As [VA5MUD] demonstrates, a loading coil is simply an inductor that is placed somewhere along the length of the antenna which makes a shorter antenna behave as a longer antenna.

As [VA5MUD] demonstrates, a loading coil is simply an inductor that is placed somewhere along the length of the antenna which makes a shorter antenna behave as a longer antenna.

the B1322W and B1360W wideband mobile load coil antennas employ one-piece solid brass inserts, durable ABS injection molded housings, and weather-tight bases with built in 0-rings ...

PORTLAND, Ore. — Independent tests appear to support an inventor's claim that his skunk-works antenna design can shrink antenna size by up to 70 percent while maintaining equivalent sensitivity and ...