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
  CO06  H?Z  IR      C     136.66   0.18 GUC       CO06 
  CO05  H?Z  IR      D      37.03   0.78 GUC       CO05 
  GO04  H?Z  IR      D      66.68   0.92 GUC       GO04 
  GO04  BHZ   C  --  -   a  66.69   0.92 ISC       GO04 
  CO03  H?Z  IR      D     107.74   0.98 GUC       CO03 
  CO03  BHZ  C1  --  -   a 107.74   0.98 ISC       CO03 
  LCO   B?Z  IR      C      31.79   1.79 GUC       LCO  
  LCO   BHZ  IU  10  +   a  31.80   1.79 ISC       LCO  
  AC04  BHZ  C1  --  +   a  14.71   2.42 ISC       AC04 
  MT09  H?Z  IR      C     168.48   3.29 GUC       MT09 
  MT01  BHZ  C1  --  +   a 172.45   3.34 ISC       MT01 
  AC02  BHZ  C1  --  +   a  32.84   4.37 ISC       AC02 
  MLPR  BHZ  PR  --  -   a   6.03  48.45 ISC       MLPR 
  VNA2  BHZ  AW  --  +   a 158.25  53.12 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