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: 33.683917
Longitude: -114.233556

Site Elevation:
261.48 meters

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

Height Above Average Terrain:
-43 meters, based on 8 radials.
(rounded from -43.02 m)

HAAT Along Each Radial:

Azimuth HAAT
038.1
45-24.62
90-92.07
135-74.25
180-25.16
225-147.22
270-82.05
31563.1