FWRC member Al Burke, WB9SSE, discovered a white paper on antenna fundamentals produced by broadcast equipment manufacturer Rhode & Schwarz. The white paper provides basic insight into the world of antennas and Al thinks it is written at just the right level for new hams.
Al said the paper provides just a little theory, and explains much potentially confusing terminology.
He recommends that you check it out, using the link below to the PDF version.