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Re: "Background Impedance of Universe"



Original poster: "Gerry Reynolds" <gerrytesla@xxxxxxx>

Hi Dave,

The "background impedance of the universe", to me, sounds like the "intrinsic impedance of free space" (a vacuum) which is defined as sqrt (u0/eo) = 377 ohms. Don't know if these are the same, but if not then that might be a source of disagreement.

Gerry R
> > Original poster: <mailto:Davetracer@xxxxxxx>Davetracer@xxxxxxx
> > B-2 bomber. One person said, "The impedance across the wingspan is 133
> > ohms". Another nodded and said, "That's because that is the background
> > impedance of the universe."
> >
> >      To this day I don't understand this. Help?
> >
> >      [And I have been told in no uncertain times that the figure of 133
> > ohms is wrong.]