BasicB-002-003-010

Which sideband is commonly used on 3755 kHz for voice operation?

A
Answer
Licensing, station identification, and operation
Type
A
Lower
B
Double
C
Upper
D
Independent

Answer Notes

3755 kHz is located in the 80-meter amateur band. By long-standing convention, amateur radio operators use Lower Sideband (LSB) for voice communications on frequencies below 10 MHz, which includes the 160m, 80m, and 40m bands. Conversely, Upper Sideband (USB) is standard for frequencies above 10 MHz, such as the 20m, 15m, and 10m bands. Remembering the "below 10 MHz is LSB" rule makes navigating HF voice bands straightforward. Distractors like "Double" or "Independent" sideband are not standard modes for everyday amateur HF voice communication.
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