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
  NWAO  ???  IR      c      58.99  19.96 NEIC      NWAO 
  MIR   S?Z  IR      C     184.22  21.46 MOS       MIR  
  FORT  ???  IR      C      70.09  28.29 AUST      FORT 
  ADE   S?Z  IR      D      86.86  33.27 MOS       ADE  
  TOO   ???  IR      D      95.48  36.79 AUST      TOO  
  TOO   S?Z  IR      D      95.48  36.79 MOS       TOO  
  ASPA  ???  IR      C      66.85  36.90 AUST      ASPA 
  STKA  ???  IR      D      84.60  36.96 AUST      STKA 
  WB2   ???  IR      C      63.22  39.88 AUST      WB2  
  NVL   B?Z  IR      D     207.06  46.53 MOS       NVL  
  CTA   ???  IR      D      74.94  47.62 AUST      CTA  
  CTA   S?Z  IR      D      74.94  47.62 MOS       CTA  
  VNA2  ???  IR      d     203.74  52.33 NEIC      VNA2 
  VNA3  ???  IR      d     202.91  52.80 NEIC      VNA3 
  CHG   ???  IR      d       2.18  63.78 BKK       CHG  
  HYB   ???  IR      d     340.58  64.55 HYB       HYB  
  HYB   ???  IR      d     340.58  64.55 NEIC      HYB  
  HYB   S?Z  IR      D     340.58  64.55 MOS       HYB  
  HKC   ???  IR      C      17.15  69.05 HKC       HKC  
  KMI   ???  IR      D       5.65  70.23 BJI       KMI  
  GYA   ???  IR      D       9.22  71.91 BJI       GYA  
  QZH   ???  IR      D      20.61  72.60 BJI       QZH  
  CD2   ???  IR      D       6.09  76.05 BJI       CD2  
  WHN   ???  IR      D      15.41  77.09 BJI       WHN  
  SSE   ???  IR      D      21.07  79.13 BJI       SSE  
  LZH   ???  IR      D       5.71  81.20 BJI       LZH  
  GTA   ???  IR      D       2.29  84.31 BJI       GTA  
  HHC   ???  IR      D      11.11  86.72 BJI       HHC  
  AAA   M?Z  IR      D     345.54  89.85 MOS       AAA  
  VAN   S?Z  IR      D     330.33  89.88 MOS       VAN  
  SNY   ???  IR      C      19.62  89.92 BJI       SNY  
  CN2   ???  IR      D      20.27  92.23 BJI       CN2  
  VLA   B?Z  IR      C      24.88  93.34 MOS       VLA  

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