What Does Ground-Plane Antenna Mean?
A ground-plane antenna is a form of dipole antenna designed to work with an unbalanced feed line. A ground-plane antenna is more of less one half of the dipole and mounted above the ground plane. Ease of fabrication and cost makes the ground-plane antenna one of the popular antennas in communication systems.
Techopedia Explains Ground-Plane Antenna
A ground-plane antenna looks similar to coaxial antenna. The lower section of the antenna consists of two or more radials, which are straight elements. The radials measure ¼ of the wavelength and are connected to the shield of the feed line cable or to the outer connector. The main element that is used can be of any length, but is arranged to function in and around a specific frequency. This adjustment in the antenna is done with the help of a tuning coil. The main element is connected to the center conductor.
