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: 29.686333
Longitude: -82.377583

Site Elevation:
45.17 meters

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

Height Above Average Terrain:
29 meters, based on 8 radials.
(rounded from 29.08 m)

HAAT Along Each Radial:

Azimuth HAAT
015.39
4514.4
9027.89
13531.72
18044.46
22541.04
27028.81
31528.95