SDR — What It Means in Ham Radio

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

  • Rubber duck — The stock antenna on a handheld.
  • VOX — Voice Operated eXchange.
  • Yagi — A directional beam antenna.
  • Transceiver — A transmitter and receiver in one box.
  • HT — Handy Talkie. A handheld radio.
  • Tuner — Matches your antenna to your radio.
  • Vertical — An antenna that stands straight up.
  • Feedline — The cable from radio to antenna.