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: 33.421139
Longitude: -82.070639

Site Elevation:
117.21 meters

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

Height Above Average Terrain:
69 meters, based on 8 radials.
(rounded from 69.04 m)

HAAT Along Each Radial:

Azimuth HAAT
068.32
4577.82
90117.15
135100.53
18065.69
22549.85
27032.56
31540.43