General Class Elements

SUB ELEMENT G2 - OPERATING PROCEDURES

[6 Exam Questions - 6 Groups]

SUB ELEMENT G3 - RADIO WAVE PROPAGATION

[3 Exam Questions - 3 Groups]

• G3A - Sunspots and solar radiation; ionospheric disturbances; propagation forecasting and indices

• G3B - Maximum Usable Frequency; Lowest Usable Frequency; propagation "hops"

• G3C - Ionospheric layers; critical angle and frequency; HF scatter; Near Vertical Incidence Sky waves

SUB ELEMENT G4 - AMATEUR RADIO PRACTICES

[5 Questions - 5 groups]

• G4A - Two-tone Test; amplifier tuning and neutralization; DSP

• G4B - Test and monitoring equipment

• G4C - Interference with consumer electronics; grounding

• G4D - Speech processors; S meters; common connectors

• G4E - HF mobile radio installations; emergency and battery powered operation

SUB ELEMENT G5 – ELECTRICAL PRINCIPLES

[3 exam questions – 3 groups]

• G5A - Resistance; reactance; inductance; capacitance; impedance; impedance matching

• G5B - The Decibel; current and voltage dividers; electrical power calculations; sine wave root-mean-square (RMS) values; PEP calculations

• G5C – Resistors, capacitors, and inductors in series and parallel; transformers

SUB ELEMENT G6 – CIRCUIT COMPONENTS

[3 exam question – 3 groups]

• G6A - Resistors; capacitors; inductors

• G6B - Rectifiers; solid state diodes and transistors; solar cells; vacuum tubes; batteries

• G6C - Analog and digital integrated circuits (IC’s); microprocessors; memory; I/O devices; microwave IC’s (MMIC’s ); display devices

SUB ELEMENT G7 – PRACTICAL CIRCUITS

[2 exam question – 2 groups]

• G7A - Power supplies; transmitters and receivers; filters; schematic symbols

• G7B - Digital circuits (gates, flip-flops, shift registers); amplifiers and oscillators

 SUB ELEMENT G8 – SIGNALS AND EMISSIONS

 [2 exam questions – 2 groups]

• G8A - Carriers and modulation: AM; FM; single and double sideband ; modulation envelope; deviation; over modulation

• G8B - Frequency mixing; multiplication; HF data communications; bandwidths of various modes

 SUB ELEMENT G9 – ANTENNAS

[4 exam questions – 4 groups]

• G9A - Antenna feed lines: characteristic impedance, and attenuation; SWR

• calculation, measurement and effects; matching networks

• G9B - Basic antennas

• G9C - Directional antennas

• G9D - Specialized antennas

 SUB ELEMENT G0 – ELECTRICAL AND RF SAFETY

[2 Exam Questions – 2 groups]

• G0A - RF safety principles, rules and guidelines; routine station evaluation

• G0B - Safety in the ham shack: electrical shock and treatment, grounding, fusing, interlocks, wiring, antenna and tower safety