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      +     157.30   0.85 ISC       RTCB 
  RTLL  ???  IR      +     135.62   0.88 ISC       RTLL 
  CFA   ???  IR      +     137.96   1.22 ISC       CFA  
  VCA   ???  IR      -      24.02   2.14 ISC       VCA  
  PEL   ???  IR      c     207.07   2.75 ISC       PEL  
  FCH   ???  IR      d     199.25   2.78 ISC       FCH  
  BACH  ???  IR      c     202.25   2.87 ISC       BACH 
  SAN   ???  IR      c     203.99   3.02 ISC       SAN  
  PCH   ???  IR      d     200.65   3.12 ISC       PCH  
  TACH  ???  IR      c     206.17   3.29 ISC       TACH 
  CYA   ???  IR      +      53.58   3.71 ISC       CYA  
  LNV   ???  IR      c     209.42   3.75 ISC       LNV  
  TCA   ???  IR      -     100.33   4.00 ISC       TCA  
  RFA   ???  IR      -     171.58   4.11 ISC       RFA  
  SLA   ???  IR      +      29.67   6.79 ISC       SLA  
  VBA   ???  IR      +     142.84   9.45 ISC       VBA  
  BAO   ???  IR      +      57.08  24.53 ISC       BAO  
  SPA   ???  IR      -     180.00  59.48 ISC       SPA  
  BUL   ???  IR      c     111.13  86.33 ISC       BUL  
  BNG   ???  IR      -      85.06  90.30 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