179296.fig.004a
(a)
179296.fig.004b
(b)
Figure 4: Simulation results for a parametric study of the influence of the flare angle α (off the normal dipole axis) for a given interelement distance of 160 mm and fixed dimensions of the dipole arms (a) magnitude of the input reflection coefficient and resonance frequency (b) magnitude of the mutual coupling between two neighbouring antenna elements.