CFR›Title 47›Chapter I›Part 87›Subpart C ContainsSubject groups Operating Procedures–Radio Operator RequirementsCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart C—Operating Requirements and Procedures Subject Groups Operating Procedures Operating Procedures Sections 87.103–87.111 Operating Requirements Operating Requirements Sections 87.69–87.77 Radio Operator Requirements Radio Operator Requirements Sections 87.87–87.91 Previous B Subpart B—Applications and Licenses Next D Subpart D—Technical Requirements