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

rescue at sunhelp.org rescue at sunhelp.org
Tue Jun 12 23:47:24 CDT 2001

OK, so how does it determine direction?  The only reason 
I ask besides being brain dead at times is that I've 
seen so much crap in ARRL books and ham magazines about 
certain areas that I'm a bit skeptical when I hear 
claims that devices work "this way (tm)".
> > > 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.
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