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
  VUN   ???  IR      +     344.25   5.95 ISC       VUN  
  DZM   ???  IR      c     274.90  12.75 ISC       DZM  
  CTA   ???  IR      -     269.98  31.62 ISC       CTA  
  TZZ   ???  IR      -     289.93  41.73 ISC       TZZ  
  ASPA  ???  IR      -     260.43  42.20 ISC       ASPA 
  WB2   ???  IR      -     265.94  42.55 ISC       WB2  
  WRA   ???  IR      -     265.94  42.56 ISC       WRA  
  MTN   ???  IR      +     274.19  47.59 ISC       MTN  
  KLB   ???  IR      +     247.12  55.17 ISC       KLB  
  MEKA  ???  IR      +     253.21  55.36 ISC       MEKA 
  MBL   ???  IR      +     259.96  55.44 ISC       MBL  
  BAL   ???  IR      +     248.12  56.21 ISC       BAL  
  MAT   ???  IR      c     325.50  71.87 ISC       MAT  
  IPM   ???  IR      +     278.50  81.89 ISC       IPM  
  CMB   ???  IR      +      43.25  83.01 ISC       CMB  
  WDC   ???  IR      +      40.20  83.27 ISC       WDC  
  CHTO  ???  IR      -     290.59  89.76 ISC       CHTO 

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