[R-390] Fractal Antennas

William J. Neill wjneill at consolidated.net
Wed Jan 12 12:19:05 EST 2011


Within the past 45 days, NOVA broadcast a program about fractals as a mathematical concept and the program concluded with perhaps ten minutes devoted to fractal antennae and the research devoted thereto.

Bill Neill
Conroe, Texas


On Jan 11, 2011, at 11:39 PM, GARY WEBB wrote:

> I have a 73 magazine from Sept. 1998.  There is an article  by Chip Cohen N1JR .
> "Multibanding the Fracvert Half-wave."  He describes a wire vertical for 20 meters 
> that can also be used on 40, 30,17,15,12, & 10.  Simple antenna:  Feed section
> (vertical) is 11.8 ft,  Horizontal section 17.4 ft.  Top section (vertical) 23.6 ft.
> Radials were 17.5 ft wires around the base of the vertical feed section. 
> I have done many searches for HF fractal antennas on the internet.  There are 
> some articles that don't require a math degree to understand.  But I get the 
> feeling that any articles that gave details of the construction of one have been
> removed.  I believe that Chip N1JR founded a company to develop and build 
> antennas for the military and commercial interests.    I remember seeingthe 10 meter
> beam article too, but good luck with googling it.
>  
> Gary Webb NI9V



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