US lawFederal (United States)RegulationsTitle 47 CFR — TelecommunicationChapter IPart 87Subpart P87.44547 C.F.R. § 87.445Scope of service.Last amended: 2016Year: 2026Length: 15 wordsOfficial source Cite as 47 C.F.R. § 87.445 (2026)An operational fixed station provides control, repeater or relay functions for its associated aeronautical station.Next47 C.F.R. § 87.447