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
  DZM   ???  IR      c     277.88  12.62 ISC       DZM  
  RMQ   ???  IR      -     259.09  28.19 ISC       RMQ  
  WB5   ???  IR      -     266.81  42.30 ISC       WB5  
  WRA   ???  IR      -     266.70  42.31 ISC       WRA  
  MTN   ???  IR      +     274.87  47.43 ISC       MTN  
  NANU  ???  IR      -     257.57  58.61 ISC       NANU 
  SPA   ???  IR      +     180.00  65.74 ISC       SPA  
  MHC   ???  IR      +      43.24  82.39 ISC       MHC  
  CMB   ???  IR      +      43.31  83.61 ISC       CMB  
  WDC   ???  IR      +      40.26  83.88 ISC       WDC  
  MIN   ???  IR      +      40.89  84.29 ISC       MIN  

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