Very Compact and Broadband Active Antenna for VHF Band Applications

Figure 4

Measured normalized radiation patterns in H-plane, E-plane. (a) E-plane at 80 MHz for solid line 𝜑=0^∘ dashed line 𝜑=90^∘, (b) E-plane at 100 MHz for solid line 𝜑=0^∘ dashed line 𝜑=90^∘,  (c) H-plane at 80 MHz for 𝜃=90^∘, and (d) H-plane at 100 MHz for 𝜃=90^∘.

(a)

(b)

(c)

(d)