Topband: DX-Enginneering Active Antenna System

[Joe Subich, W4TV]

> Bad assumption Joe.
> 
> "This unit was optimized for the 160 meter amateur band but 
> can be used from below the broadcast band to over 30MHz."
> 
> http://www.hizantennas.com/controller_4_elements.htm

That still doesn't answer the question.  The 8 element design 
could be used on any band but the phasing was such that it 
was correct only over a narrow band.  The W8JI "crossfire" 
design hold the phasing correct over more than an octave. 


73, 

   ... Joe, W4TV