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E2E05:Which of these digital modes does not support keyboard-to-keyboard operation?

E2E05E2E

Which of these digital modes does not support keyboard-to-keyboard operation?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E2E05 is WSPR.

The key fact is WSPR. 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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