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
  CGA2  S?Z  IR      C     123.58   0.49 UCR       CGA2 
  JCR   S?Z  IR      C     207.29   0.49 UCR       JCR  
  HDC   BHZ   G  00  -   a 110.64   0.81 ISC       HDC  
  QCR   S?Z  IR      C     140.57   1.11 UCR       QCR  
  BUS   S?Z  IR      C     123.32   1.33 UCR       BUS  
  ACON  HHZ  NU  --  +   a 350.28   1.69 ISC       ACON 
  BOAB  BHZ  NU  --  +   a 340.37   2.28 ISC       BOAB 
  BOAB  HHZ  GE  --  +   a 340.37   2.28 ISC       BOAB 
  BOAB  BHZ  GE  --  -   a 340.37   2.28 ISC       BOAB 
  COPN  S?Z  IR      D     318.39   2.52 UCR       COPN 
  CNGN  S?Z  IR      C     321.13   2.83 UCR       CNGN 
  ESTN  BHZ  NU  --  +   a 332.61   3.15 ISC       ESTN 
  TGUH  BHZ  CU  00  +   a 328.26   4.41 ISC       TGUH 
  SDV   BHZ  IU  10  +   a  94.47  14.12 ISC       SDV  

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