On 22 Sep, 12:33, "Richard Fry" wrote:
"art" wrote

A quad radiator is a wave length radiator with a gain more
than a half wave as one sample.

In your first post you wrote, "The most efficient radiator is one wave
length long where it is considered to be in equilibrium with a parallel
electrical cuircuit," and that is what I responded to.

Now you are writing about gain. Efficiency and gain are not synonymous.

Both of the dipole antennas in my previous post will radiate nearly 100% of
the r-f energy available from a matched, balanced source connected to their
input terminals. Therefore the radiation efficiency of those two
configurations does not favor the 1-wave over the 1/2-wave, which was your
opening premise.

They won't have the same gains in every direction, because their radiation
patterns are different. Same for your quad and "half wave" example.

RF

O.K. I may have muddied things. I hold to the fact that a one
wavelength dipole will always radiate at a higher efficiency than a
1/2 wave dipole. The example I gave as for an instance was a quad
versus a 1/2 wave dipole.
This is readily seen by any operator empirically. Mathematically it is
proven that way also even tho both are in accordance to Maxwell's
laws. You could I suppose compare a series antenna with a parallel
circuit i.e. a tank circuit that could reinforce your point and that
is what I hoped you would come up with to bolster your point without
resorting to a computor program based on Maxwellian laws. There is
much discussion about what creates radiation and I thought you may
have come up with something that we can all learn from. Eventually
even tho the past masters have died some one, possibly you, will
discover that which has eluded all, even quallified scientists with
huge resumes. I am willing to give you a hearing which does not often
happen on this newsgroupAs an aside I suspect that a single quad
element will beat a dipole anyway regardles of what the fields
differences that you point to but again I am very interested in any
mathematics that defends your possition possibly starting witha
parallel versus a series arrangement since it is very clear whatstarts
radiation in the parallelcase but unknown mathematically for the
series circuit.
Very best regards
Art Unwin....KB9MZ