A density/historic spectrum view at city hall shows a strong interferer only after 10 p.m., missed during a 30-second daytime FFT glance. What lesson should guide the expert?
Select an answer to reveal the explanation.
Short Explanation
Night-only interferers laugh at a thirty-second daytime peek — you need the long-exposure photo, not a Polaroid. Density and historic views catch what a quick FFT misses. Ping tests won't draw the RF fingerprint.
Full Explanation
Intermittent interferers require observation over relevant time windows. Density and historic/spectrogram views accumulate energy presence that a brief real-time FFT sample can miss. Expert methodology matches view selection and dwell time to the complaint pattern rather than relying on one-shot snapshots or wired ping tests.