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
  LIFNC HHZ  ND  00  +   a 225.98   2.66 ISC       LIFNC
  LIFNC BHZ  ND  00  +   a 225.98   2.66 ISC       LIFNC
  SANVU HHZ   G  00  +   a 329.79   3.99 ISC       SANVU
  PINNC BHZ  ND  00  -   a 204.84   4.05 ISC       PINNC
  DZM   BHZ   G  00  +   a 219.95   4.11 ISC       DZM  
  OUENC BHZ  ND  00  +   a 212.97   4.16 ISC       OUENC
  OUENC HHZ  ND  00  +   a 212.97   4.16 ISC       OUENC
  ONTNC BHZ  ND  00  +   a 217.79   4.28 ISC       ONTNC
  CTAO  BHZ  IU  00  -   a 263.13  21.74 ISC       CTA  
  CTAO  BHZ  IU  10  -   a 263.13  21.74 ISC       CTA  
  CTA   BHZ  AU  --  -   a 263.13  21.74 ISC       CTA  
  MTSU  SHZ  AU  --  -   a 267.85  23.68 ISC       MTSU 
  WRAB  BHZ  II  00  -   a 262.38  32.92 ISC       WRAB 
  KMI   ???  IR      c     301.82  78.15 BJI       KMI  
  ULN   BHZ  IU  10  +   a 323.36  86.64 ISC       ULN  

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