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
  DZM   ???  IR      c     255.87  18.73 NEIC      DZM  
  ASPA  ???  IR      d     254.49  48.72 NEIC      ASPA 
  KAKA  ???  IR      c     268.21  51.81 NEIC      KAKA 
  SPA   ???  IR      d     180.00  71.58 NEIC      SPA  
  SPA   SPZ  IR      D     180.00  71.58 MOS       SPA  
  ISA   ???  IR      c      43.92  75.25 NEIC      ISA  
  CMB   ???  IR      c      41.01  75.45 NEIC      CMB  
  WDC   ???  IR      c      37.89  75.75 NEIC      WDC  
  YSS   ???  IR      c     331.03  75.95 NEIC      YSS  
  YSS   SPZ  IR      D     331.03  75.95 MOS       YSS  
  MNV   ???  IR      c      41.78  77.09 NEIC      MNV  
  TPNV  ???  IR      c      43.92  77.46 NEIC      TPNV 
  TUC   ???  IR      c      50.38  78.77 NEIC      TUC  
  OCWA  ???  IR      c      31.59  79.61 NEIC      OCWA 
  WUAZ  ???  IR      c      47.33  79.99 NEIC      WUAZ 
  ELK   ???  IR      c      41.20  80.27 NEIC      ELK  
  DUG   ???  IR      c      42.70  81.50 NEIC      DUG  
  NJ2   ???  IR      c     307.70  81.65 BJI       NJ2  
  HLID  ???  IR      c      39.21  82.37 NEIC      HLID 
  LTX   ???  IR      d      55.95  82.78 NEIC      LTX  
  MA2   M?Z  IR      C     342.77  82.98 MOS       MA2  
  MA2   MPZ  IR      C     342.77  82.98 MOS       MA2  
  AHID  ???  IR      c      41.21  83.96 NEIC      AHID 
  BW06  ???  IR      c      41.81  84.93 NEIC      BW06 
  LKWY  ???  IR      c      39.95  85.34 NEIC      LKWY 
  BJT   ???  IR      c     313.78  87.24 NEIC      BJT  
  TIY   ???  IR      D     310.44  88.87 BJI       TIY  
  SYO   ???  IR      c     191.48  89.44 NEIC      SYO  
  VNA3  ???  IR      d     174.97  89.80 AWI       VNA3 
  SNAA  ???  IR      -     177.19  89.82 AWI       SNAA 
  VNA2  ???  IR      d     175.61  90.28 AWI       VNA2 
  VNA1  ???  IR      d     175.27  90.49 AWI       VNA1 
  HHC   ???  IR      d     313.02  90.77 BJI       HHC  
  YAK   ???  IR      d     336.87  91.78 NEIC      YAK  
  KMI   ???  IR      c     295.73  91.91 NEIC      KMI  
  LZH   ???  IR      d     306.37  94.66 NEIC      LZH  

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