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: 34.832861
Longitude: -82.803194

Site Elevation:
480.11 meters

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

Height Above Average Terrain:
204 meters, based on 8 radials.
(rounded from 204.09 m)

HAAT Along Each Radial:

Azimuth HAAT
0133.56
45175.6
90194.44
135216.28
180228.18
225242.32
270223.81
315218.54