Michael Coslo wrote:
Cecil Moore wrote:
If you would just look at my simple stub example, you would
understand where those missing degrees are. They are at the
coil to stinger junction and may represent more than half
the degrees in the antenna. The coil represents a good portion
of the rest of the degrees. The stinger is usually about 11
degrees long.

I don't understand. At the junction between the two?

The loading coil has a Z0 in the thousands of ohms, e.g.
about 4000 ohms for my 75m Texas Bugcatcher coil. The
stinger's Z0 is a few hundred ohms, e.g. 350 ohms. There
will be a phase shift at the 4000 ohm to 350 ohm junction.
It is a free, lossless phase shift from Mother Nature.

Does this mean that an extremely short antenna could be built that
consisted of several small coils, and lots of junctions?

No, you gain degrees at the high to low impedance junction.
You *lose degrees* at the low to high impedance junction.
That's why you need more coil for a center-loaded antenna
than you do for a base-loaded antenna.

And remember that the radiation efficiency depends upon
*physical* length, not electrical length.
--
73, Cecil http://www.w5dxp.com