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
  VNA3  BHZ  AW  --  -   a 160.09  17.88 ISC       VNA3 
  VNAC6 SHZ  AW  --  +   a 157.59  18.09 ISC       VNA2 
  VNAB5 SHZ  AW  --  -   a 157.57  18.09 ISC       VNA2 
  VNAC1 SHZ  AW  --  +   a 157.55  18.09 ISC       VNA2 
  VNAA1 SHZ  AW  --  +   a 157.57  18.10 ISC       VNA2 
  VNAB1 SHZ  AW  --  +   a 157.56  18.10 ISC       VNA2 
  VNAA3 SHZ  AW  --  +   a 157.58  18.10 ISC       VNA2 
  VNAB3 SHZ  AW  --  +   a 157.58  18.10 ISC       VNA2 
  VNAB2 SHZ  AW  --  +   a 157.57  18.10 ISC       VNA2 
  VNAC4 SHZ  AW  --  +   a 157.59  18.10 ISC       VNA2 
  VNAC3 SHZ  AW  --  +   a 157.57  18.11 ISC       VNA2 
  LPAZ  BHZ  GT  00  +   a 306.22  49.38 ISC       LPAZ 
  LBTB  BHZ  GT  00  +   a  75.02  49.55 ISC       LBTB 
  SAML  BHZ  IU  10  +   a 315.86  53.80 ISC       SAML 

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