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Science, engineering, and mathematics — biology, chemistry, physics, astronomy, earth sciences, social sciences, and technology research. A curated gateway to academic and professional scientific resources.
57129 resources
Links to articles (in pdf) about antenna design and installation.
Informative multipart tutorial with illustrations and animations explains everything about radio waves, many related links.
Amateur radio pages, analysis of CHA-250 and the development of a broadband vertical HF antenna, baluns and tuners.