On Sat, Dec 07, 2002 at 01:14:41AM -0800, Alex A. wrote:
> Just to end the discussion:
>
> Doppler shift has nothing to do with radio waves.
> It is true only for sound waves including ultra and infra sound with the
> speed of 330-350 meters/sec depending on air conditions (based on this
> the police radar can count your speed, actually, there are many more
> uses for it).
>
Alex, you are wrong. The Doppler shift is used by astronomers to measure
the speed of receding galaxies, and by radars in combat aircraft and in
police cars.
Dave
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David Young OJC Technologies
[EMAIL PROTECTED] Engineering from the Right Brain
Urbana, IL * (217) 278-3933
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