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practice exams - General Class

Select a section to study
Section Questions
G0A RF safety principles, rules and guidelines; routine station evaluation 12 Start
G0B Safety in the ham shack: electrical shock and treatment, safety grounding, fusing, interlocks, wiring, antenna and tower safety 15 Start
G1A General Class control operator frequency privileges; primary and secondary allocations 14 Start
G1B Antenna structure limitations; good engineering and good amateur practice; beacon operation; prohibited transmissions; retransmitting radio signals 12 Start
G1C Transmitter power regulations; data emission standards 11 Start
G1D Volunteer Examiners and Volunteer Examiner Coordinators; temporary identification 11 Start
G1E Control categories; repeater regulations; harmful interference; third party rules; ITU regions; automatically controlled digital station 12 Start
G2A Phone operating procedures; USB/LSB conventions; procedural signals; breaking into a contact; VOX operation 11 Start
G2B Operating courtesy; band plans; emergencies, including drills and emergency communications 12 Start
G2C CW operating procedures and procedural signals; Q signals and common abbreviations: full break in 11 Start
G2D Amateur Auxiliary; minimizing interference; HF operations 11 Start
G2E Digital operating: procedures, procedural signals and common abbreviations 14 Start
G3A Sunspots and solar radiation; ionospheric disturbances; propagation forecasting and indices 16 Start
G3B Maximum Usable Frequency; Lowest Usable Frequency; propagation 12 Start
G3C Ionospheric layers; critical angle and frequency; HF scatter; Near Vertical Incidence Sky-wave 13 Start
G4A Station Operation and set up 15 Start
G4B Test and monitoring equipment; two-tone test 15 Start
G4C Interference with consumer electronics; grounding; DSP 13 Start
G4D Speech processors; S meters; sideband operation near band edges 11 Start
G4E HF mobile radio installations; emergency and battery powered operation 11 Start
G5A Reactance; inductance; capacitance; impedance; impedance matching 13 Start
G5B The Decibel; current and voltage dividers; electrical power calculations; sine wave root-mean-square (RMS) values; PEP calculations 13 Start
G5C Resistors, capacitors, and inductors in series and parallel; transformers 18 Start
G6A Resistors; Capacitors; Inductors; Rectifiers; solid state diodes and transistors; vacuum tubes; batteries 19 Start
G6B Analog and digital integrated circuits (ICs); microprocessors; memory; I/O devices; microwave ICs (MMICs); display devices 18 Start
G7A Power supplies; and schematic symbols 13 Start
G7B Digital circuits; amplifiers and oscillators 14 Start
G7C Receivers and transmitters; filters, oscillators 11 Start
G8A Carriers and modulation: AM; FM; single sideband; modulation envelope; digital modulation; overmodulation 11 Start
G8B Frequency mixing; multiplication; bandwidths of various modes; deviation; duty cycle 10 Start
G8C Digital emission modes 12 Start
G9A Antenna feed lines: characteristic impedance, and attenuation; SWR calculation, measurement and effects; matching networks 15 Start
G9B Basic antennas 12 Start
G9C Directional antennas 20 Start
G9D Specialized antennas 11 Start