On 10 Apr 2004 14:59:24 GMT, PAMNO (N2EY) wrote:
I don't think anyone could stumble onto a 5 band antenna by
simple cut and try.
I disagree! I think it not only could happen, but probably has happened
already, through a fortuitous combination of many factors.

Name one that works. And by works, is resonant in each band, and not
simply tuneable (as would be a common doublet).

But being able to come up with such a design that is well-documented and
reproducible is a whole 'nother thing. The Lattin antenna is a perfect example
of that.

Hi Jim,

The notion of a trapped antenna on the basis of resonant stubs
constructions is not shown in the data of my work to date, and
certainly not in the Lattin (insofar as the only interpretation
generally available on the net, setting the patent aside that is).

One of the key points goes to this notion of stub action. However,
the stub is not excited across its mouth, but along its length. This
is very distinctly exhibited in the numbers (the lack of correlation
of stub geometry to resonances). The constructions merely appear to
fatten a thin radiator and add capacitances and inductances that are
basically opportunistic - certainly no one has shown any correlations
that fit the geometries to the bands they are presumed to resonate to.

Hence my statement that caught your fancy. The Stub resonances
"should" explain the bands obtainable, and yet there has been
absolutely no supporting evidence to demonstrate that this occurs.

It does hold my interest, however, and I am hardly one to be put off
by failure's of other's theories - not with my more than 300 pages of
fractal data published in the face of fractal fools who confine
themselves to bragging about their science.

73's
Richard Clark, KB7QHC