3.3 KiB
3.3 KiB
G2A – Phone operating procedures: USB/LSB conventions, breaking into a contact, transmitter setup for voice operation; answering DX stations
- G2A01 (A)
Which mode is most commonly used for voice communications on frequencies of 14 MHz or higher?
- A. Upper sideband
- B. Lower sideband
- C. Suppressed sideband
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D. Double sideband
- G2A02 (B)
Which mode is most commonly used for voice communications on the 160-, 75-, and 40-meter bands?
- A. Upper sideband
- B. Lower sideband
- C. Suppressed sideband
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D. Double sideband
- G2A03 (A)
Which mode is most commonly used for SSB voice communications in the VHF and UHF bands?
- A. Upper sideband
- B. Lower sideband
- C. Suppressed sideband
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D. Double sideband
- G2A04 (A)
Which mode is most commonly used for voice communications on the 17- and 12-meter bands?
- A. Upper sideband
- B. Lower sideband
- C. Suppressed sideband
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D. Double sideband
- G2A05 (C)
Which mode of voice communication is most commonly used on the HF amateur bands?
- A. Frequency modulation
- B. Double sideband
- C. Single sideband
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D. Single phase modulation
- G2A06 (D)
Which of the following is an advantage of using single sideband, as compared to other analog voice modes on the HF amateur bands?
- A. Very high-fidelity voice modulation
- B. Less subject to interference from atmospheric static crashes
- C. Ease of tuning on receive and immunity to impulse noise
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D. Less bandwidth used and greater power efficiency
- G2A07 (B)
Which of the following statements is true of single sideband (SSB)?
- A. Only one sideband and the carrier are transmitted; the other sideband is suppressed
- B. Only one sideband is transmitted; the other sideband and carrier are suppressed
- C. SSB is the only voice mode authorized on the 20-, 15-, and 10-meter amateur bands
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D. SSB is the only voice mode authorized on the 160-, 75-, and 40-meter amateur bands
- G2A08 (B)
What is the recommended way to break into a phone contact?
- A. Say “QRZ” several times, followed by your call sign
- B. Say your call sign once
- C. Say “Breaker Breaker”
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D. Say “CQ” followed by the call sign of either station
- G2A09 (D)
Why do most amateur stations use lower sideband on the 160-, 75-, and 40-meter bands?
- A. Lower sideband is more efficient than upper sideband at these frequencies
- B. Lower sideband is the only sideband legal on these frequency bands
- C. Because it is fully compatible with an AM detector
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D. It is commonly accepted amateur practice
- G2A10 (B)
Which of the following statements is true of VOX operation versus PTT operation?
- A. The received signal is more natural sounding
- B. It allows “hands free” operation
- C. It occupies less bandwidth
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D. It provides more power output
- G2A11 (C)
Generally, who should respond to a station in the contiguous 48 states calling “CQ DX”?
- A. Any caller is welcome to respond
- B. Only stations in Germany
- C. Any stations outside the lower 48 states
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D. Only contest stations
- G2A12 (B)
What control is typically adjusted for proper ALC setting on a single sideband transceiver?
- A. RF clipping level
- B. Transmit audio or microphone gain
- C. Antenna inductance or capacitance
- D. Attenuator level