Topband: DX-Enginneering Active Antenna System

[Bill Tippett]

On Fri, Oct 2, 2009 at 10:58 AM, Joe Subich, W4TV <lists at subich.com> wrote:
>
> Assuming the technology of the K7JTR 4 sq controller is the same
> as his 8 antenna design it is a single band design where the DXE
> (W8JI) controller uses crossfire phasing which works on both 160
> and 80 meters.

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

Before someone asks, it is not an exact copy of W8JI's system (which
is patented).

73,  Bill