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  BHZ  IU  10  +   a  46.02   0.28 ISC       SNZO 
  SNZO  HHZ  IU  10  +   a  46.02   0.28 ISC       SNZO 
  KHZ   HHZ  NZ  10  +   a 215.96   1.13 ISC       KHZ  
  QRZ   HHZ  NZ  10  -   a 294.76   1.59 ISC       QRZ  
  BKZ   HHZ  NZ  10  -   a  34.63   2.82 ISC       BKZ  
  RPZ   HHZ  NZ  10  +   a 227.37   3.33 ISC       RPZ  
  URZ   HHZ  NZ  10  -   a  33.30   3.84 ISC       URZ  
  ODZ   HHZ  NZ  10  +   a 216.75   4.49 ISC       ODZ  
  WRAB  BHZ  II  00  -   a 290.03  40.14 ISC       WRAB 
  QSPA  BHZ  IU  70  +   a 180.05  48.62 ISC       QSPA 
  QSPA  BHZ  IU  60  +   a 180.05  48.62 ISC       QSPA 
  QSPA  BHZ  IU  10  +   a 180.05  48.62 ISC       QSPA 
  SNAA  BHZ  GE  --  +   a 180.94  67.11 ISC       SNAA 
  VNA2  BHZ  AW  --  +   a 179.35  67.87 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