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: 40.531972
Longitude: -83.547306

Site Elevation:
317.38 meters

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

Height Above Average Terrain:
87 meters, based on 8 radials.
(rounded from 87.38 m)

HAAT Along Each Radial:

Azimuth HAAT
0104.22
45107.96
90102.78
13590.85
18075.77
22550.12
27076.62
31590.73