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: 33.949833
Longitude: -83.382639

Site Elevation:
223.95 meters

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

Height Above Average Terrain:
60 meters, based on 8 radials.
(rounded from 59.53 m)

HAAT Along Each Radial:

Azimuth HAAT
067.02
4554.84
9052.39
13572.98
18072.63
22562.75
27053.63
31540.02