Question
Which mode is most commonly used for SSB voice communications in the VHF and UHF bands?
Answer Options
- A) Upper sideband
- B) Lower sideband
- C) Suppressed sideband
- D) Double sideband
Correct Answer: A
Explanation
The convention for single sideband (SSB) operation extends to the VHF and UHF bands as well. Following the rule for all frequencies above 10 \text{MHz} (which includes 6\text{-meters} and all higher bands), Upper Sideband (USB) is the universally accepted mode for voice communications.
This consistency is important, as SSB is often used on VHF/UHF for weak-signal work, such as meteor scatter or long-distance contacts, where signal clarity is paramount. Adhering to the USB convention simplifies operation and allows different transceivers to communicate seamlessly with minimal risk of selecting the wrong sideband.
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