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Old September 4th 06, 08:55 PM posted to rec.radio.amateur.antenna
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Default Is antenna a transducer to 377 ohms?

David wrote:
The feedpoint impedance of an antenna is usually 50 or 75 ohms.


The feedpoint impedance of a resonant standing wave
antenna is a result of interference/superposition and
is a virtual impedance equal to

(Vfor-Vref)/(Ifor+Iref)

The characteristic impedance of a standing wave antenna
is actually several hundred ohms.
--
73, Cecil http://www.w5dxp.com
 
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