Fig. 1. High power tightly coupled element antenna

Fig. 2. Theoretical impedance of tightly coupled dipole antenna

Fig. 3. Coaxial-planar waveguide transition

Fig. 4. Coupled structure

Fig. 5. Tightly coupled dipole array antenna

Fig. 6. VSWR of tightly coupled dipole element antenna

Fig. 7. Gain of tightly coupled dipole array antenna

Fig. 8. Three-dimensional radiation pattern of tightly coupled dipole array antenna

Fig. 9. Beam-scanning performance for E-plane and H-plane of tightly coupled dipole array antenna

Fig. 10. Electric field distribution of tightly coupled dipole element antenna