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: 36.062889
Longitude: -95.919333

Site Elevation:
255.41 meters

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

Height Above Average Terrain:
79 meters, based on 8 radials.
(rounded from 79.12 m)

HAAT Along Each Radial:

Azimuth HAAT
071.01
4573.7
9070.47
13588.57
18082.57
22583.14
27070.69
31592.84