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: 41.503389
Longitude: -81.674861

Site Elevation:
198.27 meters

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

Height Above Average Terrain:
100.41 meters, based on 8 radials.

HAAT Along Each Radial:

Azimuth HAAT
0140.29
45130.08
9038.45
13555.22
18070.88
22587.5
270140.59
315140.27