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: 32.227306
Longitude: -110.973556

Site Elevation:
720.85 meters

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

Height Above Average Terrain:
-47 meters, based on 8 radials.
(rounded from -47.04 m)

HAAT Along Each Radial:

Azimuth HAAT
0-16.88
45-71.05
90-45.84
135-64.4
180-29.97
225-57.13
270-123.63
31532.58