(a) it is an array consisting of a driven element and parasitic elements arranged collinearly and closely
(b) it has extremely high gain
(c) it has a folded dipole as the driven element
(d) it is often employed as VHF television receiving antenna
(b) it has extremely high gain
(c) it has a folded dipole as the driven element
(d) it is often employed as VHF television receiving antenna