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: 33.120306
Longitude: -115.512778

Site Elevation:
-53.87 meters

Radiation Center Above Mean Sea Level (RCAMSL):
-16 meters

Height Above Average Terrain:
28 meters, based on 8 radials.
(rounded from 27.95 m)

HAAT Along Each Radial:

Azimuth HAAT
031.71
45-2.78
908.77
13522.76
18029.7
22535.63
27047.5
31550.28