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
  RTCB  ???  IR      -      72.57   0.44 ISC       RTCB 
  ZON   ???  IR      -      82.17   0.54 ISC       ZON  
  RTLL  ???  IR      -      67.83   0.76 ISC       RTLL 
  CFA   ???  IR      +      89.28   0.91 ISC       CFA  
  MDZ   ???  IR      +     163.26   1.32 ISC       MDZ  
  JACH  ???  IR      c     225.67   1.52 ISC       JACH 
  PEL   ???  IR      d     217.29   1.92 ISC       PEL  
  TLL   ???  IR      d     317.86   1.94 ISC       TLL  
  ROCH  ???  IR      d     226.62   1.98 ISC       ROCH 
  CHCH  ???  IR      c     205.92   2.57 ISC       CHCH 
  LCCH  ???  IR      c     225.42   2.66 ISC       LCCH 
  FSA   ???  IR      -      28.77   6.21 ISC       FSA  
  VBA   ???  IR      -     138.84   8.80 ISC       VBA  
  LPB   ???  IR      +       4.44  15.06 ISC       LPB  
  ARE   ???  IR      -     351.97  15.22 ISC       ARE  
  ATB   ???  IR      -      33.12  32.45 ISC       ATB  
  SPA   ???  IR      -     180.00  58.56 ISC       SPA  
  LIC   ???  IR      -      70.51  71.82 ISC       LIC  
  KIC   ???  IR      -      70.57  72.13 ISC       KIC  
  BUL   ???  IR      d     111.12  86.09 ISC       BUL  

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