[rescue] Radio DF equipment (was Ham radio license question)

[James Sharp]

> > Picture someone swinging a noise maker at the end of the rope.  As the
> > noisemaker approaches you on the swing, doppler shift increases...it
> > decreases as the noisemaker swings away.  Same concept, except the
> > noisemaker is stationary & the receiving point is moving.
> >
> So, it would actually be like tying myself to the end of a rope and having
> myself swung around in a circle while listening to a stationary noisemaker?
>

Yup.  But you don't get anywhere near as dizzy using this equipment.