47 C.F.R. § 80.763 Effective antenna height.
Title 47 - Telecommunication
The effective height of the antenna is the vertical distance between the center of the radiating system above the mean sea level and the average terrain elevation.
Title 47: Telecommunication
PART 80—STATIONS IN THE MARITIME SERVICES
Subpart P—Standards for Computing Public Coast Station VHF Coverage
§ 80.763 Effective antenna height.

