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      -     139.02   8.14 ISC       MTN  
  KNA   ???  IR      -     161.61   9.49 ISC       KNA  
  MBL   ???  IR      -     200.88  15.45 ISC       MBL  
  JAY   ???  IR      +      75.19  15.55 ISC       JAY  
  ASPA  ???  IR      +     155.74  18.64 ISC       ASPA 
  CTA   ???  IR      -     125.67  24.00 ISC       CTA  
  PSI   ???  IR      +     288.63  28.32 ISC       PSI  
  TOO   ???  IR      +     152.45  35.63 ISC       TOO  
  WHN   ??Z  IR      -     344.25  38.59 ISC       WHN  
  NJ2   ??Z  IR      -     350.80  39.08 ISC       NJ2  
  DZM   ???  IR      d     115.56  42.18 ISC       DZM  
  TIY   ???  IR      -     345.35  45.88 ISC       TIY  
  LZH   ??Z  IR      -     335.79  47.24 ISC       LZH  
  GBA   ???  IR      -     292.96  51.96 ISC       GBA  
  NDI   ???  IR      d     309.49  58.43 ISC       NDI  
  MAIO  ???  IR      +     310.15  75.20 ISC       MAIO 
  SYO   ???  IR      +     201.26  82.38 ISC       SYO  

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