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: 39.084722
Longitude: -94.479944

Site Elevation:
257.77 meters

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

Height Above Average Terrain:
131.48 meters, based on 8 radials.

HAAT Along Each Radial:

Azimuth HAAT
0149.03
45143.56
90129.59
135114.86
18099.2
225127.38
270141.22
315147.01