CFR > Title 47 > Chapter I > Subchapter D > Part 80 > Subpart M CFR > Title 47 > Chapter I > Subchapter D > Part 80 > Subpart M – Stations in the Radiodetermination Service Current as of: 2024 | Check for updates | Other versions § 80.601 Scope of communications § 80.603 Assignment and use of frequencies § 80.605 U.S. Coast Guard coordination