Technician Class HamBook (2022-2026) #Copyright, License, and ContributorsIntroductionAbout Amateur RadioUnderstanding the Technician License ExamHow to Use This HamBookOverview of the Licensing ProcessPart 1: The Science Behind Amateur Radio1. Electrical Principles1.1 Electrical Basics1.2 Electrical Units and Quantities1.3 Electrical Laws (and Math)2. Electrical Components2.1 Basic Components2.2 Semiconductors2.3 Other Components2.4 Circuit Diagrams: Putting It All Together3. Radio Wave Principles3.1 Frequency and Wavelength3.2 The Electromagnetic Spectrum3.3 Understanding Amateur Radio Bands3.4 How Signals Travel3.5 Modulation Modes and Bandwidth3.6 Digital and Video Modes4. Antennas4.1 Antenna Types4.2 Polarization and Orientation4.3 Feed Lines4.4 Connectors4.5 Standing Wave Ratio (SWR)Part 2: The Person Behind Amateur Radio5. Safety5.1 AC Power5.2 Hazardous Voltages5.3 Fuses and Circuit Breakers5.4 Batteries5.5 Antennas and Tower Safety5.6 RF Exposure6. Station Setup6.1 Station Accessories6.2 Interference and Grounding6.3 Receiver, Transmitter, Transceiver6.4 Operating Your Transceiver6.5 Repeater Operation6.6 Basic Repair and Testing6.7 Interference and Troubleshooting7. Operating Practices7.1 FM Operation7.2 HF Operation7.3 Public Service and Emergency Operations7.4 Amateur Satellite Operation7.5 Fun with Amateur Radio8. Rules and Regulations8.1 Operator Classes, Privileges, and Call Signs8.2 ITU Regions8.3 Authorized Frequencies8.4 Frequency Allocations and Band Sharing8.5 Station Identification8.6 Authorized and Prohibited Transmissions8.7 Control Operator and Control TypesConclusion: Your Journey into Amateur RadioAppendix: Other resourcesSupplement: What’s New in the 2026 Question PoolOther books for preparing for your Ham Radio licenseGlossary of Amateur Radio TermsPhonetic Alphabet2022-2026 Technician Class Question Pool