﻿656 
  Directive 
  System 
  of 
  Wireless 
  Telegraphy. 
  

  

  Fig. 
  17. 
  

  

  MuCAOHfCMS 
  

  

  Fig. 
  18. 
  

  

  The 
  directive 
  system 
  described 
  presents 
  some 
  advantages 
  

   over 
  other 
  systems, 
  which 
  are 
  very 
  important 
  either 
  from 
  the 
  

   commercial 
  or 
  the 
  strategic 
  point 
  o£ 
  view. 
  

  

  