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
  ELDTW ???  IR      C      10.14   0.11 TAP       ELDTW
  EHD   ???  IR      C      70.57   0.20 TAP       EHD  
  ECS   ???  IR      C      85.83   0.21 TAP       ECS  
  LONT  ???  IR      C     144.50   0.21 TAP       LONT 
  STYH  ???  IR      C     293.88   0.22 TAP       STYH 
  STYT  ???  IR      C     290.54   0.23 TAP       STYT 
  TWG   ???  IR      D     164.82   0.27 TAP       TWG  
  TWGBT ???  IR      D     163.51   0.27 TAP       TWGBT
  FULB  ???  IR      C      66.72   0.30 TAP       FULB 
  EDH   ???  IR      C     110.67   0.30 TAP       EDH  
  SLGT  ???  IR      C     255.02   0.33 TAP       SLGT 
  CHKT  ???  IR      C      86.77   0.34 TAP       CHKT 
  SGST  ???  IR      C     270.32   0.38 TAP       SGST 
  TWF1  ???  IR      C      45.61   0.39 TAP       TWF1 
  WTP   ???  IR      C     295.20   0.39 TAP       WTP  
  EYUL  ???  IR      C      48.16   0.40 TAP       EYUL 
  TPUB  ???  IR      C     303.09   0.40 TAP       TPUB 
  CHN1  ???  IR      C     283.68   0.44 TAP       CHN1 
  SSD   ???  IR      C     225.31   0.47 TAP       SSD  
  TWK   ???  IR      C     291.74   0.50 TAP       TWK  
  EHY   ???  IR      C      35.22   0.52 TAP       EHY  
  HGSD  ???  IR      C      43.75   0.57 TAP       HGSD 
  EAST  ???  IR      C     191.16   0.71 TAP       EAST 
  SCZT  ???  IR      C     206.29   0.79 TAP       SCZT 
  WUSB  ???  IR      C       6.98   0.91 TAP       WUSB 

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