You can't have RF without antennas, right? And selecting the right antenna is one of the important
keys to good RF design. This page provides some links covering antenna theory and hardware.
"Smart Antennas for
Mobile Communications" -- 1998 PDF article by A.J. Paulraj, Stanford U. This article
was published in 2000 as a chapter in the John Wiley Encyclopedia for Electrical Engineering. (244K)
Cubical Quad Antenna Design, By: Dr. Carl O. Jelinek N6VNG. One of those icky frames
pages that won't let you go directly to the article. Press "Technical" at the top
of the page, then press the link for Jelinek's article.