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G8C13:What is indicated on a waterfall display by one or more vertical lines on either side of a data mode or RTTY signal?

G8C13G8C

What is indicated on a waterfall display by one or more vertical lines on either side of a data mode or RTTY signal?

Direct answer summary (2023-2027 NCVEC pool)

The official correct answer for G8C13 is Overmodulation.

The key fact is Overmodulation. 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 G8C

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