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: 44.707111
Longitude: -67.455861

Site Elevation:
41.84 meters

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

Height Above Average Terrain:
26 meters, based on 8 radials.
(rounded from 25.91 m)

HAAT Along Each Radial:

Azimuth HAAT
05.85
4525.39
9034.88
13541.72
18038.19
22532.1
27024.75
3154.43