Ford Peterson wrote:
> Lately I've been pondering the notion of the impedance of free space. I'm
> told that the characteristic impedance of free space is 377 ohms. I have no
> idea where that comes from, or how it is measured.
It is the ratio of electric intensity to magnetic intensity,
in the "far" or "radiation" field.
> Is there any intrinsic loss attributable to coupling a relatively low
> impedance system to
> the high impedance of free space?
No, there isn't.
> is there any benefit to using a higher impedance system?
No.
73,
Sinisa YT1NT, VE3EA
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