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
- Watts — Transmit power.
- Solar flux — A number that tracks solar activity.
- Sporadic E — Sudden short-lived openings.
- FM — Frequency Modulation. VHF and UHF voice.
- CW — Continuous Wave. Morse code.
- Offset — The gap between transmit and receive frequency.
- Ionosphere — The layer that bounces HF signals back to earth.
- APRS — Automatic Packet Reporting System.