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
  BOG   ???  IR      -     206.37   2.48 ISC       BOG  
  SDV   ???  IR      +      48.70   3.06 ISC       SDV  
  GUAC  ???  IR      -      59.12   6.53 ISC       GUAC 
  OLLA  ???  IR      +      62.30   6.86 ISC       OLLA 
  CAR   ???  IR      -      58.28   6.98 ISC       CAR  
  ZOBO  ???  IR      +     168.26  23.47 ISC       ZOBO 
  LPB   ???  IR      +     168.34  23.73 ISC       LPB  
  CNCB  ???  IR      +     168.22  24.03 ISC       CNCB 
  BAO   ???  IR      -     132.25  33.34 ISC       BAO  
  LRM   ???  IR      -     325.45  51.64 ISC       LRM  
  FFC   ???  IR      -     339.40  53.11 ISC       FFC  
  BKS   ???  IR      +     312.31  54.19 ISC       BKS  

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