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#12
September 11th 15, 06:48 PM
posted to rec.radio.amateur.antenna
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The nature of Free Space (Once called, "The Lumeniferous Aether")
"rickman" wrote in message
... There is no contradiction there. Current is not power. Power is voltage times current. Since the impedance of a short antenna is not the same as the impedance of a larger antenna, it makes perfect sense that the current for a given power level will not be the same. Feed 1kW into your 472kHz antenna and get only 1W erp, most of the high current driving the ohmic resistance and not the radiation resistance |
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