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
  ZON   ???  IR      c     119.55   0.35 NEIC      ZON  
  MDZ   ???  IR      d     174.07   1.51 NEIC      MDZ  
  ILCH  S?Z  IR      D     261.26   1.84 GUC       ILCH 
  OVCH  S?Z  IR      C     291.74   2.01 GUC       OVCH 
  FCH   S?Z  IR      D     208.25   2.22 GUC       FCH  
  PEL   S?Z  IR      C     217.93   2.25 MOS       PEL  
  CLCH  B?Z  IR      C     211.79   2.38 GUC       CLCH 
  SAN   S?Z  IR      C     213.11   2.49 GUC       SAN  
  PCH   S?Z  IR      C     208.73   2.57 GUC       PCH  
  CHCH  S?Z  IR      D     207.68   2.90 GUC       CHCH 
  CICH  S?Z  IR      D     201.26   3.16 GUC       CICH 
  VACH  S?Z  IR      D     331.37   3.16 GUC       VACH 
  CPCH  S?Z  IR      C     343.64   4.16 GUC       CPCH 
  TRQA  ???  IR      c     140.87   8.84 NEIC      TRQA 
  ARE   ???  IR      c     350.87  15.01 NEIC      ARE  
  EFI   ???  IR      d     161.42  21.84 NEIC      EFI  
  PDCR  ???  IR      C      62.45  33.32 VAO       PDCR 
  TRSB  ???  IR      D      48.53  36.14 VAO       TRSB 
  SJG   ???  IR      d       3.62  49.28 NEIC      SJG  
  VNA3  ???  IR      +     158.97  50.86 AWI       VNA3 
  VNA1  ???  IR      +     158.06  51.12 AWI       VNA1 
  SNAA  ???  IR      -     158.77  53.08 AWI       SNAA 
  NVL   B?Z  IR      D     157.24  57.74 MOS       NVL  
  SPA   S?Z  IR      D     180.00  58.80 MOS       SPA  
  SPA   ???  IR      D     180.00  58.80 SPA       SPA  
  HKT   ???  IR      d     334.66  66.09 NEIC      HKT  
  JCT   ???  IR      d     331.58  68.10 NEIC      JCT  
  OXF   ???  IR      d     341.98  68.29 NEIC      OXF  
  WVT   ???  IR      d     343.82  69.43 NEIC      WVT  
  TUC   ???  IR      d     324.22  74.64 NEIC      TUC  
  MAW   ???  IR      D     162.82  74.95 AUST      MAW  
  SDCO  ???  IR      d     331.05  76.73 NEIC      SDCO 

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