U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 47Chapter IPart 90Subpart H - Subpart H—Policies Governing the Assignment of Frequencies
§ 90.171 - Scope.
§ 90.173 - Policies governing the assignment of frequencies.
§ 90.175 - Frequency coordinator requirements.
§ 90.176 - Coordinator notification requirements on frequencies below 512 MHz, at 769-775/799-805 MHz, or at 1427-1432 MHz.
§ 90.179 - Shared use of radio stations.
§ 90.185 - Multiple licensing of radio transmitting equipment in the mobile radio service.
§ 90.187 - Trunking in the bands between 150 and 512 MHz.
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