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Groups in US Amateur Radio - Technician (Element 2, 2018-2022)

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Subelement T1FCC Rules, descriptions, and definitions for the Amateur Radio Service, operator and station license responsibilities
Subelement T2Operating Procedures
Subelement T3Radio wave characteristics: properties of radio waves; propagation modes
Subelement T4Amateur radio practices and station set-up
Subelement T5 Electrical principles: math for electronics; electronic principles; Ohm's Law
Subelement T6Electrical components; circuit diagrams; component functions
Subelement T7Station equipment: common transmitter and receiver problems; antenna measurements; troubleshooting; basic repair and testing
Subelement T8Modulation modes: amateur satellite operation; operating activities; non-voice and digital communications
Subelement T9Antennas and feed lines
Subelement T0Electrical safety: AC and DC power circuits; antenna installation; RF hazards