Foundations of Amateur Radio is now available as an eBook. In Volume 5 - Getting on air - read about the perfect SWR, how to become a better operator, what batteries to use, the difference between a propagation forecast and reality, the phonetic alphabet, antenna compromises, Q-codes and more. Search for my callsign - VK6FLAB - on your local Amazon store to have a Look inside. I'm Onno VK6FLAB