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
  QRZ   HHZ  NZ  10  +   a 253.12   0.71 ISC       QRZ  
  SNZO  BHZ  IU  00  +   a 125.77   1.19 ISC       SNZO 
  OUZ   HHZ  NZ  10  +   a   1.47   5.39 ISC       OUZ  
  WRKA  BHZ  AU  --  -   a 278.38  40.53 ISC       WRKA 
  QSPA  BHZ  IU  70  -   a 180.05  49.51 ISC       QSPA 
  QSPA  BHZ  IU  10  -   a 180.05  49.51 ISC       QSPA 
  QSPA  BHZ  IU  60  -   a 180.05  49.51 ISC       QSPA 
  QSPA  BHZ  IU  00  -   a 180.05  49.51 ISC       QSPA 
  QSPA  HHZ  IU  85  -   a 180.05  49.51 ISC       QSPA 
  VNA3  BHZ  AW  --  +   a 178.92  68.42 ISC       VNA3 
  VNA2  BHZ  AW  --  +   a 179.71  68.76 ISC       VNA2 

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