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"gareth" wrote in message
... Ignoring, for the moment, travelling wave antenna, and restricting discussion to standing wave antennae ... A wave is launched, and radiates SOME of the power, and suffers both I2R losses and dielectric and permeability losses associated with creating and collapsing the near field. Of course, it goes without saying that the wave was already travelling up the feeder and it diffracts along the elements of the antenna, rather than being launched from the feedpoint! |
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