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
  SHL   ???  IR      d     319.79   3.49 ISC       SHL  
  YYI   ???  IR      -       4.30   3.65 ISC       YYI  
  JHI   ???  IR      -     357.16   3.81 ISC       JHI  
  KOI   ???  IR      -      13.86   4.18 ISC       KOI  
  GBA   ???  IR      +     242.98  18.54 ISC       GBA  
  IPM   ???  IR      +     159.68  19.42 ISC       IPM  
  TSI   ???  IR      +     167.52  19.71 ISC       TSI  
  KAD   ???  IR      c     257.29  19.76 ISC       KAD  
  PSI   ???  IR      -     166.91  20.47 ISC       PSI  
  PPI   ???  IR      +     165.03  23.95 ISC       PPI  
  UKR   ???  IR      -     347.41  28.96 ISC       UKR  
  SEM   ???  IR      -     341.56  29.59 ISC       SEM  
  NVS   ???  IR      -     348.14  32.96 ISC       NVS  
  BKR   ???  IR      -     306.44  46.20 ISC       BKR  
  NAU   ???  IR      -     154.07  49.64 ISC       NAU  
  MEK   ???  IR      -     153.24  54.50 ISC       MEK  
  WRA   ???  IR      -     134.40  57.75 ISC       WRA  
  WB2   ???  IR      +     134.39  57.76 ISC       WB2  
  NWAO  ???  IR      -     157.76  59.66 ISC       NWAO 
  DAG   ???  IR      -     347.19  72.93 ISC       DAG  
  BNG   ???  IR      +     268.60  75.24 ISC       BNG  
  BUL   ???  IR      c     241.51  77.11 ISC       BUL  
  INK   ???  IR      +      16.15  82.56 ISC       INK  

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