This is a neat website Y an antenna engineer with lots cool info, but the big picture is buried. From that page, click on “antenna basics” then scroll all the

This is a neat website Y an antenna engineer with lots cool info, but the big picture is buried. From that page, click on “antenna basics” then scroll all the way to the bottom where you can find “why do antennas radiate?” http://www.antenna-theory.com/basics/whyantennasradiate.php http://www.antenna-theory.com/basics/whyantennasradiate.php That answers the fundamental question of how antennas work. Edit: looks like kawfey’s comment answered the issue already, I didn’t scroll down far enough: https://news.ycombinator.com/item?id=22787249 https://news.ycombinator.com/item?id=22787249