01
Regulations, Licensing & Safety Standards
Qualifications, station ownership, interference rules, call signs, frequency privileges, power limits, antenna siting, Safety Code 6, EMCAB-2
199 questions
B-001
02
Operating Procedures
Repeaters, phonetic alphabet, voice & CW calling, operating practices, signal reports (RST), Q codes, emergency operations, logging
99 questions
B-002
03
Station Assembly, Practice & Safety
HF station components, transmitters (FM/CW/SSB), receivers, digital modes, power supplies, batteries, electrical & RF safety, grounding
176 questions
B-003
05
Basic Electronics & Theory
Unit conversions, Ohm's Law, series/parallel circuits, power, AC theory, decibels, inductors, capacitors, impedance, resonance, test instruments
142 questions
B-005
06
Feed Lines & Antenna Systems
Transmission lines, connectors, SWR, antenna tuners, polarization, dipoles, verticals, Yagis, quads, loops, gain & directivity
132 questions
B-006
07
Radio Wave Propagation
Ground/sky waves, ionosphere layers, skip zone, MUF, solar activity, sporadic-E, tropospheric ducting, scatter propagation
85 questions
B-007
08
Interference & Suppression
Receiver overload, intermodulation, RFI to consumer equipment, spurious emissions, key clicks, harmonics, filters
55 questions
B-008