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
  SNAA  BHZ  GE  --  +   a 155.76  18.72 ISC       SNAA 
  SYO   BHZ  PS  --  +   a 140.72  31.61 ISC       SYO  
  QSPA  BHZ  IU  00  +   a 179.98  34.11 ISC       QSPA 
  QSPA  BHZ  IU  80  +   a 179.98  34.11 ISC       QSPA 
  QSPA  HHZ  IU  70  +   a 179.98  34.11 ISC       QSPA 
  QSPA  BHZ  IU  70  +   a 179.98  34.11 ISC       QSPA 
  QSPA  HHZ  IU  10  +   a 179.98  34.11 ISC       QSPA 
  QSPA  BHZ  IU  10  +   a 179.98  34.11 ISC       QSPA 
  MAW   BHZ  AU  --  +   a 143.55  40.17 ISC       MAW  
  CVNA  BHZ  AF  --  +   a  73.14  40.93 ISC       CVNA 
  VNDA  BHZ  GT  00  +   a 182.78  46.48 ISC       VNDA 
  LPAZ  BHZ  GT  00  +   a 305.56  50.31 ISC       LPAZ 
  LSZ   BHZ  IU  00  -   a  69.07  58.54 ISC       LSZ  
  LSZ   BHZ  IU  10  -   a  69.07  58.54 ISC       LSZ  

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