An archery-target antenna.(TECHNICAL FEATURE) From: Microwave Journal | Date: May 1, 2005| Author: Vidmar, Matjaz | COPYRIGHT 2005 Horizon House Publications, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

The "archery-target" antenna presented in this article is a directional antenna evolved from the short-backfire antenna (SBFA). The new antenna has an additional annular reflector and a much-increased large reflector when compared to the SBFA. The archery-target antenna achieves a directivity of 20.6 dBi at an aperture efficiency of approximately 46 percent. The -3 dB main-lobe beam widths are approximately 13.8[degrees] in the E-plane and 10.2[degrees] in the H-plane. The new ante...