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
  HKC   ???  IR      C     355.99  24.06 ISS       HKC  
  GZH   ???  IR      C     354.32  24.91 ISS       GZH  
  KMI   ???  IR      C     335.31  29.70 ISS       KMI  
  ZSC   ???  IR      C       8.26  33.13 ISS       ZSC  
  CHT   ???  IR      C     316.94  33.65 ISS       CHT  
  NAN   ???  IR      C       4.34  33.83 ISS       NAN  
  CTA   ???  IR      C     123.61  34.73 ISS       CTA  
  SHL   ???  IR      C     321.04  35.84 ISS       SHL  
  FKK   ???  IR      C      19.87  37.77 ISS       FKK  
  MDR   ???  IR      C     293.59  38.42 ISS       MDR  
  LHA   ???  IR      C     324.66  39.33 ISS       LHA  
  LAN   ???  IR      C     344.45  39.35 ISS       LAN  
  HYD   ???  IR      C     298.98  41.62 ISS       HYD  
  PEK   ???  IR      C       0.27  41.68 ISS       PEK  
  MAT   ???  IR      C      26.34  43.45 ISS       MAT  
  BRS   ???  IR      C     129.19  43.46 ISS       BRS  
  MEL   ???  IR      C     146.85  44.65 ISS       MEL  
  RIV   ???  IR      C     137.94  45.78 ISS       RIV  
  HSK   ???  IR      C       9.36  46.32 ISS       HSK  
  LAH   ???  IR      C     313.65  51.58 ISS       LAH  
  NOU   ???  IR      C     116.64  53.09 ISS       NOU  
  KAR   ???  IR      C     302.68  54.24 ISS       KAR  
  QUE   ???  IR      C     308.42  56.50 ISS       QUE  
  WIL   ???  IR      C     182.43  64.40 ISS       WIL  
  TAN   ???  IR      D     250.54  68.97 ISS       TAN  
  SBA   ???  IR      C     170.42  80.51 ISS       SBA  
  KSA   ???  IR      C     304.25  82.75 ISS       KSA  
  JER   ???  IR      D     302.14  83.09 ISS       JER  
  HLW   ???  IR      C     299.92  86.22 ISS       HLW  
  GRH   ???  IR      C     236.89  88.47 ISS       GRH  
  KIM   ???  IR      D     241.39  90.14 ISS       KIM  

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