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On 22 Sep, 07:22, "Richard Fry" wrote:
"art" wrote The most efficient radiator is one wave length long where it is considered to be in equilibrium with a parallel electrical cuircuit. For most efficient radiation both the capacitance and the inductance must act as a energy storage such that when the terminals are shorted the energy is released in a burst such that radiation can begin. ... In the case of a fractional wave length radiator the pendulum type radiation is not available for radiation ___________ Note (for one example of many) that in an antenna system consisting of a 1/2-wave, center-fed dipole driven by a matched, balanced transmission line, the dipole itself radiates virtually all of the r-f energy present at the antenna feedpoint. The radiation efficiency of a system as in the above example, but using a full wave dipole is no better than the 1/2-wave version, other things equal. The full wave version just has a different radiation pattern. RF I don't know what your credentials are for you to make such a statement but it is a free world after all! A quad radiator is a wave length radiator with a gain more than a half wave as one sample. Computor programing confirmes more radiation from full wave antennas and mathematics according to Maxwell,s rules substantiate it. I can understand not believing computor programs but I am very interested in any mathematical data that would support your stand which is contrary to the mathematics that I and others support. What you are stating is that an attena in a series cuircit format produces the same radiation as a parallel or tank cuircuit. I am more than eager to read the contrary mathematical proof that is contrary to the mathematics that I hold true. You may have hit on the true explaqnation of radiation which Einstein, Planck and many others went to their grave without solving it Regards Art KB9MZ.....XG |
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