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
  TATJ  ???  IR      C     303.02   0.14 JMA       TATJ 
  JKUC  ???  IR      C      33.79   0.24 JMA       JKUC 
  BSO4  ???  IR      C      82.10   0.25 JMA       BSO4 
  KTR   ???  IR      C      50.31   0.30 JMA       KTR  
  BSO3  ???  IR      C     111.22   0.42 JMA       BSO3 
  JOD2  ???  IR      D     291.89   0.83 JMA       JOD2 
  BSO1  ???  IR      D     110.91   0.83 JMA       BSO1 
  JIZS  ???  IR      D     256.31   0.98 JMA       JIZS 
  JMKN  ???  IR      D     199.14   1.12 JMA       JMKN 
  JFNN  ???  IR      D     282.53   1.13 JMA       JFNN 
  JYN   ???  IR      D     294.36   1.33 JMA       JYN  
  MAJO  HHZ  IU  10  -   a 317.38   2.17 ISC       MAJO 
  MAJO  BHZ  IU  10  -   a 317.38   2.17 ISC       MAJO 
  INU   BHZ   G  00  -   a 279.94   2.49 ISC       INU  
  MK31  ???  IR      c     303.71  44.30 NNC       MK31 

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