Dipole antennas are easy, right? Just follow the formula, cut two pieces of wire, attach your feedline, and you’re on the air. But then again, maybe not. You’re always advised to cut t… ...

Mobile radios, such as for vehicles, use trunk- or roof-mounted monopole or dipole antennas. You also see monopole antennas on portable phones, pocket radios and walkie-talkies.

The dipole antenna is a half-wavelength structure made of wire, tubing, printed-circuit board (PCB) copper, or some other conductive material. It is divided into two equal quarter wavelengths and ...