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
  GRZ   ???  IR      d     217.25   6.54 WEL       GRZ  
  WCZ   ???  IR      d     224.62   6.95 WEL       WCZ  
  NIUE  BHZ  AU  --  +   a  38.49  14.87 ISC       NIUE 
  EIDS  BHZ  AU  --  +   a 275.22  26.37 ISC       EIDS 
  CTA   BHZ  AU  --  -   a 281.52  32.53 ISC       CTA  
  BBOO  BHZ  AU  --  +   a 255.46  37.41 ISC       BBOO 
  QIS   BHZ  AU  --  +   a 276.13  37.97 ISC       QIS  
  WC3   BHZ  AU  --  -   a 273.82  42.68 ISC       WC3  
  WRAB  B?Z  IR      D     273.84  42.71 MOS       WRAB 
  WR1   BHZ  AU  --  -   a 273.82  42.72 ISC       WR1  
  WB5   BHZ  AU  --  -   a 273.93  42.72 ISC       WB5  
  WB7   BHZ  AU  --  -   a 273.98  42.73 ISC       WB7  
  WB6   BHZ  AU  --  -   a 273.96  42.73 ISC       WB6  
  WB9   BHZ  AU  --  -   a 274.05  42.74 ISC       WB9  
  MTN   BHZ  AU  --  -   a 280.60  48.71 ISC       MTN  
  KNRA  BHZ  AU  --  -   a 275.86  49.36 ISC       KNRA 
  FITZ  BHZ  AU  --  -   a 271.31  50.95 ISC       FITZ 
  MORW  BHZ  AU  --  +   a 254.46  54.97 ISC       MORW 
  JOW   BHZ  JP  --  -   a 313.44  76.11 ISC       JOW  
  SNAA  BHZ  GE  --  -   a 178.97  77.47 ISC       SNAA 
  VLA   B?Z  IR      D     326.68  86.21 MOS       VLA  
  FRD   BHZ  AZ  --  -   a  48.20  87.57 ISC       FRD  
  GYA   ???  IR      c     300.64  90.69 BJI       GYA  

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