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
  TUC   BHZ  IU  60  +   a 163.42   2.85 ISC       TUC  
  TUC   BHZ  IU  10  +   a 163.42   2.85 ISC       TUC  
  TUC   HHZ  IU  10  +   a 163.42   2.85 ISC       TUC  
  MVCO  BHZ  US  00  -   a  49.90   3.40 ISC       MVCO 
  PFO   BHZ  II  10  -   a 251.10   4.16 ISC       PFO  
  PFO   BHZ  AZ  --  -   a 251.13   4.16 ISC       PFO  
  PFO   HHZ  AZ  --  -   a 251.13   4.16 ISC       PFO  
  ANMO  HHZ  IU  10  +   a  89.87   4.34 ISC       ANMO 
  ANMO  BHZ  IU  00  +   a  89.87   4.34 ISC       ANMO 
  ANMO  BHZ  IU  10  +   a  89.87   4.34 ISC       ANMO 
  DUG   BHZ  US  00  +   a 350.94   5.21 ISC       DUG  
  MNTX  BHZ  US  00  -   a 120.36   6.29 ISC       MNTX 
  SRIG  BHZ  MX  --  -   a 183.29   7.72 ISC       SRIG 

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