FT8 — A weak-signal digital mode.
Your computer sends and decodes short structured messages. It works when signals are far too weak for voice, and it now accounts for a huge share of all HF activity.
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Related words
- APRS — Automatic Packet Reporting System.
- SSTV — Slow-Scan Television.
- Gray line — The band of twilight moving around the earth.
- RTTY — Radio Teletype.
- CW — Continuous Wave. Morse code.
- Frequency — How fast a radio wave oscillates.
- Sporadic E — Sudden short-lived openings.
- FM — Frequency Modulation. VHF and UHF voice.