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
  MTN   ???  IR      -     170.75  15.54 ISC       MTN  
  ASPA  ???  IR      +     169.10  26.61 ISC       ASPA 
  IPM   ???  IR      -     274.67  27.59 ISC       IPM  
  LOE   ???  IR      -     300.94  30.21 ISC       LOE  
  CHG   ???  IR      -     301.14  33.20 ISC       CHG  
  KMI   ???  IR      -     314.24  33.50 ISC       KMI  
  MAT   ???  IR      d      13.58  34.92 ISC       MAT  
  STK   ???  IR      -     161.22  36.44 ISC       STK  
  BRS   ???  IR      -     143.59  37.84 ISC       BRS  
  ADE   ???  IR      +     166.63  38.55 ISC       ADE  
  YYI   ???  IR      +     309.43  40.32 ISC       YYI  
  DZM   ???  IR      c     125.52  44.36 ISC       DZM  
  GTA   ???  IR      -     328.18  45.03 ISC       GTA  
  HYB   ???  IR      -     290.22  51.26 ISC       HYB  
  GBA   ???  IR      -     285.22  51.71 ISC       GBA  
  NDI   ???  IR      d     303.38  55.30 ISC       NDI  
  MAIO  ???  IR      -     307.35  71.70 ISC       MAIO 

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