phantom signals

phantom signals

[′fan·təm ′sig·nəlz]
(electronics)
Signals appearing on the screen of a cathode-ray-tube indicator, the cause of which cannot readily be determined and which may be caused by circuit fault, interference, propagation anomalies, jamming, and so on.
References in periodicals archive ?
Joselyn said energy bursts from the sun can cause an electrical charge to build up on the surface of satellites, triggering phantom signals.