HAAT Calculator & Elevation Finder

Calculate elevation and height above average terrain (HAAT) using the FCC's API.

NAD83 Latitude:
- ' " *

NAD83 Longitude:
- ' " *

Radiation Center Height:
meters   *

- Above Mean Sea Level (RCAMSL)
- Above Ground Level (RCAGL)

Number of Radials:

Terrain Database:

Legacy FCC30 terrain is not available through the FCC API. Use the FCC HAAT Calculator instead.

Station Class for ERP Check: (optional)

Decimal Coordinates:
Latitude: 30.509361
Longitude: -84.257389

Site Elevation:
64.5 meters

Radiation Center Above Mean Sea Level (RCAMSL):
111 meters

Height Above Average Terrain:
71.91 meters, based on 8 radials.

HAAT Along Each Radial:

Azimuth HAAT
063.83
4564.87
9075
13576.97
18072.64
22576.58
27077.82
31567.61