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: 30.183611
Longitude: -85.776000

Site Elevation:
4.81 meters

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

Height Above Average Terrain:
103 meters, based on 8 radials.
(rounded from 103.29 m)

HAAT Along Each Radial:

Azimuth HAAT
0103.72
45104.21
9097.69
135103.9
180104.8
225104.8
270104.43
315102.76