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
  JFK   ???  IR      D     311.71   0.47 JMA       JFK  
  JHO   ???  IR      C     233.78   0.74 JMA       JHO  
  VLA   B?Z  IR      D     312.90   9.43 MOS       VLA  
  GYA   ???  IR      c     260.21  31.15 BJI       GYA  
  WRH   BHZ  AK  --  -   a  32.78  49.01 ISC       WRH  
  GSI   BHZ  GE  --  +   a 239.00  53.74 ISC       GSI  
  INK   BHZ  CN  --  +   a  27.10  54.40 ISC       INK  
  ARU   B?Z  IR      C     318.51  56.29 MOS       ARU  
  WB0   BHZ  AU  --  -   a 187.79  56.89 ISC       WB0  
  WB7   BHZ  AU  --  -   a 187.79  56.96 ISC       WB7  
  WB4   BHZ  AU  --  -   a 187.81  57.03 ISC       WB4  
  WC2   BHZ  AU  --  -   a 187.80  57.05 ISC       WC2  
  WR0   BHZ  AU  --  -   a 187.60  57.06 ISC       WR0  
  WR4   BHZ  AU  --  -   a 187.75  57.07 ISC       WR4  
  ABKAR BHZ  KZ  --  +   a 310.10  57.87 ISC       ABKAR
  FRB   BHZ  CN  --  +   a  13.15  76.77 ISC       FRB  
  MPM   BHZ  CI  --  -   a  54.68  76.95 ISC       MPMC 
  TESR  ???  IR      C     320.13  78.27 BUC       TESR 
  VRI   ???  IR      D     319.61  78.66 BUC       VRI  
  VRI   S?Z  IR      D     319.61  78.66 MOS       VRI  
  VOIR  ???  IR      D     320.10  79.82 BUC       VOIR 
  ARR   ???  IR      C     320.25  80.08 BUC       ARR  
  CLL   ???  IR      -     330.09  81.04 CLL       CLL  
  CLL   S?Z  IR      D     330.09  81.04 MOS       CLL  

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