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: 30.836833
Longitude: -83.982389

Site Elevation:
78.99 meters

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

Height Above Average Terrain:
46 meters, based on 8 radials.
(rounded from 46.45 m)

HAAT Along Each Radial:

Azimuth HAAT
048.7
4531.04
9050.21
13552.66
18050.24
22531.78
27056.44
31550.5