Which of the following is part of the Basis and Purpose of the Amateur Radio Service?
Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?
What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?
How many operator/primary station license grants may be held by any one person?
What proves that the FCC has issued an operator/primary license grant?
What is the FCC Part 97 definition of a beacon?
What is the FCC Part 97 definition of a space station?
Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?
Who selects a Frequency Coordinator?
What is the Radio Amateur Civil Emergency Service (RACES)?
When is willful interference to other amateur radio stations permitted?
Which of the following frequency ranges are available for phone operation by Technician licensees?
Which amateurs may contact the International Space Station (ISS) on VHF bands?
Which frequency is in the 6 meter amateur band?
Which amateur band includes 146.52 MHz?
How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?
On which HF bands does a Technician class operator have phone privileges?
Which of the following VHF/UHF band segments are limited to CW only?
How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?
Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?
Where may SSB phone be used in amateur bands above 50 MHz?
What is the maximum peak envelope power output for Technician class operators in their HF band segments?
Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?
For which license classes are new licenses currently available from the FCC?
Who may select a desired call sign under the vanity call sign rules?
What types of international communications are an FCC-licensed amateur radio station permitted to make?
What may happen if the FCC is unable to reach you by email?
Which of the following is a valid Technician class call sign format?
From which of the following locations may an FCC-licensed amateur station transmit?
Which of the following can result in revocation of the station license or suspension of the operator license?
What is the normal term for an FCC-issued amateur radio license?
What is the grace period for renewal if an amateur license expires?
How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?
If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?
With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?
Under which of the following circumstances are one-way transmissions by an amateur station prohibited?
When is it permissible to transmit messages encoded to obscure their meaning?
Under what conditions is an amateur station authorized to transmit music using a phone emission?
When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?
What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?
What types of amateur stations can automatically retransmit the signals of other amateur stations?
In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?
When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?
How does the FCC define broadcasting for the Amateur Radio Service?
When may an amateur station transmit without identifying on the air?
When may an amateur station transmit without a control operator?
Who may be the control operator of a station communicating through an amateur satellite or space station?
Who must designate the station control operator?
What determines the transmitting frequency privileges of an amateur station?
What is an amateur station's control point?
When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?
When the control operator is not the station licensee, who is responsible for the proper operation of the station?
Which of the following is an example of automatic control?
Which of the following are required for remote control operation?
Which of the following is an example of remote control as defined in Part 97?
Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?
When must the station and its records be available for FCC inspection?
How often must you identify with your FCC-assigned call sign when using tactical call signs such as "Race Headquarters"?
When are you required to transmit your assigned call sign?
What language may you use for identification when operating in a phone sub-band?
What method of call sign identification is required for a station transmitting phone signals?
Which of the following self-assigned indicators are acceptable when using a phone transmission?
Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?
What is the definition of third party communications?
What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?
Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?
Which of the following is a requirement for the issuance of a club station license grant?
What is a common repeater frequency offset in the 2 meter band?
What is the national calling frequency for FM simplex operations in the 2 meter band?
What is a common repeater frequency offset in the 70 cm band?
What is an appropriate way to call another station on a repeater if you know the other station's call sign?
How should you respond to a station calling CQ?
Which of the following is required when making on-the-air test transmissions?
What is meant by "repeater offset"?
What is the meaning of the procedural signal "CQ"?
Which of the following indicates that a station is listening on a repeater and looking for a contact?
What is a band plan, beyond the privileges established by the FCC?
What term describes an amateur station that is transmitting and receiving on the same frequency?
What should you do before calling CQ?
How is a VHF/UHF transceiver's "reverse" function used?
What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?
Which of the following describes a linked repeater network?
Which of the following could be the reason you are unable to access a repeater whose output you can hear?
What would cause your FM transmission audio to be distorted on voice peaks?
What type of signaling uses pairs of audio tones?
How can you join a digital repeater's "talkgroup"?
Which of the following applies when two stations transmitting on the same frequency interfere with each other?
Why are simplex channels designated in the VHF/UHF band plans?
Which Q signal indicates that you are receiving interference from other stations?
Which Q signal indicates that you are changing frequency?
What is the purpose of the color code used on DMR repeater systems?
What is the purpose of a squelch function?
When do FCC rules NOT apply to the operation of an amateur station?
Which of the following are typical duties of a Net Control Station?
What technique is used to ensure that voice messages containing unusual words are received correctly?
What is RACES?
What does the term "traffic" refer to in net operation?
What is the Amateur Radio Emergency Service (ARES)?
Which of the following is standard practice when you participate in a net?
Which of the following is a characteristic of good traffic handling?
Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?
What information is contained in the preamble of a formal traffic message?
What is meant by "check" in a radiogram header?
Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?
What is the effect of vegetation on UHF and microwave signals?
What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?
What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?
When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?
What is the meaning of the term "picket fencing"?
What weather condition might decrease range at microwave frequencies?
What is a likely cause of irregular fading of signals propagated by the ionosphere?
Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?
What effect does multi-path propagation have on data transmissions?
Which region of the atmosphere can refract or bend HF and VHF radio waves?
What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?
What is the relationship between the electric and magnetic fields of an electromagnetic wave?
What property of a radio wave defines its polarization?
What are the two components of a radio wave?
What is the velocity of a radio wave traveling through free space?
What is the relationship between wavelength and frequency?
What is the formula for converting frequency to approximate wavelength in meters?
In addition to frequency, which of the following is used to identify amateur radio bands?
What frequency range is referred to as VHF?
What frequency range is referred to as UHF?
What frequency range is referred to as HF?
What is the approximate velocity of a radio wave in free space?
Why are simplex UHF signals rarely heard beyond their radio horizon?
What is a characteristic of HF communication compared with communications on VHF and higher frequencies?
What is a characteristic of VHF signals received via auroral backscatter?
Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?
Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?
What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?
What band is best suited for communicating via meteor scatter?
What causes tropospheric ducting?
What is generally the best time for long-distance 10 meter band propagation via the F region?
Which of the following bands may provide long-distance communications via the ionosphere's F region during the peak of the sunspot cycle?
Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?
Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?
Which of the following should be considered when selecting an accessory SWR meter?
Why are short, heavy-gauge wires used for a transceiver's DC power connection?
How are the transceiver audio input and output connected in a station configured to operate using FT8?
Where should an RF power meter be installed?
What signals are used in a computer-radio interface for digital mode operation?
Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?
Which of the following conductors is preferred for bonding at RF?
How can you determine the length of time that equipment can be powered from a battery?
What function is performed with a transceiver and a digital mode hot spot?
Where should the negative power return of a mobile transceiver be connected in a vehicle?
What is an electronic keyer?
What is the effect of excessive microphone gain on SSB transmissions?
Which of the following can be used to enter a transceiver's operating frequency?
How is squelch adjusted so that a weak FM signal can be heard?
What is a way to enable quick access to a favorite frequency or channel on your transceiver?
What does the scanning function of an FM transceiver do?
Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?
What does a DMR "code plug" contain?
What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?
How is a specific group of stations selected on a digital voice transceiver?
Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?
Which of the following must be programmed into a D-STAR digital transceiver before transmitting?
What is the result of tuning an FM receiver above or below a signal's frequency?
Electrical current is measured in which of the following units?
Electrical power is measured in which of the following units?
What is the name for the flow of electrons in an electric circuit?
What are the units of electrical resistance?
What is the electrical term for the force that causes electron flow?
What is the unit of frequency?
Why are metals generally good conductors of electricity?
Which of the following is a good electrical insulator?
Which of the following describes alternating current?
Which term describes the rate at which electrical energy is used?
What type of current flow is opposed by resistance?
What describes the number of times per second that an alternating current makes a complete cycle?
How many milliamperes is 1.5 amperes?
Which is equal to 1,500,000 hertz?
Which is equal to one kilovolt?
Which is equal to one microvolt?
Which is equal to 500 milliwatts?
Which is equal to 3000 milliamperes?
Which is equal to 3.525 MHz?
Which is equal to 1,000,000 picofarads?
Which decibel value most closely represents a power increase from 5 watts to 10 watts?
Which decibel value most closely represents a power decrease from 12 watts to 3 watts?
Which decibel value represents a power increase from 20 watts to 200 watts?
Which is equal to 28400 kHz?
Which is equal to 2425 MHz?
What describes the ability to store energy in an electric field?
What is the unit of capacitance?
What describes the ability to store energy in a magnetic field?
What is the unit of inductance?
What is the unit of impedance?
What does the abbreviation "RF" mean?
What is the abbreviation for megahertz?
What is the formula used to calculate electrical power (P) in a DC circuit?
How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?
How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?
How much current is required to deliver 120 watts at a voltage of 12 volts DC?
What is impedance?
What is the abbreviation for kilohertz?
What formula is used to calculate current in a circuit?
What formula is used to calculate voltage in a circuit?
What formula is used to calculate resistance in a circuit?
What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?
What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?
What is the resistance of a circuit that draws 4 amperes from a 12-volt source?
What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?
What is the current through a 100-ohm resistor connected across 200 volts?
What is the current through a 24-ohm resistor connected across 240 volts?
What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?
What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?
What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?
In which type of circuit is DC current the same through all components?
In which type of circuit is voltage the same across all components?
What electrical component opposes the flow of current in a DC circuit?
What type of component is often used as an adjustable volume control?
What electrical parameter is controlled by a potentiometer?
What electrical component stores energy in an electric field?
What type of electrical component consists of conductive surfaces separated by an insulator?
What type of electrical component stores energy in a magnetic field?
What electrical component is typically constructed as a coil of wire?
What is the function of an SPDT switch?
What electrical component is used to protect other circuit components from current overloads?
Which of the following battery chemistries is rechargeable?
Which of the following battery chemistries is not rechargeable?
What type of switch is represented by component 3 in figure T-2?
Which is true about forward voltage drop in a diode?
What electronic component allows current to flow in only one direction?
Which of these components can be used as an electronic switch?
Which of the following components can consist of three regions of semiconductor material?
What type of transistor has a gate, drain, and source?
How is the cathode lead of a semiconductor diode often marked on the package?
What causes a light-emitting diode (LED) to emit light?
What does the abbreviation FET stand for?
What are the names for the electrodes of a diode?
Which of the following can provide power gain?
What is the term that describes a device's ability to amplify a signal?
What are the names of the electrodes of a bipolar junction transistor?
What is the name of an electrical wiring diagram that uses standard component symbols?
What is component 1 in figure T-1?
What is component 2 in figure T-1?
What is component 3 in figure T-1?
What is component 4 in figure T-1?
What is component 6 in figure T-2?
What is component 8 in figure T-2?
What is component 9 in figure T-2?
What is component 4 in figure T-2?
What is component 3 in figure T-3?
What is component 4 in figure T-3?
Which of the following is accurately represented in electrical schematics?
Which of the following devices or circuits changes an alternating current into a varying direct current signal?
What is a relay?
Which of the following is a reason to use shielded wire?
Which of the following displays an electrical quantity as a numeric value?
What type of circuit controls the amount of voltage from a power supply?
What component changes 120 V AC power to a lower AC voltage for other uses?
Which of the following is commonly used as a visual indicator?
Which of the following is combined with an inductor to make a resonant circuit?
What is the name of a device that combines several semiconductors and other components into one package?
What is the function of component 2 in figure T-1?
Which of the following is a resonant or tuned circuit?
Which term describes the ability of a receiver to detect the presence of a signal?
What is a transceiver?
Which of the following is used to convert a signal from one frequency to another?
Which term describes the ability of a receiver to discriminate between multiple signals?
What is the name of a circuit that generates a signal at a specific frequency?
What device converts the RF input and output of a transceiver to another band?
What is the function of a transceiver's PTT input?
Which of the following describes combining speech with an RF carrier signal?
What is the function of the SSB/CW-FM switch on a VHF power amplifier?
What device increases the transmitted output power from a transceiver?
Where is an RF preamplifier installed?
What can you do if you are told your FM handheld or mobile transceiver is over-deviating?
What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?
Which of the following can cause radio frequency interference?
Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?
How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?
Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?
Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?
What should you do if something in a neighbor's home is causing harmful interference to your amateur station?
What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?
What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?
What is a symptom of RF feedback in a transmitter or transceiver?
What is the primary purpose of a dummy load?
Which of the following is used to determine if an antenna is resonant at the desired operating frequency?
What does a dummy load consist of?
What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?
Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?
What does an SWR reading of 4:1 indicate?
What happens to power lost in a feed line?
Which instrument can be used to determine SWR?
Which of the following causes failure of coaxial cables?
Why should the outer jacket of coaxial cable be resistant to ultraviolet light?
What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?
Which instrument would you use to measure electric potential?
How is a voltmeter connected to a component to measure applied voltage?
When configured to measure current, how is a multimeter connected to a component?
Which instrument is used to measure electric current?
Which of the following can damage a multimeter?
Which of the following measurements are made using a multimeter?
Which of the following types of solder should not be used for radio and electronic applications?
What is the characteristic appearance of a cold tin-lead solder joint?
What reading indicates that an ohmmeter is connected across a large, discharged capacitor?
Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?
Which of the following is a form of amplitude modulation?
What type of modulation is commonly used for VHF packet radio transmissions?
Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?
Which type of modulation is commonly used for VHF and UHF voice repeaters?
Which of the following types of signal has the narrowest bandwidth?
Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?
What is a characteristic of single sideband (SSB) compared to FM?
What is the approximate bandwidth of a typical single sideband (SSB) voice signal?
What is the approximate bandwidth of a VHF repeater FM voice signal?
What is the approximate bandwidth of AM fast-scan TV transmissions?
What is the approximate bandwidth required to transmit a CW signal?
Which of the following is a disadvantage of FM compared with single sideband?
What telemetry information is typically transmitted by satellite beacons?
What is the impact of using excessive effective radiated power on a satellite uplink?
Which of the following are provided by satellite tracking programs?
What mode of transmission is commonly used by amateur radio satellites?
What is a satellite beacon?
Which of the following are inputs to a satellite tracking program?
What is Doppler shift in reference to satellite communications?
What is meant by the statement that a satellite is operating in U/V mode?
What causes spin fading of satellite signals?
What is a LEO satellite?
Who may receive telemetry from a space station?
Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?
Which of the following methods is used to locate sources of noise interference or jamming?
Which of these items would be useful for a hidden transmitter hunt?
What operating activity involves contacting as many stations as possible during a specified period?
Which of the following is good procedure when contacting another station in a contest?
What is a grid locator?
How is over the air access to IRLP nodes accomplished?
What is Voice Over Internet Protocol (VoIP)?
What is the Internet Radio Linking Project (IRLP)?
Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?
What is required before using the EchoLink system?
What is an amateur radio station that connects other amateur stations to the internet?
Which of the following is a digital communications mode?
What is a "talkgroup" on a DMR repeater?
What kind of data can be transmitted by APRS?
What type of transmission is indicated by the term "NTSC?"
Which of the following is an application of APRS?
What does the abbreviation "PSK" mean?
Which of the following describes DMR?
Which of the following is included in packet radio transmissions?
What is CW?
Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?
What is an ARQ transmission system?
Which of the following best describes an amateur radio mesh network?
What is FT8?
What is a beam antenna?
Which of the following describes a type of antenna loading?
Which of the following describes a simple dipole oriented parallel to Earth's surface?
What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?
Which of the following increases the resonant frequency of a dipole antenna?
Which of the following types of antenna offers the greatest gain?
What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?
What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?
What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?
In which direction does a half-wave dipole antenna radiate the strongest signal?
What is antenna gain?
What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?
What is a benefit of low SWR?
What is the most common impedance of coaxial cables used in amateur radio?
Why is coaxial cable the most common feed line for amateur radio antenna systems?
What is the major function of an antenna tuner (antenna coupler)?
What happens as the frequency of a signal in coaxial cable is increased?
Which of the following RF connector types is most suitable for frequencies above 400 MHz?
Which of the following is true of PL-259 type coax connectors?
Which of the following is a source of loss in coaxial feed line?
What can cause erratic changes in SWR?
What is the electrical difference between RG-58 and RG-213 coaxial cable?
Which of the following types of feed line has the lowest loss at VHF and UHF?
What is standing wave ratio (SWR)?
Which of the following is a safety hazard of a 12-volt storage battery?
What health hazard is presented by electrical current flowing through the body?
In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?
What is the purpose of a fuse in an electrical circuit?
Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?
What is a good way to guard against electrical shock at your station?
Where should a lightning arrester be installed in a coaxial feed line?
Where should a fuse or circuit breaker be installed in a 120V AC power circuit?
What should be done to all external ground rods or earth connections?
What hazard is caused by charging or discharging a battery too quickly?
What hazard exists in a power supply immediately after turning it off?
Which of the following precautions should be taken when measuring high voltages with a voltmeter?
Which of the following is good practice when installing ground wires on a tower for lightning protection?
What is required when climbing an antenna tower?
Under what circumstances is it safe to climb a tower without a helper or observer?
Which of the following is an important safety precaution to observe when putting up an antenna tower?
What is the purpose of a safety wire through a turnbuckle used to tension guy lines?
What is the minimum safe distance from a power line to allow when installing an antenna?
Which of the following is an important safety rule to remember when using a crank-up tower?
Which is a proper grounding method for a tower?
Why should you avoid attaching an antenna to a utility pole?
Which of the following is true when installing grounding conductors used for lightning protection?
Which of the following establishes grounding requirements for an amateur radio tower or antenna?
What type of radiation are radio signals?
At which of the following frequencies does maximum permissible exposure have the lowest value?
How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?
What factors affect the RF exposure of people near an amateur station antenna?
Why do exposure limits vary with frequency?
Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?
What hazard is created by touching an antenna during a transmission?
Which of the following actions can reduce exposure to RF radiation?
How can you make sure your station stays in compliance with RF safety regulations?
Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?
What is the definition of duty cycle during the averaging time for RF exposure?
How does RF radiation differ from ionizing radiation (radioactivity)?
Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?