piclist 2001\02\20\100835a >
Thread: Directional transmitter
face BY : David VanHorn email (remove spam text)

>Only if you know the orientation of the loopstick relative to the wire.
>(Just turn around and face the other way and this system will think you are
>now outside the wire.

Flux within a solenoid is constant across the area, but outside, it falls
off rapidly.

I'm not sure how well this would work for a really large loop, but it works
well enclosing rooms.

Dave's Engineering Page: http://www.dvanhorn.org
Where's dave? http://www.findu.com/cgi-bin/find.cgi?kc6ete-9

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