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: 35.851417
Longitude: -86.393944

Site Elevation:
183.67 meters

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

Height Above Average Terrain:
22 meters, based on 8 radials.
(rounded from 21.52 m)

HAAT Along Each Radial:

Azimuth HAAT
042.87
4532.83
9012.53
1351.46
1808.97
2258.85
27021.53
31543.14