SDR — Software Defined Radio.
A radio where the signal processing happens in software rather than in fixed circuits. It is why a modern radio can show you a picture of the whole band at once.
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Related words
- PTT — Push To Talk.
- Dipole — Two legs of wire.
- Rubber duck — The stock antenna on a handheld.
- VOX — Voice Operated eXchange.
- Feedline — The cable from radio to antenna.
- Antenna — The thing that actually radiates your signal.
- Yagi — A directional beam antenna.
- Tuner — Matches your antenna to your radio.