Table of Contents #1. IntroductionPart 1. The ScienceChapter 1. Expanding Your Electrical FoundationSection 1.1: Series and Parallel CircuitsSection 1.2: Reactance and ImpedanceSection 1.3: Resonance and FiltersSection 1.4: Impedance Matching and TransformersSection 1.5: Power and MeasurementsChapter 2. Building Advanced CircuitsSection 2.1: Essential RF ComponentsSection 2.2: Transistors and AmplificationSection 2.3: Power Supply FundamentalsSection 2.4: Digital Circuit FundamentalsSection 2.5: Test Equipment and Schematic ReadingChapter 3. Signal Theory and ModulationSection 3.1: Analog Modulation MethodsSection 3.2: Digital Modes and SignalsSection 3.3: Frequency Mixing and BandwidthSection 3.4: Digital Signal ProcessingChapter 4. Advanced Antenna SystemsSection 4.1: Feed Lines and ConnectorsSection 4.2: SWR and Antenna MatchingSection 4.3: Directional AntennasSection 4.4: Dipoles and Vertical AntennasSection 4.5: Mobile and Portable AntennasChapter 5. Radio Wave PropagationSection 5.1: The Ionosphere and Radio WavesSection 5.2: Solar Effects on PropagationSection 5.3: Propagation Modes and PathsPart 2. Operating as a GeneralChapter 6. SafetySection 6.1: AC Power and Circuit ProtectionSection 6.2: Batteries and Power SystemsSection 6.3: Grounding and Lightning ProtectionSection 6.4: Tower and Antenna SafetySection 6.5: RF ExposureChapter 7. Setting Up Your HF StationSection 7.1: Station FundamentalsSection 7.2: Receiving TechniquesSection 7.3: Transmitting TechniquesSection 7.4: Power AmplifiersSection 7.5: Digital Mode Station SetupSection 7.6: Test Equipment and MeasurementChapter 8. Operating Techniques and ProceduresSection 8.1: Getting Started on HFSection 8.2: Voice Operating TechniquesSection 8.3: CW Operating PracticesSection 8.4: DX and Contest OperatingSection 8.5: Digital Mode Operating ProceduresSection 8.6: Emergency CommunicationChapter 9. Rules and RegulationsSection 9.1: General Class Frequency PrivilegesSection 9.2: Secondary Allocations and InterferenceSection 9.3: Digital Communications RulesSection 9.4: Antenna and Station RegulationsSection 9.5: International OperationsSection 9.6: Licensing and ExaminationsPart 3. Appendix2023-2027 General Class Question Pool