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The area of reduced signal strength in a non directional beacon is called as ______(a) Cone of silence(b) Zero reception zone(c) Zone of silence(d) Non radio zone |
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Answer» Right option is (a) Cone of silence Explanation: The NDB works on an omnidirectional antenna which has the radio pattern of a donut. The zone on the middle which is directly above the antenna is called as the cone of silence. In this region, no signal is transmitted. |
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