dipole antenna

noun 0.738

horn antenna

noun 0.725

antenna

noun 0.666

antenna complex

noun 0.573

nanoantenna

noun 0.555

radio telescope

noun 0.537

induction coil

noun 0.535

radio beacon

noun 0.533

transmission line

noun 0.531

coil

noun 0.527

balun

noun 0.516

linear channel

noun 0.516

quarter-wave plate

noun 0.509

linac

noun 0.505

electromagnet

noun 0.505

parabolic reflector

noun 0.505

crystal radio

noun 0.504

counterpoise

noun 0.503

radio wave

noun 0.503

cardioid

noun 0.503

radio amateur

noun 0.503