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
  YSS   S?Z  IR      C      34.54   4.80 MOS       YSS  
  YUK   S?Z  IR      C      76.93   5.23 MOS       YUK  
  MAJO  ???  IR      c     184.09   6.53 NEIC      MAJO 
  MAT   ???  IR      c     184.09   6.53 NEIC      MAT  
  KLR   S?Z  IR      C     324.06   7.86 MOS       KLR  
  KS15  ???  IR      c     239.65  10.04 NEIC      KS15 
  MA2   M?Z  IR      C      19.89  18.10 MOS       MA2  
  ULN   S?Z  IR      D     293.25  22.67 MOS       ULN  
  KMI   S?Z  IR      D     250.46  34.47 MOS       KMI  
  NANT  ???  IR      C     244.99  40.15 BKK       NANT 
  KKTK  ???  IR      D     240.12  40.56 BKK       KKTK 
  BRVK  ???  IR      d     307.68  45.20 MOS       BRVK 
  TKM2  ???  IR      d     292.52  45.21 NEIC      TKM2 
  EKS2  ???  IR      d     292.93  46.54 NEIC      EKS2 
  SVE   S?Z  IR      D     314.86  49.38 MOS       SVE  
  INK   ???  IR      c      29.00  50.01 NEIC      INK  
  ARU   S?Z  IR      D     314.88  50.59 MOS       ARU  
  KIV   ???  IR      c     307.90  65.52 MOS       KIV  
  CLL   ???  IR      -     328.17  74.89 CLL       CLL  
  DUG   ???  IR      d      48.83  74.92 NEIC      DUG  

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