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: 34.676111
Longitude: -92.318889

Site Elevation:
93.17 meters

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

Height Above Average Terrain:
74 meters, based on 8 radials.
(rounded from 74.1 m)

HAAT Along Each Radial:

Azimuth HAAT
071.06
4593.96
9089.1
13590.2
18072.03
22569
27069.53
31537.95