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
  SNZO  HHZ  IU  10  -   a 207.16   0.32 ISC       SNZO 
  SNZO  BHZ  IU  10  +   a 207.16   0.32 ISC       SNZO 
  BFZ   HHZ  NZ  10  -   a  71.95   1.08 ISC       BFZ  
  KHZ   HHZ  NZ  10  -   a 215.72   1.73 ISC       KHZ  
  QRZ   HHZ  NZ  10  -   a 275.45   1.81 ISC       QRZ  
  BKZ   HHZ  NZ  10  -   a  33.90   2.22 ISC       BKZ  
  HIZ   HHZ  NZ  10  +   a 359.21   2.51 ISC       HIZ  
  URZ   HHZ  NZ  10  -   a  32.46   3.24 ISC       URZ  
  RPZ   HHZ  NZ  10  +   a 225.36   3.92 ISC       RPZ  
  ODZ   HHZ  NZ  10  +   a 216.37   5.09 ISC       ODZ  
  OUZ   HHZ  NZ  10  +   a 349.53   5.88 ISC       OUZ  

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