SSB — Single Sideband. HF voice.
The standard voice mode on HF. Upper sideband above 10 MHz, lower sideband below, by long-standing convention.
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Related words
- Band — A range of frequencies set aside for a purpose.
- Sporadic E — Sudden short-lived openings.
- Frequency — How fast a radio wave oscillates.
- RTTY — Radio Teletype.
- CTCSS / PL tone — A sub-audible tone that opens a repeater.
- SSTV — Slow-Scan Television.
- Ionosphere — The layer that bounces HF signals back to earth.
- Wavelength — The physical length of one radio wave.