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SESK: Stuff Everyone Should Know · sesk.info/ham-radio-direction-finding

Which method helps locate a source of radio noise or jamming?

Radio direction finding points toward the source.

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  1. Radio direction finding ✔
  2. Doppler radar
  3. Phase locking

Why: Direction-finding equipment compares signals from different directions. That information helps an operator track down the source of unwanted radio noise.

Huh, didn't know that: A directional antenna can make the strongest-signal direction easier to identify.

The dad joke
Why did the radio detective turn around? The signal pointed that way.
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References

Answer: Radio direction finding. Direction-finding equipment compares signals from different directions. That information helps an operator track down the source of unwanted radio noise.

  1. NCVEC 2026-2030 Technician Question Pool www.ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf
    C. Radio direction finding
    Checked 2026-10-09.

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