A linear antenna for operation in the HF frequency range, particularly for naval communications is disclosed, comprising a radiating arrangement (Hl, H2, H3, Wl, W2) , adapted to be operatively associated with a ground conductor (20) and at least one electrical impedance device (Z1-Z4) , comprises a pair of powered conducting branches (Hl, H2) and a return conducting branch (H3) connected to ground, having a predominantly vertical configuration, in which each powered branch is connected to the return branch through a corresponding horizontal conducting branch (Wl, W2)
