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: 30.233250
Longitude: -85.586028

Site Elevation:
13.15 meters

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

Height Above Average Terrain:
39 meters, based on 8 radials.
(rounded from 39.37 m)

HAAT Along Each Radial:

Azimuth HAAT
042.25
4534.98
9031.37
13535.96
18041.15
22541.65
27046.09
31541.47