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: 38.997722
Longitude: -85.646667

Site Elevation:
221.66 meters

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

Height Above Average Terrain:
59 meters, based on 8 radials.
(rounded from 59.07 m)

HAAT Along Each Radial:

Azimuth HAAT
049.82
4538.48
9036.03
13545.27
18063.37
22590.98
27081.41
31567.21