Technician exam question T8C01
Subelement T8, SIGNALS AND EMISSIONS· Group T8C
Which of the following methods is used to locate sources of noise interference or jamming?
- A.Echolocation
- B.Doppler radar
- C.Radio direction finding (correct answer)
- D.Phase locking
WhyRadio direction finding is the method used to locate sources of noise interference or jamming. Radio direction finding uses directional antennas and signal-strength readings from multiple locations or bearings to triangulate where a noise source or jamming signal is physically located, answer C. Echolocation (A) and Doppler radar (B) are unrelated sensing techniques from other fields, and phase locking (D) is an oscillator synchronization technique, not a location method.
Published 2026-08-28 · Last updated 2026-08-28 · Question text is verbatim from the 2026-2030 NCVEC Element 2 pool (public domain); the explanation above is original writing, see our methodology.
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