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Old July 21st 17, 10:32 PM posted to rec.radio.amateur.antenna
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Default Supporting theory that Antennas "Match" to 377 Ohms (Free space)

The reason we don't match the antennas to the impedance of free-space is very simple, it all has to do with Industry standards, manufacturing, and application. If you increase the impedance of the coax to match a 377Ω antenna and transceiver, the design of the coax would demand that you increase the dielectric diameter ≈ 230 times in order to preserve the current capacity of the center conductor.

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