47 C.F.R. § 80.967 Antenna system.
Title 47 - Telecommunication
The antenna must be omnidirectional, vertically polarized and located as high as practicable on the masts or superstructure of the vessel.
Title 47: Telecommunication
PART 80—STATIONS IN THE MARITIME SERVICES
Subpart T—Radiotelephone Installation Required for Vessels on the Great Lakes
§ 80.967 Antenna system.

