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#24
December 2nd 06, 08:32 PM
posted to rec.radio.amateur.antenna
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Yagi efficiency
RADIATED VERSUS LOSSES
John Smith wrote: Dave wrote: If a simple dipole is fed with 100 watts and radiates 95 watts, it is 95% efficient. How are you measuring the antennas "output" or "radiated power?" --and-- How much of that 95 watts is spent in heating the dielectrics and metal (or is that "missing" 5 watts the heating power? And, how did you measure that?) JS |
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