Propagation — How your signal travels.
The whole reason band conditions matter. Signals bounce off the ionosphere, and how well they bounce depends on the sun.
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Related words
- Simplex vs duplex — One frequency versus two.
- Ionosphere — The layer that bounces HF signals back to earth.
- RTTY — Radio Teletype.
- SSTV — Slow-Scan Television.
- Offset — The gap between transmit and receive frequency.
- Sporadic E — Sudden short-lived openings.
- Band — A range of frequencies set aside for a purpose.
- K index — How disturbed the earth's magnetic field is.