Paladin wrote:
Now "WHY" wouldn't that type of set up WORK on the rear of a
car ??? Instead of using the car as the"ther half" of the
antenna.....you would have an "equal,balanced-shortened dipole" on a
special mount. Naturally,you would have to fix it so that you could
feed it in the center of the antenna. Would this "thing" work as a
mobile antenna??

Ground-mounted loaded verticals can work very well.
Very low loaded dipoles don't.
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73, Cecil http://www.w5dxp.com