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 ...

Pictured is the antenna in temporary use by KNBI(AM) in Monterey, Calif. ... .0990 can transmit with up to 270 watts (carrier) with no ATU requirement due to its 50-ohm resonant design. A generous ...