Re: Make your own linear scales

You are right, 12 times over!

Mariss

--- In CAD_CAM_EDM_DRO@y..., Spehro Pefhany <speff@i...> wrote:
> At 12:52 AM 3/2/02 +0000, you wrote:
>
> >Pick up the received signal from the microphone and compare it
> >against the transmitted signal. At 40kHz, the wave-lenght is
> >about .025".
>
> Hi, Mariss,
>
> I've been working on some (unrelated) sonar stuff recently. You're
> off by about 10:1 there, wavelength is more like 0.025 *foot*
> (about 1/3").
>
> Neat concept, though.
>
> Best regards,
>
> Spehro Pefhany --"it's the network..." "The Journey is
the reward"
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