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Old April 23rd 09, 10:32 PM posted to rec.radio.amateur.antenna
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Default Loading coils: was Dish reflector

Jim Lux wrote:
Roy Lewallen wrote:

Let's see how well the principles involved are understood.

What is the delay through a physically very small toroidal coil with
the same inductance as the solenoidal coil? Why?

As in a coil wound on a toroidal magnetic core? or a air cored solenoid
bent in a circle?


I'll say one wound on a magnetic core, simply to keep the size small,
the coupling tight, and the field confined. I don't, however, care how
long a piece of wire it's wound with.

Roy Lewallen, W7EL
 
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