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     342.40  20.67 ISS       HKC  
  GZH   ???  IR      C     341.13  21.66 ISS       GZH  
  MED   ???  IR      D     273.16  22.10 ISS       MED  
  GUA   ???  IR      D      64.06  26.23 ISS       GUA  
  KMI   ???  IR      C     323.81  28.40 ISS       KMI  
  ZSC   ???  IR      C       0.71  28.41 ISS       ZSC  
  PMG   ???  IR      C     114.65  28.83 ISS       PMG  
  NAN   ???  IR      C     356.53  29.43 ISS       NAN  
  CDU   ???  IR      C     332.14  32.16 ISS       CDU  
  OIT   ???  IR      D      17.20  32.18 ISS       OIT  
  KOC   ???  IR      D      19.73  33.08 ISS       KOC  
  CTA   ???  IR      C     133.13  33.62 ISS       CTA  
  SUM   ???  IR      C      21.01  34.26 ISS       SUM  
  ABU   ???  IR      C      21.46  34.98 ISS       ABU  
  SHL   ???  IR      C     312.06  36.02 ISS       SHL  
  MIS   ???  IR      C      25.39  36.53 ISS       MIS  
  LAN   ???  IR      C     336.79  36.85 ISS       LAN  
  MAT   ???  IR      C      23.34  37.46 ISS       MAT  
  PEK   ???  IR      C     354.18  37.56 ISS       PEK  
  LHA   ???  IR      C     316.68  39.04 ISS       LHA  
  BOK   ???  IR      C     305.05  39.81 ISS       BOK  
  MDR   ???  IR      D     286.73  41.49 ISS       MDR  
  BRS   ???  IR      C     136.16  42.84 ISS       BRS  
  KOD   ???  IR      D     282.10  43.69 ISS       KOD  
  HYD   ???  IR      D     292.51  44.11 ISS       HYD  
  MEL   ???  IR      C     153.20  45.99 ISS       MEL  
  AGR   ???  IR      D     305.04  47.66 ISS       AGR  
  NOU   ???  IR      C     121.48  50.95 ISS       NOU  
  IRK   ???  IR      C     347.07  51.42 ISS       IRK  
  WRS   ???  IR      C     310.33  55.66 ISS       WRS  
  FRU   ???  IR      C     320.95  57.41 ISS       FRU  
  QUE   ???  IR      C     304.33  57.83 ISS       QUE  
  SUV   ???  IR      D     112.43  60.37 ISS       SUV  
  KRP   ???  IR      C     134.36  64.59 ISS       KRP  
  WEL   ???  IR      C     137.97  65.55 ISS       WEL  
  WIL   ???  IR      C     184.43  69.04 ISS       WIL  
  TAN   ???  IR      C     249.78  75.02 ISS       TAN  
  HLL   ???  IR      C     166.40  80.98 ISS       HLL  
  SBA   ???  IR      D     171.19  84.03 ISS       SBA  
  KSA   ???  IR      C     303.57  84.36 ISS       KSA  
  JER   ???  IR      D     301.51  84.93 ISS       JER  
  SIM   ???  IR      C     314.70  85.86 ISS       SIM  
  APA   ???  IR      C     337.42  86.67 ISS       APA  
  KIR   ???  IR      C     338.08  91.58 ISS       KIR  
  NOR   ???  IR      C     354.28  93.71 ISS       NOR  
  WAR   ???  IR      C     322.59  93.99 ISS       WAR  
  ATH   ???  IR      D     308.17  94.03 ISS       ATH  
  UPP   S?Z  IR      C     330.47  94.41 ISC       UPP  
  UPP   ???  IR      C     330.47  94.41 ISS       UPP  
  BEO   ???  IR      C     315.29  95.54 ISS       BEO  
  SKA   ???  IR      C     334.76  95.89 ISS       SKA  

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