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: 42.090056
Longitude: -75.967694

Site Elevation:
283.74 meters

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

Height Above Average Terrain:
-19 meters, based on 8 radials.
(rounded from -18.68 m)

HAAT Along Each Radial:

Azimuth HAAT
0-41.5
4564.39
9020.2
135-82.03
180-132.8
225-62.25
27063.91
31520.63