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In rec.radio.amateur.antenna gareth wrote:
"gareth" wrote in message ... As we all know, the atmosphere greatly affects the propagation of radio waves, with all the various layers, and the effect of the Sun and sunspots on propagation through the atmosphere. Is it therefore not beyond the bounds possibility that this same atmosphere affects the initial propagation of radio waves away from our antennae, and that somehow is the reason why short antennae are poor radiators compared to antennae of significant (1/4 lambda) fractions of a wavelength? I know that I have attempted to discuss this before and been met by the hidebound rednecks of Yankland, but it is a question of interest to me, and not a troll. Were the chorus of replies to relate to the low radiation resistance, then then it raises the question of WHY is the radiation resistance low? Been explained many times. Refer to any text on electromagetics if you need a refresher. -- Jim Pennino |