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: 31.418722
Longitude: -103.516556

Site Elevation:
791.99 meters

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

Height Above Average Terrain:
18 meters, based on 8 radials.
(rounded from 18.08 m)

HAAT Along Each Radial:

Azimuth HAAT
024.58
4530.97
9034.5
13531.4
18018.04
2252.4
270-6.63
3159.39