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
  CTAO  BHZ  IU  10  +   a 281.25  34.21 ISC       CTA  
  CTA   BHZ  AU  --  +   a 281.24  34.21 ISC       CTA  
  WRAB  B?Z  IR      D     273.59  44.31 MOS       WRAB 
  WB4   BHZ  AU  --  +   a 273.63  44.32 ISC       WB4  
  WB7   BHZ  AU  --  +   a 273.73  44.33 ISC       WB7  
  WB6   BHZ  AU  --  -   a 273.70  44.33 ISC       WB6  
  WB0   BHZ  AU  --  +   a 273.83  44.35 ISC       WB0  
  SNAA  BHZ  GE  --  +   a 178.37  76.67 ISC       SNAA 
  YSS   S?Z  IR      C     334.15  86.14 MOS       YSS  
  PAH   HHZ  NN  --  -   a  41.10  89.49 ISC       PAHR 
  HABR  B?N  IR      C     330.81  90.41 MOS       HABR 
  TIA   ???  IR      d     312.83  91.09 BJI       TIA  

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