FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E9H04

From subelement E9 - E9H

E9H04
Answer: B

What is the purpose of placing an electrostatic shield around a small-loop direction-finding antenna?

AIt adds capacitive loading, increasing the bandwidth of the antenna
BIt eliminates unbalanced capacitive coupling to the antenna’s surroundings, improving the depth of its nulls
CIt eliminates tracking errors caused by strong out-of-band signals
DIt increases signal strength by providing a better match to the feed line