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
  SLA   H?Z  IR      D     104.86   1.59 GUC       SLA  
  PB15  HHZ  CX  --  +   a 297.49   2.37 ISC       PB15 
  PB06  HHZ  CX  --  +   a 305.87   2.71 ISC       PB06 
  PB14  BHZ  CX  --  +   a 263.44   2.94 ISC       PB14 
  PB14  HHZ  CX  --  +   a 263.44   2.94 ISC       PB14 
  PB09  HHZ  CX  --  +   a 322.67   3.14 ISC       PB09 
  PB10  HHZ  CX  --  +   a 283.97   3.18 ISC       PB10 
  PB10  BHZ  CX  --  +   a 283.97   3.18 ISC       PB10 
  PB04  H?Z  IR      C     305.45   3.36 GUC       PB04 
  PB04  BHZ  CX  --  +   a 305.45   3.36 ISC       PB04 
  PB04  HHZ  CX  --  -   a 305.45   3.36 ISC       PB04 
  PB07  H?Z  IR      C     315.60   3.58 GUC       PB07 
  PB07  HHZ  CX  --  +   a 315.60   3.58 ISC       PB07 
  PB01  HHZ  CX  --  +   a 326.53   3.89 ISC       PB01 
  PB02  HHZ  CX  --  +   a 319.60   3.89 ISC       PB02 
  PATCX HHZ  CX  --  -   a 321.26   4.43 ISC       PATCX
  PB08  HHZ  CX  --  +   a 336.01   4.54 ISC       PB08 
  PB08  BHZ  CX  --  +   a 336.01   4.54 ISC       PB08 
  LPAZ  BHZ  GT  00  -   a 353.53   8.04 ISC       LPAZ 
  LPAZ  SHZ  GT  10  +   a 353.53   8.04 ISC       LPAZ 

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