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The Amateur Extra test has 50 randomly chosen questions from a pool of at least 500 questions.

E1Edit

The E1 section of the Amateur Extra test contains information on commission's rules.

E1AEdit

The E1A section covers Operating Standards: frequency privileges; emission standards; automatic message forwarding; frequency sharing; stations aboard ships or aircraft.
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E1BEdit

The E1B section covers station restrictions and special operations: restrictions on station location; general operating restrictions; spurious emissions, control operator reimbursement; antenna structure restrictions; RACES operations.
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E1CEdit

The E1C section covers Station Control: definitions and restrictions pertaining to local, automatic and remote control operation; control operator responsibilities for remote and automatically controlled stations.
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E1DEdit

The E1D section covers Amateur Satellite service: definitions and purpose; license requirements for space stations; available frequencies and bands; telecommand and telemetry operations; restrictions and special provisions; notification requirements.
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E1EEdit

The E1E section covers volunteer examiner program: definitions; qualifications; preparation and administration of exams; accreditation; question pools; documentation requirements.
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E1FEdit

The E1F section covers miscellaneous rules: external RF power amplifiers; national quiet zone; business communications; compensated communications; spread spectrum; auxiliary stations; reciprocal operating privileges; IARP and CEPT licenses; third party communications with foreign countries; special temporary authority.
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E2Edit

The E2 section of the Amateur Extra test contains information on operating procedures.

E2AEdit

The E2A section covers amateur radio in space: amateur satellites; orbital mechanics; frequencies and modes; satellite hardware; satellite operations.
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E2BEdit

The E2B section covers television practices: fast scan television standards and techniques; slow scan television standards and techniques

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E2CEdit

The E2C section covers operating methods: contest and DX operating; spread-spectrum transmissions; selecting an operating frequency.
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E2DEdit

The E2D section covers Operating methods: VHF and UHF digital modes; APRS.
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E2EEdit

The E2E section covers operating methods: operating HF digital modes; error correction.
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E3Edit

The E3 section of the Amateur Extra test contains information on radio wave propagation.

E3AEdit

The E3A section covers propagation and technique: Earth-Moon-Earth communications (EME), meteor scatter.
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E3BEdit

The E3B section covers propagation and technique: trans-equatorial, long path, gray-line; multi-path propagation.
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E3CEdit

The E3C section covers propagation and technique: aurora propagation selective fading; radio-path horizon; take-off angle over flat or sloping terrain; effects of ground on propagation; less common propagation modes.
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E4Edit

The E4 section of the Amateur Extra test contains information on amateur practices.

E4AEdit

The E4A section covers test equipment: analog and digital instruments; spectrum and network analyzers, antenna analyzers; oscilloscopes; testing transistors; RF measurements.
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E4BEdit

The E4B section covers measurement techniques: instrument accuracy and performance limitations; probes; techniques to minimize errors; measurement of Q; instrument calibration.
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E4CEdit

The E4C section covers receiver performance characteristics: phase noise; capture effect; noise floor; image rejection; MDS; signal-to-noise-ratio; selectivity.
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E4DEdit

The E4D section covers receiver performance characteristics: blocking dynamic range; intermodulation and cross-modulation interference; 3rd order intercept; desensitization; preselection.
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E4EEdit

The E4E section covers noise suppression: system noise; electrical appliance noise; line noise; locating noise sources; DSP noise reduction; noise blankers.
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E5Edit

The E5 section of the Amateur Extra test contains information on electrical principles.

E5AEdit

The E5A section covers resonance and Q: characteristics of resonant circuits; series and parallel resonance; Q; half-power bandwidth; phase relationships in reactive circuits.

E5BEdit

The E5B section covers time constants and phase relationships: RLC time constants; definition; time constants in RL and RC circuits; phase angle between voltage and current; phase angles of series and parallel circuits.
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E5CEdit

The E5C section covers Impedance plots and coordinate systems: plotting impedances in polar coordinates; rectangular coordinates.

E5DEdit

The E5D section covers AC and RF energy in real circuits: skin effect; electrostatic and electromagnetic fields; reactive power; power factor; coordinate systems.

E6Edit

The E6 section of the Amateur Extra test contains information on circuit components.

E6AEdit

The E6A section covers semiconductor materials and devices: semiconductor materials; germanium, silicon, P-type, N-type; transistor types: NPN, PNP, junction, field-effect transistors: enhancement mode; depletion mode; MOS; CMOS; N-channel; P-channel.

E6BEdit

The E6B section covers semiconductor diodes.
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E6CEdit

The E6C section covers integrated circuits: TTL digital integrated circuits; CMOS digital integrated circuits; gates.
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E6DEdit

The E6D section covers optical devices and toroids: cathode-ray tube devices; charge-coupled devices (CCDs); liquid crystal displays (LCDs) Toroids: permeability; core material; selecting; winding.
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E6EEdit

The E6E section covers piezoelectric crystals and MMICs: quartz crystal oscillators and crystal filters); monolithic amplifiers.
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E6FEdit

The E6F section covers optical components and power systems: photoconductive principles and effects, photovoltaic systems, optical couplers, optical sensors, and optoisolators.
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E7Edit

The E7 section of the Amateur Extra test contains information on practical circuits.

E7AEdit

The E7A section covers digital circuits: digital circuit principles and logic circuits: classes of logic elements; positive and negative logic; frequency dividers; truth tables.
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E7BEdit

The E7B section covers amplifiers: class of operation; vacuum tube and solid-state circuits; distortion and intermodulation; spurious and parasitic suppression; microwave amplifiers.

E7CEdit

The E7C section covers filters and matching networks: types of networks; types of filters; filter applications; filter characteristics; impedance matching; DSP filtering.
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E7DEdit

The E7D section covers power supplies and voltage regulators.

E7EEdit

The E7E section covers Modulation and demodulation: reactance, phase and balanced modulators; detectors; mixer stages; DSP modulation and demodulation; software defined radio systems.
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E7FEdit

The E7F section covers frequency markers and counters: frequency divider circuits; frequency marker generators; frequency counters.
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E7GEdit

The E7G section covers active filters and op-amps: active audio filters; characteristics; basic circuit design; operational amplifiers.
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E7HEdit

The E7H section covers oscillators and signal sources: types of oscillators; synthesizers and phase-locked loops; direct digital synthesizers.

E8Edit

The E8 section of the Amateur Extra test contains information on information on signals and emissions.

E8AEdit

The E8A section covers AC waveforms: sine, square, sawtooth and irregular waveforms; AC measurements; average and PEP of RF signals; pulse and digital signal waveforms.
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E8BEdit

The E8B section covers modulation and demodulation: modulation methods; modulation index and deviation ratio; pulse modulation; frequency and time division multiplexing.
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E8CEdit

The E8C section covers digital signals: digital communications modes; CW; information rate vs. bandwidth; spread-spectrum communications; modulation methods.
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E8DEdit

The E8D section waveforms: measurement, peak-to-peak, RMS, average; electromagnetic waves: definition, characteristics, polarization.
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E9Edit

The E9 section of the Amateur Extra test contains information on antennas and transmission lines.

E9AEdit

The E9A section covers isotropic and gain antennas: definitions; uses; radiation patterns; basic antenna parameters: radiation resistance and reactance, gain, beamwidth, efficiency.
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E9BEdit

The E9B section covers antenna patterns: E and H plane patterns; gain as a function of pattern; antenna design (computer modeling of antennas); yagi antennas.
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E9CEdit

The E9C section covers wire and phased vertical antennas: beverage antennas; rhombic antennas; elevation above real ground; ground effects as related to polarization; take-off angles.
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E9DEdit

The E9D section covers directional antennas: gain; satellite antennas; antenna beamwidth; stacking antennas; antenna efficiency; traps; folded dipoles; shortened and mobile antennas; grounding.
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E9EEdit

The E9E section covers matching: matching antennas to feed lines; power dividers.
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E9FEdit

The E9F section covers transmission lines: characteristics of open and shorted feed lines; 1/8 wavelength; 1/4 wavelength; 1/2 wavelength; feed lines: coax versus open-wire; velocity factor; electrical length; coaxial cable dielectrics; velocity factor.
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E9GEdit

The E9G section covers the Smith chart.
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E9HEdit

The E9H section covers effective radiated power; system gains and losses; radio direction finding antennas.
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E0Edit

The E0 section of the Amateur Extra test contains information on safety.

E0AEdit

The E0A section covers safety: amateur radio safety practices; RF radiation hazards; hazardous materials.
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