Antennas are an essential part of radio telecommunications equipment, bridging the gap between electronic and electromagnetic signals. The shape and size of an antenna is a strong clue as to its type, ...

Meaning "two poles," a dipole antenna is the simplest type of antenna, consisting of an electrically conducting wire or rod one half the length of the maximum desired wavelength. The wire or rod is ...

NPR Labs has been testing coverage and signal strength of antennas for the Boston Acoustics Recepter HD radio. Initial results, based on tests using five Washington-Baltimore stations, have been ...