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