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: 34.603111
Longitude: -98.434750

Site Elevation:
350.48 meters

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

Height Above Average Terrain:
29 meters, based on 8 radials.
(rounded from 28.89 m)

HAAT Along Each Radial:

Azimuth HAAT
020.13
4528.19
9038.21
13558.35
18054.01
22536.29
27015.14
315-19.19