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
  SHO   S?Z  IR      D      70.43   0.28 MOS       SHO  
  YUK   B?Z  IR      C     300.42   0.51 MOS       YUK  
  NMR   S?Z  IR      C     233.14   0.68 MOS       NMR  
  RUSJ  S?Z  IR      C     290.68   0.94 MOS       RUSJ 
  KUR   B?Z  IR      C      33.98   1.77 MOS       KUR  
  JMP   ???  IR      D     276.88   2.26 JMA       JMP  
  ERM   B?Z  IR      C     235.24   3.00 MOS       ERM  
  MAJO  S?Z  IR      C     223.96   9.60 MOS       MAJO 
  USA0B S?Z  IR      C     277.32  10.45 MOS       USA0B
  KLR   S?Z  IR      C     303.41  11.51 MOS       KLR  
  PEA0B S?Z  IR      C      34.59  11.93 MOS       PEA0B
  ULN   S?Z  IR      D     292.48  27.56 MOS       ULN  
  MK31  S?Z  IR      C     297.36  44.13 MOS       MK31 
  BRVK  S?Z  IR      D     309.21  49.15 MOS       BRVK 
  ARU   S?Z  IR      C     316.66  53.99 MOS       ARU  

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