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

G0B15: Which of the following is true of an emergency generator installation?

The generator should be insulated from ground

Fuel should be stored near the generator for rapid refueling in case of an emergency

All of these choices are correct

G1A06: Which of the following frequencies is in the 12 meter band?

3.940 MHz

12.940 MHz

17.940 MHz

G1B07: What are the restrictions on the use of abbreviations or procedural signals in the Amateur Service?

Only "Q" codes are permitted

They are not permitted

Only "10 codes" are permitted

G1C04: Which of the following is a limitation on transmitter power on the 14 MHz band?

Power must be limited to 200 watts when transmitting between 14.100 MHz and 14.150 MHz

Power should be limited as necessary to avoid interference to another radio service on the frequency

Effective radiated power cannot exceed 3000 watts

G1D08: Which of the following criteria must be met for a non-U.S. citizen to be an accredited Volunteer Examiner?

The person must be a resident of the U.S. for a minimum of 5 years

The person's home citizenship must be in the ITU 2 region

None of these choices is correct; non-U.S. citizens cannot be volunteer examiners

G1E05: What types of messages for a third party in another country may be transmitted by an amateur station?

Any message, as long as the amateur operator is not paid

Only messages for other licensed amateurs

Any messages, as long as the text of the message is recorded in the station log

G2A07: Which of the following statements is true of the single sideband (SSB) voice mode?

Only one sideband and the carrier are transmitted; the other sideband is suppressed

SSB voice transmissions have higher average power than any other mode

SSB is the only mode that is authorized on the 160, 75 and 40 meter amateur bands

G2B11: What frequency should be used to send a distress call?

Only frequencies authorized for RACES or ARES stations

Only frequencies that are within your operating privileges

Only frequencies used by police, fire or emergency medical services

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

G2D08: Why do many amateurs keep a log even though the FCC doesn't require it?

The ITU requires a log of all international contacts

The ITU requires a log of all international third party traffic

The log provides evidence of operation needed to renew a license without retest

G2E11: What does the abbreviation "MFSK" stand for?

Manual Frequency Shift Keying

Manual Frequency Sideband Keying

Multi (or Multiple) Frequency Sideband Keying

G3A11: Approximately how long is the typical sunspot cycle?

8 minutes

40 hours

28 days

G3B01: How might a sky-wave signal sound if it arrives at your receiver by both short path and long path propagation?

Periodic fading approximately every 10 seconds

Signal strength increased by 3 dB

The signal might be cancelled causing severe attenuation

G3C08: Why are HF scatter signals in the skip zone usually weak?

Signals are scattered from the magnetosphere which is not a good reflector

Propagation is through ground waves which absorb most of the signal energy

Propagations is through ducts in F region which absorb most of the energy

G4A03: What is normally meant by operating a transceiver in "split" mode?

The radio is operating at half power

The transceiver is operating from an external power source

The transmitter is emitting a SSB signal, as opposed to DSB operation

G4B02: Which of the following is an advantage of an oscilloscope versus a digital voltmeter?

An oscilloscope uses less power

Complex impedances can be easily measured

Input impedance is much lower

G4C01: Which of the following might be useful in reducing RF interference to audio-frequency devices?

Bypass inductor

Forward-biased diode

Reverse-biased diode

G4D08: What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?

7.178 to 7.181 MHz

7.178 to 7.184 MHz

7.1765 to 7.1795 MHz

G4E03: Which of the following direct, fused power connections would be the best for a 100-watt HF mobile installation?

To the alternator or generator using heavy gauge wire

To the battery using resistor wire

To the alternator or generator using resistor wire

G5A11: Which of the following describes one method of impedance matching between two AC circuits?

Reduce the power output of the first circuit

Increase the power output of the first circuit

Insert a circulator between the two circuits

G5B13: What is the output PEP of an unmodulated carrier if an average reading wattmeter connected to the transmitter output indicates 1060 watts?

530 watts

1500 watts

2120 watts

G5C11: What is the inductance of a 20 millihenry inductor in series with a 50 millihenry inductor?

.07 millihenrys

14.3 millihenrys

1000 millihenrys

G6A11: Why would it be important to minimize the mutual inductance between two inductors?

To increase the energy transfer between circuits

To reduce conducted emissions

To increase the self-resonant frequency of the inductors

G6B01: What is the peak-inverse-voltage rating of a rectifier?

The maximum voltage the rectifier will handle in the conducting direction

1.4 times the AC frequency

2.8 times the AC frequency

G6C02: What is meant by the term MMIC?

Multi Megabyte Integrated Circuit

Military-specification Manufactured Integrated Circuit

Mode Modulated Integrated Circuit

G7A08: Which of the following is an advantage of a switch-mode power supply as compared to a linear power supply?

Faster switching time makes higher output voltage possible

Fewer circuit components are required

All of these choices are correct

G7B07: What are the basic components of virtually all sine wave oscillators?

An amplifier and a divider

A frequency multiplier and a mixer

A circulator and a filter operating in a feed-forward loop

G7C08: What type of circuit is used in many FM receivers to convert signals coming from the IF amplifier to audio?

Product detector

Phase inverter

Mixer

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

G8B05: Why isn't frequency modulated (FM) phone used below 29.5 MHz?

The transmitter efficiency for this mode is low

Harmonics could not be attenuated to practical levels

The frequency stability would not be adequate

G9A02: What are the typical characteristic impedances of coaxial cables used for antenna feed lines at amateur stations?

25 and 30 ohms

80 and 100 ohms

500 and 750 ohms

G9B05: How does antenna height affect the horizontal (azimuthal) radiation pattern of a horizontal dipole HF antenna?

If the antenna is too high, the pattern becomes unpredictable

Antenna height has no effect on the pattern

If the antenna is less than 1/2 wavelength high, radiation off the ends of the wire is eliminated

G9C20: How does the gain of two 3-element horizontally polarized Yagi antennas spaced vertically 1/2 wavelength apart typically compare to the gain of a single 3-element Yagi?

Approximately 1.5 dB higher

Approximately 6 dB higher

Approximately 9 dB higher

G9D06: Which of the following is an advantage of a log periodic antenna?

Higher gain per element than a Yagi antenna

Harmonic suppression

Polarization diversity