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: 43.085611
Longitude: -77.667778

Site Elevation:
164.23 meters

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

Height Above Average Terrain:
40 meters, based on 8 radials.
(rounded from 40.41 m)

HAAT Along Each Radial:

Azimuth HAAT
057.36
4559.81
9055.76
13517.53
18015.89
22536.11
27045.15
31535.65