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
  HNR   ???  IR      +     303.11   1.45 ISC       HNR  
  DZM   ???  IR      c     157.42  12.81 ISC       DZM  
  CTA   ???  IR      d     234.00  17.41 ISC       CTA  
  BRS   ???  IR      +     203.75  18.82 ISC       BRS  
  WB2   ???  IR      +     246.38  27.60 ISC       WB2  
  WRA   ???  IR      +     246.39  27.61 ISC       WRA  
  ASPA  ???  IR      +     239.34  29.24 ISC       ASPA 
  ADE   ???  IR      +     216.28  32.04 ISC       ADE  
  MBL   ???  IR      +     249.58  41.14 ISC       MBL  
  KLGA  ???  IR      -     235.14  42.14 ISC       KLGA 
  MRWA  ???  IR      +     239.22  46.20 ISC       MRWA 
  IPM   ???  IR      -     280.73  61.66 ISC       IPM  
  SPA   ???  IR      +     180.00  79.83 ISC       SPA  
  GBA   ???  IR      -     284.43  86.38 ISC       GBA  
  CMB   ???  IR      -      50.76  87.28 ISC       CMB  

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