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
  CYA   ???  IR      +     125.24   1.00 ISC       CYA  
  RTLL  ???  IR      +     203.32   3.77 ISC       RTLL 
  TCA   ???  IR      +     152.26   3.93 ISC       TCA  
  CFA   ???  IR      +     199.00   3.95 ISC       CFA  
  RTCB  ???  IR      +     206.12   4.04 ISC       RTCB 
  ZON   ???  IR      +     204.32   4.04 ISC       ZON  
  PEL   ???  IR      c     211.99   6.27 ISC       PEL  
  BACH  ???  IR      c     209.72   6.36 ISC       BACH 
  PCH   ???  IR      c     208.64   6.60 ISC       PCH  
  CHCH  ???  IR      d     208.15   6.92 ISC       CHCH 
  ZOBO  ???  IR      +     353.34  11.61 ISC       ZOBO 
  SPA   ???  IR      -     180.00  62.30 ISC       SPA  
  BNG   ???  IR      +      83.90  87.88 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