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: 42.825833
Longitude: -76.923333

Site Elevation:
186.37 meters

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

Height Above Average Terrain:
30 meters, based on 8 radials.
(rounded from 29.67 m)

HAAT Along Each Radial:

Azimuth HAAT
056.47
4556.52
9036.33
1351.83
18068.36
225-3.26
270-20.39
31541.5