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
  AFI   ???  IR      c      45.61   8.54 NEIC      AFI  
  CNB   ???  IR      C     235.16  32.45 AUST      CNB  
  CTA   ???  IR      D     263.63  33.49 AUST      CTA  
  CTA   S?Z  IR      D     263.63  33.49 MOS       CTA  
  PMG   S?Z  IR      C     282.34  35.19 MOS       PMG  
  TOO   ???  IR      D     233.19  36.14 AUST      TOO  
  TOO   S?Z  IR      D     233.19  36.14 MOS       TOO  
  STKA  ???  IR      D     243.60  37.95 AUST      STKA 
  KAKA  ???  IR      D     270.78  47.91 AUST      KAKA 
  FITZ  ???  IR      D     262.04  53.04 AUST      FITZ 
  MBWA  ???  IR      d     257.09  57.91 NEIC      MBWA 
  KLBR  ???  IR      D     244.67  58.21 AUST      KLBR 
  YSS   B?Z  IR      D     333.44  75.45 MOS       YSS  
  YSS   ???  IR      d     333.44  75.45 NEIC      YSS  
  PET   S?Z  IR      C     345.72  75.50 MOS       PET  
  WDC   S?Z  IR      D      39.70  79.34 MOS       WDC  
  WDC   ???  IR      d      39.70  79.34 NEIC      WDC  
  HABR  S?Z  IR      D     330.44  80.01 MOS       HABR 
  SNY   ???  IR      D     319.99  81.81 BJI       SNY  
  CN2   ???  IR      D     322.42  81.89 BJI       CN2  
  WHN   ???  IR      C     306.37  82.12 BJI       WHN  
  OCWA  ???  IR      d      33.32  82.94 NEIC      OCWA 
  BMO   ???  IR      d      38.53  84.98 NEIC      BMO  
  ANMO  B?Z  IR      D      51.30  87.15 MOS       ANMO 
  DLMT  ???  IR      d      39.92  88.06 NEIC      DLMT 
  TPAW  ???  IR      d      42.13  88.12 NEIC      TPAW 
  NANT  ???  IR      c     290.51  88.48 BKK       NANT 
  BILL  S?Z  IR      C     354.17  88.56 MOS       BILL 
  BILL  ???  IR      d     354.17  88.56 NEIC      BILL 
  FLWY  ???  IR      d      41.71  88.57 NEIC      FLWY 
  NVL   S?Z  IR      C     183.26  89.19 MOS       NVL  
  CHRT  ???  IR      c     291.19  89.68 BKK       CHRT 
  INK   S?Z  IR      D      15.15  93.83 MOS       INK  
  INK   ???  IR      d      15.15  93.83 NEIC      INK  
  ULN   B?Z  IR      D     319.27  94.97 MOS       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