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: 34.610250
Longitude: -117.288361

Site Elevation:
1352.4 meters

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

Height Above Average Terrain:
-914 meters, based on 8 radials.
(rounded from -914.01 m)

HAAT Along Each Radial:

Azimuth HAAT
0-942.4
45-1057.81
90-965.37
135-911.15
180-865.33
225-892.84
270-849.69
315-827.5