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
  NVL   ???  IR      -     146.40  21.14 ISC       NVL  
  SPA   ???  IR      +     180.00  33.52 ISC       SPA  
  SLA   ???  IR      -     300.64  43.15 ISC       SLA  
  BAO   ???  IR      +     327.79  44.46 ISC       BAO  
  YJA   ???  IR      +     302.49  45.33 ISC       YJA  
  SBA   ???  IR      +     183.52  45.54 ISC       SBA  
  TPZ   ???  IR      +     302.76  46.03 ISC       TPZ  
  MIR   ???  IR      +     152.02  48.73 ISC       MIR  
  LPB   ???  IR      +     303.34  51.41 ISC       LPB  
  ZOBO  ???  IR      -     303.47  51.66 ISC       ZOBO 
  ARE   ???  IR      +     299.80  53.07 ISC       ARE  
  ATB   ???  IR      +     327.42  57.42 ISC       ATB  
  BNG   ???  IR      -      46.99  70.51 ISC       BNG  
  UPA   ???  IR      c     305.18  79.13 ISC       UPA  

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