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
  FRU   ???  IR      +     238.60   3.74 ISC       FRU  
  FRU   SPZ  IR      C     238.60   3.74 MOS       FRU  
  SEM   SPZ  IR      D       8.48   5.61 MOS       SEM  
  TAS   ???  IR      -     246.78   7.91 ISC       TAS  
  TAS   SPZ  IR      D     246.78   7.91 MOS       TAS  
  MOY   ???  IR      -      57.22  16.14 ISC       MOY  
  MOY   SPZ  IR      D      57.22  16.14 MOS       MOY  
  GTA   ???  IR      +     102.14  16.39 ISC       GTA  
  SVE   ???  IR      -     322.73  16.58 ISC       SVE  
  SVE   SPZ  IR      D     322.73  16.58 MOS       SVE  
  VAN   ???  IR      -     253.39  17.08 ISC       VAN  
  VAN   SPZ  IR      D     253.39  17.08 MOS       VAN  
  BKR   ???  IR      -     275.65  25.87 ISC       BKR  
  BKR   SPZ  IR      D     275.65  25.87 MOS       BKR  
  GBA   ???  IR      +     182.86  31.18 ISC       GBA  
  YAK   ???  IR      -      41.17  33.67 ISC       YAK  
  YAK   SPZ  IR      D      41.17  33.67 MOS       YAK  
  KHE   ???  IR      -     354.37  36.62 ISC       KHE  
  KHE   SPZ  IR      D     354.37  36.62 MOS       KHE  
  SQTA  ???  IR      -     298.24  45.73 ISC       SQTA 
  BCAO  ???  IR      +     251.43  66.17 ISC       BCAO 

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