Study of SSB, FM, spread-spectrum modulation systems used in broadcast and two- way radios, physical and electrical characteristics of antennas and transmission lines, Electromagnetic wave propagation explanations for antennas, transmission lines to include copper, fiber optic and wave guides. Cellular telephone systems are explained. Home entertainment as well as broadcast systems used as examples of theory. Microwave communications are introduced. PLL (Phase-Locked Loops) circuits are included. Radio testing and alignment are performed in lab projects.