Free space and our systems of units?

December 9th 15, 06:00 PM posted to rec.radio.amateur.antenna

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Free space and our systems of units?

gareth wrote:
The impedance of Free Space is given as 377 ohms.

Surely if there's nothing there, that should be unity, suggesting that our
systems of units, newtons, volts, etc. are arbitrary and just plain wrong.

A hundred years or so of physics says stuff it.

--
Jim Pennino

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