FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E3A11

From subelement E3 - E3A

E3A11
Answer: B

What is a typical range for tropospheric duct propagation of microwave signals?

A10 miles to 50 miles
B100 miles to 300 miles
C1,200 miles
D2,500 miles