G0A10: What is one thing that can be done if evaluation shows that a neighbor might receive more than the allowable limit of RF exposure from the main lobe of a directional antenna?

Change from horizontal polarization to vertical polarization

Change from horizontal polarization to circular polarization

Use an antenna with a higher front-to-back ratio

G0B14: Which of the following is covered by the National Electrical Code?

Acceptable bandwidth limits

Acceptable modulation limits

RF exposure limits of the human body

G1A12: When General Class licensees are not permitted to use the entire voice portion of a particular band, which portion of the voice segment is generally available to them?

The lower frequency end

The lower frequency end on frequencies below 7.3 MHz and the upper end on frequencies above 14.150 MHz

The upper frequency end on frequencies below 7.3 MHz and the lower end on frequencies above 14.150 MHz

G1B12: Who or what determines 'good engineering and good amateur practice' as applied to the operation of an amateur station in all respects not covered by the Part 97 rules?

The Control Operator

The IEEE

The ITU

G1C05: Which of the following is a limitation on transmitter power on the 28 MHz band?

100 watts PEP output

1000 watts PEP output

2000 watts PEP output

G1D09: How long is a Certificate of Successful Completion of Examination (CSCE) valid for exam element credit?

30 days

180 days

For as long as your current license is valid

G1E10: What portion of the 10 meter band is available for repeater use?

The entire band

The portion between 28.1 MHz and 28.2 MHz

The portion between 28.3 MHz and 28.5 MHz

G2A03: Which of the following is most commonly used for SSB voice communications in the VHF and UHF bands?

Lower sideband

Vestigial sideband

Double sideband

G2B05: What is the customary minimum frequency separation between SSB signals under normal conditions?

Between 150 and 500 Hz

Approximately 6 kHz

Approximately 10 kHz

G2C06: What does the term 'zero beat' mean in CW operation?

Matching the speed of the transmitting station

Operating split to avoid interference on frequency

Sending without error

G2D01: What is the Amateur Auxiliary to the FCC?

Amateur volunteers who conduct amateur licensing examinations

Amateur volunteers who conduct frequency coordination for amateur VHF repeaters

Amateur volunteers who use their station equipment to help civil defense organizations in times of emergency

G2E13: In the PACTOR protocol, what is meant by an NAK response to a transmitted packet?

The receiver is reporting the packet was received without error

The receiver is busy decoding the packet

The entire file has been received correctly

G3A05: What is the solar-flux index?

A measure of the highest frequency that is useful for ionospheric propagation between two points on the Earth

A count of sunspots which is adjusted for solar emissions

Another name for the American sunspot number

G3B02: Which of the following is a good indicator of the possibility of sky-wave propagation on the 6 meter band?

Long skip sky-wave propagation on the 10 meter band

Severe attenuation of signals on the 10 meter band

Long delayed echoes on the 10 meter band

G3C06: What is a characteristic of HF scatter signals?

They have high intelligibility

They have very large swings in signal strength

All of these choices are correct

G4A12: Which of the following is a common use for the dual VFO feature on a transceiver?

To allow transmitting on two frequencies at once

To permit full duplex operation, that is transmitting and receiving at the same time

To facilitate computer interface

G4B08: Which of the following instruments may be used to monitor relative RF output when making antenna and transmitter adjustments?

An antenna noise bridge

A multimeter

A Q meter

G4C11: Which of the following is one use for a Digital Signal Processor in an amateur station?

To provide adequate grounding

To increase antenna gain

To increase antenna bandwidth

G4D04: What does an S meter measure?

Conductance

Impedance

Transmitter power output

G4E07: Which of the following is the most likely to cause interfering signals to be heard in the receiver of an HF mobile installation in a recent model vehicle?

The battery charging system

The anti-lock braking system

The anti-theft circuitry

G5A10: What unit is used to measure impedance?

Volt

Ampere

Watt

G5B08: What is the peak-to-peak voltage of a sine wave that has an RMS voltage of 120 volts?

84.8 volts

169.7 volts

240.0 volts

G5C07: What is the turns ratio of a transformer used to match an audio amplifier having a 600-ohm output impedance to a speaker having a 4-ohm impedance?

24.4 to 1

150 to 1

300 to 1

G6A01: Which of the following is an important characteristic for capacitors used to filter the DC output of a switching power supply?

High equivalent series resistance

Low Temperature coefficient

High Temperature coefficient

G6B04: When two or more diodes are connected in parallel to increase current handling capacity, what is the purpose of the resistor connected in series with each diode?

To ensure the thermal stability of the power supply

To regulate the power supply output voltage

To act as an inductor

G6C12: Which of the following connectors would be a good choice for a serial data port?

PL-259

Type N

Type SMA

G7A06: What portion of the AC cycle is converted to DC by a full-wave rectifier?

90 degrees

180 degrees

270 degrees

G7B10: Which of the following is a characteristic of a Class A amplifier?

Low standby power

High Efficiency

No need for bias

G7C04: What circuit is used to combine signals from the IF amplifier and BFO and send the result to the AF amplifier in a single-sideband receiver?

RF oscillator

IF filter

Balanced modulator

G8A09: What control is typically adjusted for proper ALC setting on an amateur single sideband transceiver?

The RF clipping level

Antenna inductance or capacitance

Attenuator level

G8B01: What receiver stage combines a 14.250 MHz input signal with a 13.795 MHz oscillator signal to produce a 455 kHz intermediate frequency (IF) signal?

BFO

VFO

Discriminator

G9A07: What must be done to prevent standing waves on an antenna feed line?

The antenna feed point must be at DC ground potential

The feed line must be cut to an odd number of electrical quarter wavelengths long

The feed line must be cut to an even number of physical half wavelengths long

G9B09: Which of the following is an advantage of a horizontally polarized as compared to vertically polarized HF antenna?

Lower feed-point impedance

Shorter Radials

Lower radiation resistance

G9C04: Which statement about a three-element; single-band Yagi antenna is true?

The director is normally the longest parasitic element

The reflector is normally the shortest parasitic element

All of the elements must be the same length

G9D05: What is the advantage of vertical stacking of horizontally polarized Yagi antennas?

Allows quick selection of vertical or horizontal polarization

Allows simultaneous vertical and horizontal polarization

Narrows the main lobe in azimuth