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General Class Exam Question Pool

effective 7/01/2015 thru 6/30/2019

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2015-G2A: Phone operating procedures; USB/LSB conventions; procedural signals; breaking into a contact; VOX operation

2015-G2A01: Which sideband is most commonly used for voice communications on frequencies of 14 MHz or higher?

Upper sideband

Lower sideband

Vestigial sideband

Double sideband



2015-G2A02: Which of the following modes is most commonly used for voice communications on the 160-meter, 75-meter, and 40-meter bands?

Lower sideband

Upper sideband

Vestigial sideband

Double sideband



2015-G2A03: Which of the following is most commonly used for SSB voice communications in the VHF and UHF bands?

Upper sideband

Lower sideband

Vestigial sideband

Double sideband



2015-G2A04: Which mode is most commonly used for voice communications on the 17-meter and 12-meter bands?

Upper sideband

Lower sideband

Vestigial sideband

Double sideband



2015-G2A05: Which mode of voice communication is most commonly used on the HF amateur bands?

Single sideband

Frequency modulation

Double sideband

Phase modulation



2015-G2A06: Which of the following is an advantage when using single sideband as compared to other analog voice modes on the HF amateur bands?

Less bandwidth used and greater power efficiency

Very high fidelity voice modulation

Ease of tuning on receive and immunity to impulse noise

Less subject to interference from atmospheric static crashes



2015-G2A07: Which of the following statements is true of the single sideband voice mode?

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

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

SSB is the only voice mode that is authorized on the 20-meter, 15-meter, and 10-meter amateur bands

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



2015-G2A08: Which of the following is a recommended way to break into a contact when using phone?

Say your call sign during a break between transmissions by the other stations

Say "QRZ" several times followed by your call sign

Say "Break Break Break" and wait for a response

Say "CQ" followed by the call sign of either station



2015-G2A09: Why do most amateur stations use lower sideband on the 160-meter, 75-meter and 40-meter bands?

Current amateur practice is to use lower sideband on these frequency bands

Lower sideband is more efficient than upper sideband at these frequencies

Lower sideband is the only sideband legal on these frequency bands

Because it is fully compatible with an AM detector



2015-G2A10: Which of the following statements is true of voice VOX operation versus PTT operation?

It allows "hands free" operation

The received signal is more natural sounding

It occupies less bandwidth

It provides more power output



2015-G2A11: What does the expression "CQ DX" usually indicate?

The caller is looking for any station outside their own country

A general call for any station

The caller is listening for a station in Germany

A distress call





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2015-G2B: Operating courtesy; band plans; emergencies, including drills and emergency communications
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