The following is a listing of each topic considered necessary to be included in a course of study directed towards the education of workers performing installation, maintenance and repair of mobile and fixed radio communications systems: radio theory, components, terminology and symbols, basic analog circuits, transmission lines, antennas and towers, cabling and connectors, block diagrams, schematics, flow charts, hand tools and soldering, grounding-lightning protection, radio mathematics and formulas, interfacing, computer and digital circuits, computer applications, internet applications, mobile systems, satellite-data-telecommunications, radio environment workplace safety and business practices, frequency bands for mobile communications, test equipment and measurements, troubleshooting, commercial radio networks, modulations schemes, control systems, rf interference and rf coverage analysis, testing and diagnosis.