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E3A06:What should be done to continue a long-distance contact when the MUF for that path decreases due to darkness?

E3A06E3A

What should be done to continue a long-distance contact when the MUF for that path decreases due to darkness?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E3A06 is Switch to a lower frequency HF band.

The key fact is Switch to a lower frequency HF band. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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More questions in E3A

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