 ISC       ULN  

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