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: 43.461583
Longitude: -110.754083

Site Elevation:
2421.05 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2485 meters

Height Above Average Terrain:
321 meters, based on 8 radials.
(rounded from 321.36 m)

HAAT Along Each Radial:

Azimuth HAAT
0525.1
45387.37
90-224.65
135141.98
180460.57
225494.39
270397.38
315388.7