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: 34.110917
Longitude: -93.050444

Site Elevation:
56.32 meters

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

Height Above Average Terrain:
13 meters, based on 8 radials.
(rounded from 12.7 m)

HAAT Along Each Radial:

Azimuth HAAT
02.54
4524.71
9018.7
13532.01
18028.21
22513.59
270-6.42
315-11.74