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E1C09:What is the highest modulation index permitted at the highest modulation frequency for angle modulation below 29.0 MHz?

E1C09E1CFCC 97.307

What is the highest modulation index permitted at the highest modulation frequency for angle modulation below 29.0 MHz?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E1C09 is 1.0.

The key fact is 1.0. 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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