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
  NMR   S?Z  IR      C       5.62   0.29 MOS       NMR  
  JKHN  ???  IR      D     271.06   0.39 JMA       JKHN 
  JAK   ???  IR      D     264.01   0.73 JMA       JAK  
  JNSB  ???  IR      D     324.73   0.86 JMA       JNSB 
  JNK   ???  IR      D     306.03   0.87 JMA       JNK  
  JRA   ???  IR      D     334.60   0.95 JMA       JRA  
  YUK   B?Z  IR      D       7.42   0.97 MOS       YUK  
  RUSJ  S?Z  IR      D     342.83   1.08 MOS       RUSJ 
  SHO   S?Z  IR      C      45.96   1.15 MOS       SHO  
  JOB   ???  IR      D     263.36   1.37 JMA       JOB  
  JAR   ???  IR      D     279.56   1.42 JMA       JAR  
  JTKR  ???  IR      D     305.21   1.57 JMA       JTKR 
  MK31  B?Z  IR      C     297.74  43.95 MOS       MK31 
  KURK  B?Z  IR      C     304.14  45.02 MOS       KURK 
  OBN   S?Z  IR      C     323.28  65.22 MOS       OBN  
  KBZ   B?Z  IR      C     310.97  69.44 MOS       KBZ  
  AKBB  B?Z  IR      C     323.11  71.48 MOS       AKBB 

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