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
  ZON   ???  IR      -      82.37   0.43 ISC       ZON  
  JACH  ???  IR      d     227.87   1.61 ISC       JACH 
  FCH   ???  IR      d     208.49   1.96 ISC       FCH  
  PEL   ???  IR      c     219.40   2.00 ISC       PEL  
  BACH  ???  IR      d     212.22   2.07 ISC       BACH 
  ROCH  ???  IR      c     228.28   2.07 ISC       ROCH 
  PCH   ???  IR      d     209.00   2.31 ISC       PCH  
  TACH  ???  IR      d     215.60   2.53 ISC       TACH 
  LNV   ???  IR      c     218.19   3.01 ISC       LNV  
  RFA   ???  IR      -     169.56   3.21 ISC       RFA  
  LPB   ???  IR      +       3.98  15.04 ISC       LPB  
  SPA   ???  IR      -     180.00  58.57 ISC       SPA  
  LIC   ???  IR      -      70.43  71.71 ISC       LIC  
  KIC   ???  IR      -      70.49  72.02 ISC       KIC  
  BUL   ???  IR      d     111.06  85.99 ISC       BUL  
  BNG   ???  IR      -      85.05  90.36 ISC       BNG  

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