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G3C05

Why is long distance communication on the 40-meter, 60-meter, 80-meter and 160-meter bands more difficult during the day?

Select	Answer
A	The E layer is unstable during daylight hours
B	The F layer absorbs signals at these frequencies during daylight hours
C	The F layer is unstable during daylight hours
D	The D layer absorbs signals at these frequencies during daylight hours

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