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: 43.683639
Longitude: -85.582278

Site Elevation:
403.4 meters

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

Height Above Average Terrain:
120 meters, based on 8 radials.
(rounded from 120.36 m)

HAAT Along Each Radial:

Azimuth HAAT
087.71
45127.19
90127.48
135133.1
180126.1
225123.66
270129.01
315108.64