Re: free space as a transmission medium

Jamie Morken wrote:
>
> Hi,
>
> I was reading through the ARRL uhf/microwave experimenter's manual
> and came across this formula for the propagation velocity in a
> transmission medium:
>
> v = 1/sqrt(LC)
>
> and substituting the values for L and C for free space:
>
> v = 1/sqrt(ue) where u and e are permeability and permittivity
>
> u= 4*pie*10^7 (H/m)
> e= (1/36)*pie*10^9 (F/m)
>
> So does the value of pie determine the speed of light in free space
> or am I reading this wrong?

Hmm. c = 1.8*10^12 furlongs per fortnight. Looks OK to me.

--
Paul Hovnanian mailto:Paul@xxxxxxxxxxxxx
------------------------------------------------------------------
Parity on, dudes!
.

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