One of four individualized courses included in a radio and television repair curriculum, this course focuses on diagnosing difficulties, making necessary adjustments, and removing and replacing components for a radio receiver. The course is comprised of seven units: (1) Introduction to Radio, (2) Crystal Detectors, (3) Regenerative Receivers, (4) The Radio Power Supply Section, (5) The Radio-Audio Section, (6) The Radio RF Section, and (7) Superheterodyne Receivers. Each unit begins with a Unit Learning Experience Guide that gives directions for unit completion. The remainder of each unit consists of Learning Activity Packages (LAP) that provide specific information for completion of a learning activity. Each LAP is comprised of the following parts: objective, evaluation procedure, resources, procedure, supplemental sheets, study guide, and a LAP test with answers. The course is preceded by a pretest which is designed to direct the student to units and performance activities. (LRA)