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
  BMG   ???  IR      -       2.73   0.24 ISC       BMG  
  BOG   ???  IR      -     203.99   2.40 ISC       BOG  
  HOBC  ???  IR      -     231.14   3.91 ISC       HOBC 
  DIAC  ???  IR      +     221.54   4.69 ISC       DIAC 
  HOQC  ???  IR      -     226.78   4.86 ISC       HOQC 
  ANCC  ???  IR      -     229.01   5.00 ISC       ANCC 
  PURC  ???  IR      -     216.24   5.54 ISC       PURC 
  UPA   ???  IR      -     288.93   6.73 ISC       UPA  
  ZOBO  ???  IR      -     167.96  23.47 ISC       ZOBO 
  RSON  ???  IR      +     342.27  47.12 ISC       RSON 
  LRM   ???  IR      +     325.53  51.59 ISC       LRM  
  FRB   ???  IR      -       2.41  56.90 ISC       FRB  
  PNT   ???  IR      -     325.76  57.56 ISC       PNT  
  YKC   ???  IR      +     339.88  63.21 ISC       YKC  
  MBC   ???  IR      +     349.62  73.80 ISC       MBC  

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