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: 34.960639
Longitude: -78.769333

Site Elevation:
36.7 meters

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

Height Above Average Terrain:
22 meters, based on 8 radials.
(rounded from 22.25 m)

HAAT Along Each Radial:

Azimuth HAAT
015.96
4518.33
9020.43
13521.3
18029.63
22519.95
27024.53
31527.86