SWR — Standing Wave Ratio.
A measure of how well your antenna system matches your radio. A high SWR means power is bouncing back instead of radiating, and modern radios cut power to protect themselves when they see it.
Look this up in Pocket Elmer, along with 100 more
Related words
- APRS — Automatic Packet Reporting System.
- Sporadic E — Sudden short-lived openings.
- Watts — Transmit power.
- CTCSS / PL tone — A sub-audible tone that opens a repeater.
- FM — Frequency Modulation. VHF and UHF voice.
- Offset — The gap between transmit and receive frequency.
- Solar flux — A number that tracks solar activity.
- Propagation — How your signal travels.