Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Fabricated prototype of the proposed four-element antenna array, (a) top side showing each square resonant ring is loaded with a T-shaped matching stub and each radiating element is enclosed within the isolating dot-walls, and (b) bottom side showing the defected ground plane loaded with square shaped slots that are aligned underneath the dot-walls.
