Study E2C12 - Hamboozler

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E2C12

In North America during low sunspot activity, signals from Europe become weak and fluttery across an entire HF band two to three hours after sunset, what might help to contact other European DX stations?

Select	Answer
A	Switch to a lower frequency HF band because the MUF has decreased
B	Wait 90 minutes or so for the signal degradation to pass
C	Switch to a higher frequency HF band, because the MUF has increased
D	Wait 24 hours before attempting another communication on the band