U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 47Chapter IPart 74Subpart F - Subpart F—Television Broadcast Auxiliary Stations
View all text of Subpart F [§ 74.600 - § 74.690]
§ 74.663 - Modulation limits.

If amplitude modulation is employed, negative modulation peaks shall not exceed 100%.

[45 FR 78694, Nov. 26, 1980]
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