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
  PMG   BHZ  IU  00  -   a 173.49   3.58 ISC       PMG  
  PMG   BHZ  IU  60  -   a 173.49   3.58 ISC       PMG  
  PMG   HHZ  IU  10  -   a 173.49   3.58 ISC       PMG  
  PMG   BHZ  IU  10  -   a 173.49   3.58 ISC       PMG  
  RABL  BHZ  AU  --  -   a  73.48   5.63 ISC       RABL 
  MTSU  SHZ  AU  --  -   a 190.75  12.47 ISC       MTSU 
  KDU   BHZ  AU  --  +   a 243.17  15.64 ISC       KDU  
  QIS   BHZ  AU  --  -   a 204.69  16.20 ISC       QIS  
  WRAB  BHZ  II  10  -   a 219.54  18.48 ISC       WRAB 
  WRAB  BHZ  II  00  -   a 219.54  18.48 ISC       WRAB 
  AS07  SHZ  AU  --  -   a 213.46  21.58 ISC       AS07 
  AS19  SHZ  AU  --  -   a 213.41  21.62 ISC       AS19 
  LCRK  BHZ  AU  --  -   a 197.14  25.77 ISC       LCRK 
  WRKA  BHZ  AU  --  +   a 220.86  26.03 ISC       WRKA 
  HNS   ???  IR      c     327.76  52.37 BJI       HNS  

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