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: 35.844806
Longitude: -94.029361

Site Elevation:
660.47 meters

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

Height Above Average Terrain:
320 meters, based on 8 radials.
(rounded from 319.85 m)

HAAT Along Each Radial:

Azimuth HAAT
0374.54
45336.01
90332.24
135211.8
180331.11
225344.63
270332.99
315295.5