0The principles of basic electronics include those of basic electricity and the transition between the two subjects is facilitated by selecting "Tuned Circuits" as the first chapter in Basic Electronics. This training course next discusses the operating principles of vacuum tubes and their action in power supplies, amplifiers, and oscillators. The central portion of the text includes a discussion of modulation, detection, transmitters, receivers, antennas, and radio wave propagation. The text concludes with a discussion of electronic test equipment and an introductory chapter on radar