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: 33.548194
Longitude: -83.070694

Site Elevation:
214.27 meters

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

Height Above Average Terrain:
96 meters, based on 8 radials.
(rounded from 96.23 m)

HAAT Along Each Radial:

Azimuth HAAT
081.77
4596.45
9095.77
13583.12
180110.69
225110.61
270104.36
31587.09