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
- Propagation — How your signal travels.
- K index — How disturbed the earth's magnetic field is.
- CW — Continuous Wave. Morse code.
- APRS — Automatic Packet Reporting System.
- Ionosphere — The layer that bounces HF signals back to earth.
- Sporadic E — Sudden short-lived openings.
- Watts — Transmit power.
- Frequency — How fast a radio wave oscillates.